init commit

output/Libraries/AForge.Imaging/AForge/Imaging/Blob.cs

@@ -0,0 +1,143 @@
+using System.ComponentModel;
+using System.Drawing;
+
+namespace AForge.Imaging;
+
+public class Blob
+{
+	private UnmanagedImage image;
+
+	private bool originalSize;
+
+	private Rectangle rect;
+
+	private int id;
+
+	private int area;
+
+	private Point cog;
+
+	private double fullness;
+
+	private Color colorMean = Color.Black;
+
+	private Color colorStdDev = Color.Black;
+
+	[Browsable(false)]
+	public UnmanagedImage Image
+	{
+		get
+		{
+			return image;
+		}
+		internal set
+		{
+			image = value;
+		}
+	}
+
+	[Browsable(false)]
+	public bool OriginalSize
+	{
+		get
+		{
+			return originalSize;
+		}
+		internal set
+		{
+			originalSize = value;
+		}
+	}
+
+	public Rectangle Rectangle => rect;
+
+	[Browsable(false)]
+	public int ID
+	{
+		get
+		{
+			return id;
+		}
+		internal set
+		{
+			id = value;
+		}
+	}
+
+	public int Area
+	{
+		get
+		{
+			return area;
+		}
+		internal set
+		{
+			area = value;
+		}
+	}
+
+	public double Fullness
+	{
+		get
+		{
+			return fullness;
+		}
+		internal set
+		{
+			fullness = value;
+		}
+	}
+
+	public Point CenterOfGravity
+	{
+		get
+		{
+			return cog;
+		}
+		internal set
+		{
+			cog = value;
+		}
+	}
+
+	public Color ColorMean
+	{
+		get
+		{
+			return colorMean;
+		}
+		internal set
+		{
+			colorMean = value;
+		}
+	}
+
+	public Color ColorStdDev
+	{
+		get
+		{
+			return colorStdDev;
+		}
+		internal set
+		{
+			colorStdDev = value;
+		}
+	}
+
+	public Blob(int id, Rectangle rect)
+	{
+		this.id = id;
+		this.rect = rect;
+	}
+
+	public Blob(Blob source)
+	{
+		id = source.id;
+		rect = source.rect;
+		cog = source.cog;
+		area = source.area;
+		fullness = source.fullness;
+		colorMean = source.colorMean;
+		colorStdDev = source.colorStdDev;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/BlobCounter.cs

@@ -0,0 +1,379 @@
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging;
+
+public class BlobCounter : BlobCounterBase
+{
+	private byte backgroundThresholdR;
+
+	private byte backgroundThresholdG;
+
+	private byte backgroundThresholdB;
+
+	public Color BackgroundThreshold
+	{
+		get
+		{
+			return Color.FromArgb(backgroundThresholdR, backgroundThresholdG, backgroundThresholdB);
+		}
+		set
+		{
+			backgroundThresholdR = value.R;
+			backgroundThresholdG = value.G;
+			backgroundThresholdB = value.B;
+		}
+	}
+
+	public BlobCounter()
+	{
+	}
+
+	public BlobCounter(Bitmap image)
+		: base(image)
+	{
+	}
+
+	public BlobCounter(BitmapData imageData)
+		: base(imageData)
+	{
+	}
+
+	public BlobCounter(UnmanagedImage image)
+		: base(image)
+	{
+	}
+
+	protected unsafe override void BuildObjectsMap(UnmanagedImage image)
+	{
+		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0012: Invalid comparison between Unknown and I4
+		//IL_0015: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001f: Invalid comparison between Unknown and I4
+		//IL_0022: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002c: Invalid comparison between Unknown and I4
+		//IL_002f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0039: Invalid comparison between Unknown and I4
+		//IL_00d6: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00e0: Invalid comparison between Unknown and I4
+		//IL_003c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0046: Invalid comparison between Unknown and I4
+		//IL_046c: Unknown result type (might be due to invalid IL or missing references)
+		int stride = image.Stride;
+		if ((int)image.PixelFormat != 198659 && (int)image.PixelFormat != 137224 && (int)image.PixelFormat != 139273 && (int)image.PixelFormat != 2498570 && (int)image.PixelFormat != 925707)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
+		}
+		if (imageWidth == 1)
+		{
+			throw new InvalidImagePropertiesException("BlobCounter cannot process images that are one pixel wide. Rotate the image or use RecursiveBlobCounter.");
+		}
+		int num = imageWidth - 1;
+		objectLabels = new int[imageWidth * imageHeight];
+		int num2 = 0;
+		int num3 = (imageWidth / 2 + 1) * (imageHeight / 2 + 1) + 1;
+		int[] array = new int[num3];
+		for (int i = 0; i < num3; i++)
+		{
+			array[i] = i;
+		}
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		int num4 = 0;
+		if ((int)image.PixelFormat == 198659)
+		{
+			int num5 = stride - imageWidth;
+			if (*ptr > backgroundThresholdG)
+			{
+				num2 = (objectLabels[num4] = num2 + 1);
+			}
+			ptr++;
+			num4++;
+			int num6 = 1;
+			while (num6 < imageWidth)
+			{
+				if (*ptr > backgroundThresholdG)
+				{
+					if (ptr[-1] > backgroundThresholdG)
+					{
+						objectLabels[num4] = objectLabels[num4 - 1];
+					}
+					else
+					{
+						num2 = (objectLabels[num4] = num2 + 1);
+					}
+				}
+				num6++;
+				ptr++;
+				num4++;
+			}
+			ptr += num5;
+			for (int j = 1; j < imageHeight; j++)
+			{
+				if (*ptr > backgroundThresholdG)
+				{
+					if (ptr[-stride] > backgroundThresholdG)
+					{
+						objectLabels[num4] = objectLabels[num4 - imageWidth];
+					}
+					else if (ptr[1 - stride] <= backgroundThresholdG)
+					{
+						num2 = (objectLabels[num4] = num2 + 1);
+					}
+					else
+					{
+						objectLabels[num4] = objectLabels[num4 + 1 - imageWidth];
+					}
+				}
+				ptr++;
+				num4++;
+				int num7 = 1;
+				while (num7 < num)
+				{
+					if (*ptr > backgroundThresholdG)
+					{
+						if (ptr[-1] > backgroundThresholdG)
+						{
+							objectLabels[num4] = objectLabels[num4 - 1];
+						}
+						else if (ptr[-1 - stride] > backgroundThresholdG)
+						{
+							objectLabels[num4] = objectLabels[num4 - 1 - imageWidth];
+						}
+						else if (ptr[-stride] > backgroundThresholdG)
+						{
+							objectLabels[num4] = objectLabels[num4 - imageWidth];
+						}
+						if (ptr[1 - stride] > backgroundThresholdG)
+						{
+							if (objectLabels[num4] == 0)
+							{
+								objectLabels[num4] = objectLabels[num4 + 1 - imageWidth];
+							}
+							else
+							{
+								int num8 = objectLabels[num4];
+								int num9 = objectLabels[num4 + 1 - imageWidth];
+								if (num8 != num9 && array[num8] != array[num9])
+								{
+									if (array[num8] == num8)
+									{
+										array[num8] = array[num9];
+									}
+									else if (array[num9] == num9)
+									{
+										array[num9] = array[num8];
+									}
+									else
+									{
+										array[array[num8]] = array[num9];
+										array[num8] = array[num9];
+									}
+									for (int k = 1; k <= num2; k++)
+									{
+										if (array[k] != k)
+										{
+											int num10;
+											for (num10 = array[k]; num10 != array[num10]; num10 = array[num10])
+											{
+											}
+											array[k] = num10;
+										}
+									}
+								}
+							}
+						}
+						if (objectLabels[num4] == 0)
+						{
+							num2 = (objectLabels[num4] = num2 + 1);
+						}
+					}
+					num7++;
+					ptr++;
+					num4++;
+				}
+				if (*ptr > backgroundThresholdG)
+				{
+					if (ptr[-1] > backgroundThresholdG)
+					{
+						objectLabels[num4] = objectLabels[num4 - 1];
+					}
+					else if (ptr[-1 - stride] > backgroundThresholdG)
+					{
+						objectLabels[num4] = objectLabels[num4 - 1 - imageWidth];
+					}
+					else if (ptr[-stride] > backgroundThresholdG)
+					{
+						objectLabels[num4] = objectLabels[num4 - imageWidth];
+					}
+					else
+					{
+						num2 = (objectLabels[num4] = num2 + 1);
+					}
+				}
+				ptr++;
+				num4++;
+				ptr += num5;
+			}
+		}
+		else
+		{
+			int num11 = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+			int num12 = stride - imageWidth * num11;
+			int num13 = stride - num11;
+			int num14 = stride + num11;
+			if ((ptr[2] | ptr[1] | *ptr) != 0)
+			{
+				num2 = (objectLabels[num4] = num2 + 1);
+			}
+			ptr += num11;
+			num4++;
+			int num15 = 1;
+			while (num15 < imageWidth)
+			{
+				if (ptr[2] > backgroundThresholdR || ptr[1] > backgroundThresholdG || *ptr > backgroundThresholdB)
+				{
+					if (ptr[2 - num11] > backgroundThresholdR || ptr[1 - num11] > backgroundThresholdG || ptr[-num11] > backgroundThresholdB)
+					{
+						objectLabels[num4] = objectLabels[num4 - 1];
+					}
+					else
+					{
+						num2 = (objectLabels[num4] = num2 + 1);
+					}
+				}
+				num15++;
+				ptr += num11;
+				num4++;
+			}
+			ptr += num12;
+			for (int l = 1; l < imageHeight; l++)
+			{
+				if (ptr[2] > backgroundThresholdR || ptr[1] > backgroundThresholdG || *ptr > backgroundThresholdB)
+				{
+					if (ptr[2 - stride] > backgroundThresholdR || ptr[1 - stride] > backgroundThresholdG || ptr[-stride] > backgroundThresholdB)
+					{
+						objectLabels[num4] = objectLabels[num4 - imageWidth];
+					}
+					else if (ptr[2 - num13] <= backgroundThresholdR && ptr[1 - num13] <= backgroundThresholdG && ptr[-num13] <= backgroundThresholdB)
+					{
+						num2 = (objectLabels[num4] = num2 + 1);
+					}
+					else
+					{
+						objectLabels[num4] = objectLabels[num4 + 1 - imageWidth];
+					}
+				}
+				ptr += num11;
+				num4++;
+				int num16 = 1;
+				while (num16 < imageWidth - 1)
+				{
+					if (ptr[2] > backgroundThresholdR || ptr[1] > backgroundThresholdG || *ptr > backgroundThresholdB)
+					{
+						if (ptr[2 - num11] > backgroundThresholdR || ptr[1 - num11] > backgroundThresholdG || ptr[-num11] > backgroundThresholdB)
+						{
+							objectLabels[num4] = objectLabels[num4 - 1];
+						}
+						else if (ptr[2 - num14] > backgroundThresholdR || ptr[1 - num14] > backgroundThresholdG || ptr[-num14] > backgroundThresholdB)
+						{
+							objectLabels[num4] = objectLabels[num4 - 1 - imageWidth];
+						}
+						else if (ptr[2 - stride] > backgroundThresholdR || ptr[1 - stride] > backgroundThresholdG || ptr[-stride] > backgroundThresholdB)
+						{
+							objectLabels[num4] = objectLabels[num4 - imageWidth];
+						}
+						if (ptr[2 - num13] > backgroundThresholdR || ptr[1 - num13] > backgroundThresholdG || ptr[-num13] > backgroundThresholdB)
+						{
+							if (objectLabels[num4] == 0)
+							{
+								objectLabels[num4] = objectLabels[num4 + 1 - imageWidth];
+							}
+							else
+							{
+								int num17 = objectLabels[num4];
+								int num18 = objectLabels[num4 + 1 - imageWidth];
+								if (num17 != num18 && array[num17] != array[num18])
+								{
+									if (array[num17] == num17)
+									{
+										array[num17] = array[num18];
+									}
+									else if (array[num18] == num18)
+									{
+										array[num18] = array[num17];
+									}
+									else
+									{
+										array[array[num17]] = array[num18];
+										array[num17] = array[num18];
+									}
+									for (int m = 1; m <= num2; m++)
+									{
+										if (array[m] != m)
+										{
+											int num19;
+											for (num19 = array[m]; num19 != array[num19]; num19 = array[num19])
+											{
+											}
+											array[m] = num19;
+										}
+									}
+								}
+							}
+						}
+						if (objectLabels[num4] == 0)
+						{
+							num2 = (objectLabels[num4] = num2 + 1);
+						}
+					}
+					num16++;
+					ptr += num11;
+					num4++;
+				}
+				if (ptr[2] > backgroundThresholdR || ptr[1] > backgroundThresholdG || *ptr > backgroundThresholdB)
+				{
+					if (ptr[2 - num11] > backgroundThresholdR || ptr[1 - num11] > backgroundThresholdG || ptr[-num11] > backgroundThresholdB)
+					{
+						objectLabels[num4] = objectLabels[num4 - 1];
+					}
+					else if (ptr[2 - num14] > backgroundThresholdR || ptr[1 - num14] > backgroundThresholdG || ptr[-num14] > backgroundThresholdB)
+					{
+						objectLabels[num4] = objectLabels[num4 - 1 - imageWidth];
+					}
+					else if (ptr[2 - stride] > backgroundThresholdR || ptr[1 - stride] > backgroundThresholdG || ptr[-stride] > backgroundThresholdB)
+					{
+						objectLabels[num4] = objectLabels[num4 - imageWidth];
+					}
+					else
+					{
+						num2 = (objectLabels[num4] = num2 + 1);
+					}
+				}
+				ptr += num11;
+				num4++;
+				ptr += num12;
+			}
+		}
+		int[] array2 = new int[array.Length];
+		objectsCount = 0;
+		for (int n = 1; n <= num2; n++)
+		{
+			if (array[n] == n)
+			{
+				array2[n] = ++objectsCount;
+			}
+		}
+		for (int num20 = 1; num20 <= num2; num20++)
+		{
+			if (array[num20] != num20)
+			{
+				array2[num20] = array2[array[num20]];
+			}
+		}
+		int num21 = 0;
+		for (int num22 = objectLabels.Length; num21 < num22; num21++)
+		{
+			objectLabels[num21] = array2[objectLabels[num21]];
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/BlobCounterBase.cs

@@ -0,0 +1,798 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging;
+
+public abstract class BlobCounterBase
+{
+	private class BlobsSorter : IComparer<Blob>
+	{
+		private ObjectsOrder order;
+
+		public BlobsSorter(ObjectsOrder order)
+		{
+			this.order = order;
+		}
+
+		public int Compare(Blob a, Blob b)
+		{
+			Rectangle rectangle = a.Rectangle;
+			Rectangle rectangle2 = b.Rectangle;
+			return order switch
+			{
+				ObjectsOrder.Size => rectangle2.Width * rectangle2.Height - rectangle.Width * rectangle.Height, 
+				ObjectsOrder.Area => b.Area - a.Area, 
+				ObjectsOrder.YX => rectangle.Y * 100000 + rectangle.X - (rectangle2.Y * 100000 + rectangle2.X), 
+				ObjectsOrder.XY => rectangle.X * 100000 + rectangle.Y - (rectangle2.X * 100000 + rectangle2.Y), 
+				_ => 0, 
+			};
+		}
+	}
+
+	private List<Blob> blobs = new List<Blob>();
+
+	private ObjectsOrder objectsOrder;
+
+	private bool filterBlobs;
+
+	private IBlobsFilter filter;
+
+	private bool coupledSizeFiltering;
+
+	private int minWidth = 1;
+
+	private int minHeight = 1;
+
+	private int maxWidth = int.MaxValue;
+
+	private int maxHeight = int.MaxValue;
+
+	protected int objectsCount;
+
+	protected int[] objectLabels;
+
+	protected int imageWidth;
+
+	protected int imageHeight;
+
+	public int ObjectsCount => objectsCount;
+
+	public int[] ObjectLabels => objectLabels;
+
+	public ObjectsOrder ObjectsOrder
+	{
+		get
+		{
+			return objectsOrder;
+		}
+		set
+		{
+			objectsOrder = value;
+		}
+	}
+
+	public bool FilterBlobs
+	{
+		get
+		{
+			return filterBlobs;
+		}
+		set
+		{
+			filterBlobs = value;
+		}
+	}
+
+	public bool CoupledSizeFiltering
+	{
+		get
+		{
+			return coupledSizeFiltering;
+		}
+		set
+		{
+			coupledSizeFiltering = value;
+		}
+	}
+
+	public int MinWidth
+	{
+		get
+		{
+			return minWidth;
+		}
+		set
+		{
+			minWidth = value;
+		}
+	}
+
+	public int MinHeight
+	{
+		get
+		{
+			return minHeight;
+		}
+		set
+		{
+			minHeight = value;
+		}
+	}
+
+	public int MaxWidth
+	{
+		get
+		{
+			return maxWidth;
+		}
+		set
+		{
+			maxWidth = value;
+		}
+	}
+
+	public int MaxHeight
+	{
+		get
+		{
+			return maxHeight;
+		}
+		set
+		{
+			maxHeight = value;
+		}
+	}
+
+	public IBlobsFilter BlobsFilter
+	{
+		get
+		{
+			return filter;
+		}
+		set
+		{
+			filter = value;
+		}
+	}
+
+	public BlobCounterBase()
+	{
+	}
+
+	public BlobCounterBase(Bitmap image)
+	{
+		ProcessImage(image);
+	}
+
+	public BlobCounterBase(BitmapData imageData)
+	{
+		ProcessImage(imageData);
+	}
+
+	public BlobCounterBase(UnmanagedImage image)
+	{
+		ProcessImage(image);
+	}
+
+	public void ProcessImage(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		try
+		{
+			ProcessImage(val);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public void ProcessImage(BitmapData imageData)
+	{
+		ProcessImage(new UnmanagedImage(imageData));
+	}
+
+	public void ProcessImage(UnmanagedImage image)
+	{
+		imageWidth = image.Width;
+		imageHeight = image.Height;
+		BuildObjectsMap(image);
+		CollectObjectsInfo(image);
+		if (filterBlobs)
+		{
+			int[] array = new int[objectsCount + 1];
+			for (int i = 1; i <= objectsCount; i++)
+			{
+				array[i] = i;
+			}
+			int num = 0;
+			if (filter == null)
+			{
+				for (int num2 = objectsCount - 1; num2 >= 0; num2--)
+				{
+					int width = blobs[num2].Rectangle.Width;
+					int height = blobs[num2].Rectangle.Height;
+					if (!coupledSizeFiltering)
+					{
+						if (width < minWidth || height < minHeight || width > maxWidth || height > maxHeight)
+						{
+							array[num2 + 1] = 0;
+							num++;
+							blobs.RemoveAt(num2);
+						}
+					}
+					else if ((width < minWidth && height < minHeight) || (width > maxWidth && height > maxHeight))
+					{
+						array[num2 + 1] = 0;
+						num++;
+						blobs.RemoveAt(num2);
+					}
+				}
+			}
+			else
+			{
+				for (int num3 = objectsCount - 1; num3 >= 0; num3--)
+				{
+					if (!filter.Check(blobs[num3]))
+					{
+						array[num3 + 1] = 0;
+						num++;
+						blobs.RemoveAt(num3);
+					}
+				}
+			}
+			int num4 = 0;
+			for (int j = 1; j <= objectsCount; j++)
+			{
+				if (array[j] != 0)
+				{
+					num4 = (array[j] = num4 + 1);
+				}
+			}
+			int k = 0;
+			for (int num5 = objectLabels.Length; k < num5; k++)
+			{
+				objectLabels[k] = array[objectLabels[k]];
+			}
+			objectsCount -= num;
+			int l = 0;
+			for (int count = blobs.Count; l < count; l++)
+			{
+				blobs[l].ID = l + 1;
+			}
+		}
+		if (objectsOrder != ObjectsOrder.None)
+		{
+			blobs.Sort(new BlobsSorter(objectsOrder));
+		}
+	}
+
+	public Rectangle[] GetObjectsRectangles()
+	{
+		if (objectLabels == null)
+		{
+			throw new ApplicationException("Image should be processed before to collect objects map.");
+		}
+		Rectangle[] array = new Rectangle[objectsCount];
+		for (int i = 0; i < objectsCount; i++)
+		{
+			ref Rectangle reference = ref array[i];
+			reference = blobs[i].Rectangle;
+		}
+		return array;
+	}
+
+	public Blob[] GetObjectsInformation()
+	{
+		if (objectLabels == null)
+		{
+			throw new ApplicationException("Image should be processed before to collect objects map.");
+		}
+		Blob[] array = new Blob[objectsCount];
+		for (int i = 0; i < objectsCount; i++)
+		{
+			array[i] = new Blob(blobs[i]);
+		}
+		return array;
+	}
+
+	public Blob[] GetObjects(Bitmap image, bool extractInOriginalSize)
+	{
+		//IL_0018: Unknown result type (might be due to invalid IL or missing references)
+		Blob[] array = null;
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		try
+		{
+			return GetObjects(new UnmanagedImage(val), extractInOriginalSize);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public unsafe Blob[] GetObjects(UnmanagedImage image, bool extractInOriginalSize)
+	{
+		//IL_0014: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001e: Invalid comparison between Unknown and I4
+		//IL_0082: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Invalid comparison between Unknown and I4
+		//IL_002e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0038: Invalid comparison between Unknown and I4
+		//IL_003b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0045: Invalid comparison between Unknown and I4
+		//IL_0048: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0052: Invalid comparison between Unknown and I4
+		//IL_0055: Unknown result type (might be due to invalid IL or missing references)
+		//IL_005f: Invalid comparison between Unknown and I4
+		//IL_0157: Unknown result type (might be due to invalid IL or missing references)
+		if (objectLabels == null)
+		{
+			throw new ApplicationException("Image should be processed before to collect objects map.");
+		}
+		if ((int)image.PixelFormat != 137224 && (int)image.PixelFormat != 198659 && (int)image.PixelFormat != 139273 && (int)image.PixelFormat != 2498570 && (int)image.PixelFormat != 139273 && (int)image.PixelFormat != 925707)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the provided image.");
+		}
+		int width = image.Width;
+		int height = image.Height;
+		int stride = image.Stride;
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		Blob[] array = new Blob[objectsCount];
+		for (int i = 0; i < objectsCount; i++)
+		{
+			int width2 = blobs[i].Rectangle.Width;
+			int height2 = blobs[i].Rectangle.Height;
+			int width3 = (extractInOriginalSize ? width : width2);
+			int height3 = (extractInOriginalSize ? height : height2);
+			int x = blobs[i].Rectangle.X;
+			int num2 = x + width2 - 1;
+			int y = blobs[i].Rectangle.Y;
+			int num3 = y + height2 - 1;
+			int iD = blobs[i].ID;
+			UnmanagedImage unmanagedImage = UnmanagedImage.Create(width3, height3, image.PixelFormat);
+			byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)y * (nint)stride + (nint)x * (nint)num;
+			byte* ptr2 = (byte*)unmanagedImage.ImageData.ToPointer();
+			int num4 = y * width + x;
+			if (extractInOriginalSize)
+			{
+				ptr2 += y * unmanagedImage.Stride + x * num;
+			}
+			int num5 = stride - width2 * num;
+			int num6 = unmanagedImage.Stride - width2 * num;
+			int num7 = width - width2;
+			for (int j = y; j <= num3; j++)
+			{
+				int num8 = x;
+				while (num8 <= num2)
+				{
+					if (objectLabels[num4] == iD)
+					{
+						*ptr2 = *ptr;
+						if (num > 1)
+						{
+							ptr2[1] = ptr[1];
+							ptr2[2] = ptr[2];
+							if (num > 3)
+							{
+								ptr2[3] = ptr[3];
+							}
+						}
+					}
+					num8++;
+					num4++;
+					ptr2 += num;
+					ptr += num;
+				}
+				ptr += num5;
+				ptr2 += num6;
+				num4 += num7;
+			}
+			array[i] = new Blob(blobs[i]);
+			array[i].Image = unmanagedImage;
+			array[i].OriginalSize = extractInOriginalSize;
+		}
+		return array;
+	}
+
+	public void ExtractBlobsImage(Bitmap image, Blob blob, bool extractInOriginalSize)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		try
+		{
+			ExtractBlobsImage(new UnmanagedImage(val), blob, extractInOriginalSize);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public unsafe void ExtractBlobsImage(UnmanagedImage image, Blob blob, bool extractInOriginalSize)
+	{
+		//IL_0014: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001e: Invalid comparison between Unknown and I4
+		//IL_0082: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Invalid comparison between Unknown and I4
+		//IL_002e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0038: Invalid comparison between Unknown and I4
+		//IL_003b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0045: Invalid comparison between Unknown and I4
+		//IL_0048: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0052: Invalid comparison between Unknown and I4
+		//IL_0107: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0055: Unknown result type (might be due to invalid IL or missing references)
+		//IL_005f: Invalid comparison between Unknown and I4
+		if (objectLabels == null)
+		{
+			throw new ApplicationException("Image should be processed before to collect objects map.");
+		}
+		if ((int)image.PixelFormat != 137224 && (int)image.PixelFormat != 198659 && (int)image.PixelFormat != 139273 && (int)image.PixelFormat != 2498570 && (int)image.PixelFormat != 139273 && (int)image.PixelFormat != 925707)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the provided image.");
+		}
+		int width = image.Width;
+		int height = image.Height;
+		int stride = image.Stride;
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int width2 = blob.Rectangle.Width;
+		int height2 = blob.Rectangle.Height;
+		int width3 = (extractInOriginalSize ? width : width2);
+		int height3 = (extractInOriginalSize ? height : height2);
+		int left = blob.Rectangle.Left;
+		int num2 = left + width2 - 1;
+		int top = blob.Rectangle.Top;
+		int num3 = top + height2 - 1;
+		int iD = blob.ID;
+		blob.Image = UnmanagedImage.Create(width3, height3, image.PixelFormat);
+		blob.OriginalSize = extractInOriginalSize;
+		byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)top * (nint)stride + (nint)left * (nint)num;
+		byte* ptr2 = (byte*)blob.Image.ImageData.ToPointer();
+		int num4 = top * width + left;
+		if (extractInOriginalSize)
+		{
+			ptr2 += top * blob.Image.Stride + left * num;
+		}
+		int num5 = stride - width2 * num;
+		int num6 = blob.Image.Stride - width2 * num;
+		int num7 = width - width2;
+		for (int i = top; i <= num3; i++)
+		{
+			int num8 = left;
+			while (num8 <= num2)
+			{
+				if (objectLabels[num4] == iD)
+				{
+					*ptr2 = *ptr;
+					if (num > 1)
+					{
+						ptr2[1] = ptr[1];
+						ptr2[2] = ptr[2];
+						if (num > 3)
+						{
+							ptr2[3] = ptr[3];
+						}
+					}
+				}
+				num8++;
+				num4++;
+				ptr2 += num;
+				ptr += num;
+			}
+			ptr += num5;
+			ptr2 += num6;
+			num4 += num7;
+		}
+	}
+
+	public void GetBlobsLeftAndRightEdges(Blob blob, out List<IntPoint> leftEdge, out List<IntPoint> rightEdge)
+	{
+		if (objectLabels == null)
+		{
+			throw new ApplicationException("Image should be processed before to collect objects map.");
+		}
+		leftEdge = new List<IntPoint>();
+		rightEdge = new List<IntPoint>();
+		int left = blob.Rectangle.Left;
+		int num = left + blob.Rectangle.Width - 1;
+		int top = blob.Rectangle.Top;
+		int num2 = top + blob.Rectangle.Height - 1;
+		int iD = blob.ID;
+		for (int i = top; i <= num2; i++)
+		{
+			int num3 = i * imageWidth + left;
+			int num4 = left;
+			while (num4 <= num)
+			{
+				if (objectLabels[num3] == iD)
+				{
+					leftEdge.Add(new IntPoint(num4, i));
+					break;
+				}
+				num4++;
+				num3++;
+			}
+			num3 = i * imageWidth + num;
+			int num5 = num;
+			while (num5 >= left)
+			{
+				if (objectLabels[num3] == iD)
+				{
+					rightEdge.Add(new IntPoint(num5, i));
+					break;
+				}
+				num5--;
+				num3--;
+			}
+		}
+	}
+
+	public void GetBlobsTopAndBottomEdges(Blob blob, out List<IntPoint> topEdge, out List<IntPoint> bottomEdge)
+	{
+		if (objectLabels == null)
+		{
+			throw new ApplicationException("Image should be processed before to collect objects map.");
+		}
+		topEdge = new List<IntPoint>();
+		bottomEdge = new List<IntPoint>();
+		int left = blob.Rectangle.Left;
+		int num = left + blob.Rectangle.Width - 1;
+		int top = blob.Rectangle.Top;
+		int num2 = top + blob.Rectangle.Height - 1;
+		int iD = blob.ID;
+		for (int i = left; i <= num; i++)
+		{
+			int num3 = top * imageWidth + i;
+			int num4 = top;
+			while (num4 <= num2)
+			{
+				if (objectLabels[num3] == iD)
+				{
+					topEdge.Add(new IntPoint(i, num4));
+					break;
+				}
+				num4++;
+				num3 += imageWidth;
+			}
+			num3 = num2 * imageWidth + i;
+			int num5 = num2;
+			while (num5 >= top)
+			{
+				if (objectLabels[num3] == iD)
+				{
+					bottomEdge.Add(new IntPoint(i, num5));
+					break;
+				}
+				num5--;
+				num3 -= imageWidth;
+			}
+		}
+	}
+
+	public List<IntPoint> GetBlobsEdgePoints(Blob blob)
+	{
+		if (objectLabels == null)
+		{
+			throw new ApplicationException("Image should be processed before to collect objects map.");
+		}
+		List<IntPoint> list = new List<IntPoint>();
+		int left = blob.Rectangle.Left;
+		int num = left + blob.Rectangle.Width - 1;
+		int top = blob.Rectangle.Top;
+		int num2 = top + blob.Rectangle.Height - 1;
+		int iD = blob.ID;
+		int[] array = new int[blob.Rectangle.Height];
+		int[] array2 = new int[blob.Rectangle.Height];
+		for (int i = top; i <= num2; i++)
+		{
+			int num3 = i * imageWidth + left;
+			int num4 = left;
+			while (num4 <= num)
+			{
+				if (objectLabels[num3] == iD)
+				{
+					list.Add(new IntPoint(num4, i));
+					array[i - top] = num4;
+					break;
+				}
+				num4++;
+				num3++;
+			}
+			num3 = i * imageWidth + num;
+			int num5 = num;
+			while (num5 >= left)
+			{
+				if (objectLabels[num3] == iD)
+				{
+					if (array[i - top] != num5)
+					{
+						list.Add(new IntPoint(num5, i));
+					}
+					array2[i - top] = num5;
+					break;
+				}
+				num5--;
+				num3--;
+			}
+		}
+		for (int j = left; j <= num; j++)
+		{
+			int num6 = top * imageWidth + j;
+			int num7 = top;
+			int num8 = 0;
+			while (num7 <= num2)
+			{
+				if (objectLabels[num6] == iD)
+				{
+					if (array[num8] != j && array2[num8] != j)
+					{
+						list.Add(new IntPoint(j, num7));
+					}
+					break;
+				}
+				num7++;
+				num8++;
+				num6 += imageWidth;
+			}
+			num6 = num2 * imageWidth + j;
+			int num9 = num2;
+			int num10 = num2 - top;
+			while (num9 >= top)
+			{
+				if (objectLabels[num6] == iD)
+				{
+					if (array[num10] != j && array2[num10] != j)
+					{
+						list.Add(new IntPoint(j, num9));
+					}
+					break;
+				}
+				num9--;
+				num10--;
+				num6 -= imageWidth;
+			}
+		}
+		return list;
+	}
+
+	protected abstract void BuildObjectsMap(UnmanagedImage image);
+
+	private unsafe void CollectObjectsInfo(UnmanagedImage image)
+	{
+		//IL_00fe: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0108: Invalid comparison between Unknown and I4
+		//IL_0263: Unknown result type (might be due to invalid IL or missing references)
+		int num = 0;
+		int[] array = new int[objectsCount + 1];
+		int[] array2 = new int[objectsCount + 1];
+		int[] array3 = new int[objectsCount + 1];
+		int[] array4 = new int[objectsCount + 1];
+		int[] array5 = new int[objectsCount + 1];
+		long[] array6 = new long[objectsCount + 1];
+		long[] array7 = new long[objectsCount + 1];
+		long[] array8 = new long[objectsCount + 1];
+		long[] array9 = new long[objectsCount + 1];
+		long[] array10 = new long[objectsCount + 1];
+		long[] array11 = new long[objectsCount + 1];
+		long[] array12 = new long[objectsCount + 1];
+		long[] array13 = new long[objectsCount + 1];
+		for (int i = 1; i <= objectsCount; i++)
+		{
+			array[i] = imageWidth;
+			array2[i] = imageHeight;
+		}
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		if ((int)image.PixelFormat == 198659)
+		{
+			int num2 = image.Stride - imageWidth;
+			for (int j = 0; j < imageHeight; j++)
+			{
+				int num3 = 0;
+				while (num3 < imageWidth)
+				{
+					int num4 = objectLabels[num];
+					if (num4 != 0)
+					{
+						if (num3 < array[num4])
+						{
+							array[num4] = num3;
+						}
+						if (num3 > array3[num4])
+						{
+							array3[num4] = num3;
+						}
+						if (j < array2[num4])
+						{
+							array2[num4] = j;
+						}
+						if (j > array4[num4])
+						{
+							array4[num4] = j;
+						}
+						array5[num4]++;
+						array6[num4] += num3;
+						array7[num4] += j;
+						byte b = *ptr;
+						array9[num4] += b;
+						array12[num4] += b * b;
+					}
+					num3++;
+					num++;
+					ptr++;
+				}
+				ptr += num2;
+			}
+			for (int k = 1; k <= objectsCount; k++)
+			{
+				array8[k] = (array10[k] = array9[k]);
+				array11[k] = (array13[k] = array12[k]);
+			}
+		}
+		else
+		{
+			int num5 = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+			int num6 = image.Stride - imageWidth * num5;
+			for (int l = 0; l < imageHeight; l++)
+			{
+				int num7 = 0;
+				while (num7 < imageWidth)
+				{
+					int num4 = objectLabels[num];
+					if (num4 != 0)
+					{
+						if (num7 < array[num4])
+						{
+							array[num4] = num7;
+						}
+						if (num7 > array3[num4])
+						{
+							array3[num4] = num7;
+						}
+						if (l < array2[num4])
+						{
+							array2[num4] = l;
+						}
+						if (l > array4[num4])
+						{
+							array4[num4] = l;
+						}
+						array5[num4]++;
+						array6[num4] += num7;
+						array7[num4] += l;
+						byte b2 = ptr[2];
+						byte b3 = ptr[1];
+						byte b4 = *ptr;
+						array8[num4] += b2;
+						array9[num4] += b3;
+						array10[num4] += b4;
+						array11[num4] += b2 * b2;
+						array12[num4] += b3 * b3;
+						array13[num4] += b4 * b4;
+					}
+					num7++;
+					num++;
+					ptr += num5;
+				}
+				ptr += num6;
+			}
+		}
+		blobs.Clear();
+		for (int m = 1; m <= objectsCount; m++)
+		{
+			int num8 = array5[m];
+			Blob blob = new Blob(m, new Rectangle(array[m], array2[m], array3[m] - array[m] + 1, array4[m] - array2[m] + 1));
+			blob.Area = num8;
+			blob.Fullness = (double)num8 / (double)((array3[m] - array[m] + 1) * (array4[m] - array2[m] + 1));
+			blob.CenterOfGravity = new Point((float)array6[m] / (float)num8, (float)array7[m] / (float)num8);
+			blob.ColorMean = Color.FromArgb((byte)(array8[m] / num8), (byte)(array9[m] / num8), (byte)(array10[m] / num8));
+			blob.ColorStdDev = Color.FromArgb((byte)System.Math.Sqrt(array11[m] / num8 - blob.ColorMean.R * blob.ColorMean.R), (byte)System.Math.Sqrt(array12[m] / num8 - blob.ColorMean.G * blob.ColorMean.G), (byte)System.Math.Sqrt(array13[m] / num8 - blob.ColorMean.B * blob.ColorMean.B));
+			blobs.Add(blob);
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/BlockMatch.cs

@@ -0,0 +1,23 @@
+namespace AForge.Imaging;
+
+public class BlockMatch
+{
+	private IntPoint sourcePoint;
+
+	private IntPoint matchPoint;
+
+	private float similarity;
+
+	public IntPoint SourcePoint => sourcePoint;
+
+	public IntPoint MatchPoint => matchPoint;
+
+	public float Similarity => similarity;
+
+	public BlockMatch(IntPoint sourcePoint, IntPoint matchPoint, float similarity)
+	{
+		this.sourcePoint = sourcePoint;
+		this.matchPoint = matchPoint;
+		this.similarity = similarity;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/BurkesColorDithering.cs

@@ -0,0 +1,13 @@
+namespace AForge.Imaging.ColorReduction;
+
+public sealed class BurkesColorDithering : ColorErrorDiffusionToAdjacentNeighbors
+{
+	public BurkesColorDithering()
+		: base(new int[2][]
+		{
+			new int[2] { 8, 4 },
+			new int[5] { 2, 4, 8, 4, 2 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/ColorErrorDiffusionToAdjacentNeighbors.cs

@@ -0,0 +1,94 @@
+namespace AForge.Imaging.ColorReduction;
+
+public class ColorErrorDiffusionToAdjacentNeighbors : ErrorDiffusionColorDithering
+{
+	private int[][] coefficients;
+
+	private int coefficientsSum;
+
+	public int[][] Coefficients
+	{
+		get
+		{
+			return coefficients;
+		}
+		set
+		{
+			coefficients = value;
+			CalculateCoefficientsSum();
+		}
+	}
+
+	public ColorErrorDiffusionToAdjacentNeighbors(int[][] coefficients)
+	{
+		this.coefficients = coefficients;
+		CalculateCoefficientsSum();
+	}
+
+	protected unsafe override void Diffuse(int rError, int gError, int bError, byte* ptr)
+	{
+		int[] array = coefficients[0];
+		int num = 1;
+		int num2 = pixelSize;
+		int num3 = 0;
+		int num4 = array.Length;
+		while (num3 < num4 && x + num < width)
+		{
+			int num5 = ptr[num2 + 2] + rError * array[num3] / coefficientsSum;
+			num5 = ((num5 >= 0) ? ((num5 > 255) ? 255 : num5) : 0);
+			ptr[num2 + 2] = (byte)num5;
+			int num6 = ptr[num2 + 1] + gError * array[num3] / coefficientsSum;
+			num6 = ((num6 >= 0) ? ((num6 > 255) ? 255 : num6) : 0);
+			ptr[num2 + 1] = (byte)num6;
+			int num7 = ptr[num2] + bError * array[num3] / coefficientsSum;
+			num7 = ((num7 >= 0) ? ((num7 > 255) ? 255 : num7) : 0);
+			ptr[num2] = (byte)num7;
+			num++;
+			num3++;
+			num2 += pixelSize;
+		}
+		int i = 1;
+		for (int num8 = coefficients.Length; i < num8 && y + i < height; i++)
+		{
+			ptr += stride;
+			array = coefficients[i];
+			int num9 = 0;
+			int num10 = array.Length;
+			int num11 = -(num10 >> 1);
+			int num12 = -(num10 >> 1) * pixelSize;
+			while (num9 < num10 && x + num11 < width)
+			{
+				if (x + num11 >= 0)
+				{
+					int num5 = ptr[num12 + 2] + rError * array[num9] / coefficientsSum;
+					num5 = ((num5 >= 0) ? ((num5 > 255) ? 255 : num5) : 0);
+					ptr[num12 + 2] = (byte)num5;
+					int num6 = ptr[num12 + 1] + gError * array[num9] / coefficientsSum;
+					num6 = ((num6 >= 0) ? ((num6 > 255) ? 255 : num6) : 0);
+					ptr[num12 + 1] = (byte)num6;
+					int num7 = ptr[num12] + bError * array[num9] / coefficientsSum;
+					num7 = ((num7 >= 0) ? ((num7 > 255) ? 255 : num7) : 0);
+					ptr[num12] = (byte)num7;
+				}
+				num11++;
+				num9++;
+				num12 += pixelSize;
+			}
+		}
+	}
+
+	private void CalculateCoefficientsSum()
+	{
+		coefficientsSum = 0;
+		int i = 0;
+		for (int num = coefficients.Length; i < num; i++)
+		{
+			int[] array = coefficients[i];
+			int j = 0;
+			for (int num2 = array.Length; j < num2; j++)
+			{
+				coefficientsSum += array[j];
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/ColorImageQuantizer.cs

@@ -0,0 +1,247 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.ColorReduction;
+
+public class ColorImageQuantizer
+{
+	private IColorQuantizer quantizer;
+
+	private bool useCaching;
+
+	[NonSerialized]
+	private Color[] paletteToUse;
+
+	[NonSerialized]
+	private Dictionary<Color, int> cache = new Dictionary<Color, int>();
+
+	public IColorQuantizer Quantizer
+	{
+		get
+		{
+			return quantizer;
+		}
+		set
+		{
+			quantizer = value;
+		}
+	}
+
+	public bool UseCaching
+	{
+		get
+		{
+			return useCaching;
+		}
+		set
+		{
+			useCaching = value;
+		}
+	}
+
+	public ColorImageQuantizer(IColorQuantizer quantizer)
+	{
+		this.quantizer = quantizer;
+	}
+
+	public Color[] CalculatePalette(Bitmap image, int paletteSize)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		try
+		{
+			return CalculatePalette(new UnmanagedImage(val), paletteSize);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public unsafe Color[] CalculatePalette(UnmanagedImage image, int paletteSize)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		//IL_0059: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Invalid comparison between Unknown and I4
+		//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0025: Invalid comparison between Unknown and I4
+		//IL_0028: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0032: Invalid comparison between Unknown and I4
+		if ((int)image.PixelFormat != 137224 && (int)image.PixelFormat != 139273 && (int)image.PixelFormat != 2498570 && (int)image.PixelFormat != 925707)
+		{
+			throw new UnsupportedImageFormatException("Unsupported format of the source image.");
+		}
+		quantizer.Clear();
+		int width = image.Width;
+		int height = image.Height;
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		int num2 = image.Stride - width * num;
+		for (int i = 0; i < height; i++)
+		{
+			int num3 = 0;
+			while (num3 < width)
+			{
+				quantizer.AddColor(Color.FromArgb(ptr[2], ptr[1], *ptr));
+				num3++;
+				ptr += num;
+			}
+			ptr += num2;
+		}
+		return quantizer.GetPalette(paletteSize);
+	}
+
+	public Bitmap ReduceColors(Bitmap image, int paletteSize)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		try
+		{
+			Bitmap val2 = ReduceColors(new UnmanagedImage(val), paletteSize);
+			if (((Image)image).HorizontalResolution > 0f && ((Image)image).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)image).HorizontalResolution, ((Image)image).VerticalResolution);
+			}
+			return val2;
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public Bitmap ReduceColors(UnmanagedImage image, int paletteSize)
+	{
+		if (paletteSize < 2 || paletteSize > 256)
+		{
+			throw new ArgumentException("Invalid size of the target color palette.");
+		}
+		return ReduceColors(image, CalculatePalette(image, paletteSize));
+	}
+
+	public Bitmap ReduceColors(Bitmap image, Color[] palette)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		try
+		{
+			Bitmap val2 = ReduceColors(new UnmanagedImage(val), palette);
+			if (((Image)image).HorizontalResolution > 0f && ((Image)image).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)image).HorizontalResolution, ((Image)image).VerticalResolution);
+			}
+			return val2;
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public unsafe Bitmap ReduceColors(UnmanagedImage image, Color[] palette)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Invalid comparison between Unknown and I4
+		//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0025: Invalid comparison between Unknown and I4
+		//IL_0082: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0028: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0032: Invalid comparison between Unknown and I4
+		//IL_00ab: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00b2: Expected O, but got Unknown
+		//IL_0108: Unknown result type (might be due to invalid IL or missing references)
+		if ((int)image.PixelFormat != 137224 && (int)image.PixelFormat != 139273 && (int)image.PixelFormat != 2498570 && (int)image.PixelFormat != 925707)
+		{
+			throw new UnsupportedImageFormatException("Unsupported format of the source image.");
+		}
+		if (palette.Length < 2 || palette.Length > 256)
+		{
+			throw new ArgumentException("Invalid size of the target color palette.");
+		}
+		paletteToUse = palette;
+		cache.Clear();
+		int width = image.Width;
+		int height = image.Height;
+		int stride = image.Stride;
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int num2 = stride - width * num;
+		Bitmap val = new Bitmap(width, height, (PixelFormat)((palette.Length > 16) ? 198659 : 197634));
+		ColorPalette palette2 = ((Image)val).Palette;
+		int i = 0;
+		for (int num3 = palette.Length; i < num3; i++)
+		{
+			ref Color reference = ref palette2.Entries[i];
+			reference = palette[i];
+		}
+		((Image)val).Palette = palette2;
+		BitmapData val2 = val.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, ((Image)val).PixelFormat);
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		byte* ptr2 = (byte*)val2.Scan0.ToPointer();
+		bool flag = palette.Length > 16;
+		for (int j = 0; j < height; j++)
+		{
+			byte* ptr3 = ptr2 + (nint)j * (nint)val2.Stride;
+			int num4 = 0;
+			while (num4 < width)
+			{
+				byte b = (byte)GetClosestColor(ptr[2], ptr[1], *ptr);
+				if (flag)
+				{
+					*ptr3 = b;
+					ptr3++;
+				}
+				else if (num4 % 2 == 0)
+				{
+					byte* intPtr = ptr3;
+					*intPtr |= (byte)(b << 4);
+				}
+				else
+				{
+					byte* intPtr2 = ptr3;
+					*intPtr2 |= b;
+					ptr3++;
+				}
+				num4++;
+				ptr += num;
+			}
+			ptr += num2;
+		}
+		val.UnlockBits(val2);
+		return val;
+	}
+
+	private int GetClosestColor(int red, int green, int blue)
+	{
+		Color key = Color.FromArgb(red, green, blue);
+		if (useCaching && cache.ContainsKey(key))
+		{
+			return cache[key];
+		}
+		int num = 0;
+		int num2 = int.MaxValue;
+		int i = 0;
+		for (int num3 = paletteToUse.Length; i < num3; i++)
+		{
+			int num4 = red - paletteToUse[i].R;
+			int num5 = green - paletteToUse[i].G;
+			int num6 = blue - paletteToUse[i].B;
+			int num7 = num4 * num4 + num5 * num5 + num6 * num6;
+			if (num7 < num2)
+			{
+				num2 = num7;
+				num = (byte)i;
+			}
+		}
+		if (useCaching)
+		{
+			cache.Add(key, num);
+		}
+		return num;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/ErrorDiffusionColorDithering.cs

@@ -0,0 +1,204 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.ColorReduction;
+
+public abstract class ErrorDiffusionColorDithering
+{
+	private bool useCaching;
+
+	protected int x;
+
+	protected int y;
+
+	protected int width;
+
+	protected int height;
+
+	protected int stride;
+
+	protected int pixelSize;
+
+	private Color[] colorTable = new Color[16]
+	{
+		Color.Black,
+		Color.DarkBlue,
+		Color.DarkGreen,
+		Color.DarkCyan,
+		Color.DarkRed,
+		Color.DarkMagenta,
+		Color.DarkKhaki,
+		Color.LightGray,
+		Color.Gray,
+		Color.Blue,
+		Color.Green,
+		Color.Cyan,
+		Color.Red,
+		Color.Magenta,
+		Color.Yellow,
+		Color.White
+	};
+
+	[NonSerialized]
+	private Dictionary<Color, byte> cache = new Dictionary<Color, byte>();
+
+	public Color[] ColorTable
+	{
+		get
+		{
+			return colorTable;
+		}
+		set
+		{
+			if (colorTable.Length < 2 || colorTable.Length > 256)
+			{
+				throw new ArgumentException("Color table length must be in the [2, 256] range.");
+			}
+			colorTable = value;
+		}
+	}
+
+	public bool UseCaching
+	{
+		get
+		{
+			return useCaching;
+		}
+		set
+		{
+			useCaching = value;
+		}
+	}
+
+	protected unsafe abstract void Diffuse(int rError, int gError, int bError, byte* ptr);
+
+	public Bitmap Apply(Bitmap sourceImage)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = sourceImage.LockBits(new Rectangle(0, 0, ((Image)sourceImage).Width, ((Image)sourceImage).Height), (ImageLockMode)1, ((Image)sourceImage).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			val2 = Apply(new UnmanagedImage(val));
+			if (((Image)sourceImage).HorizontalResolution > 0f && ((Image)sourceImage).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)sourceImage).HorizontalResolution, ((Image)sourceImage).VerticalResolution);
+			}
+		}
+		finally
+		{
+			sourceImage.UnlockBits(val);
+		}
+		return val2;
+	}
+
+	public unsafe Bitmap Apply(UnmanagedImage sourceImage)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		//IL_0077: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Invalid comparison between Unknown and I4
+		//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0025: Invalid comparison between Unknown and I4
+		//IL_00c1: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00c7: Expected O, but got Unknown
+		//IL_0028: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0032: Invalid comparison between Unknown and I4
+		//IL_012a: Unknown result type (might be due to invalid IL or missing references)
+		if ((int)sourceImage.PixelFormat != 137224 && (int)sourceImage.PixelFormat != 139273 && (int)sourceImage.PixelFormat != 2498570 && (int)sourceImage.PixelFormat != 925707)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
+		}
+		cache.Clear();
+		UnmanagedImage unmanagedImage = sourceImage.Clone();
+		width = sourceImage.Width;
+		height = sourceImage.Height;
+		stride = sourceImage.Stride;
+		pixelSize = Image.GetPixelFormatSize(sourceImage.PixelFormat) / 8;
+		int num = stride - width * pixelSize;
+		Bitmap val = new Bitmap(width, height, (PixelFormat)((colorTable.Length > 16) ? 198659 : 197634));
+		ColorPalette palette = ((Image)val).Palette;
+		int i = 0;
+		for (int num2 = colorTable.Length; i < num2; i++)
+		{
+			ref Color reference = ref palette.Entries[i];
+			reference = colorTable[i];
+		}
+		((Image)val).Palette = palette;
+		BitmapData val2 = val.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, ((Image)val).PixelFormat);
+		byte* ptr = (byte*)unmanagedImage.ImageData.ToPointer();
+		byte* ptr2 = (byte*)val2.Scan0.ToPointer();
+		bool flag = colorTable.Length > 16;
+		for (y = 0; y < height; y++)
+		{
+			byte* ptr3 = ptr2 + (nint)y * (nint)val2.Stride;
+			x = 0;
+			while (x < width)
+			{
+				int num3 = ptr[2];
+				int num4 = ptr[1];
+				int num5 = *ptr;
+				byte colorIndex;
+				Color closestColor = GetClosestColor(num3, num4, num5, out colorIndex);
+				Diffuse(num3 - closestColor.R, num4 - closestColor.G, num5 - closestColor.B, ptr);
+				if (flag)
+				{
+					*ptr3 = colorIndex;
+					ptr3++;
+				}
+				else if (x % 2 == 0)
+				{
+					byte* intPtr = ptr3;
+					*intPtr |= (byte)(colorIndex << 4);
+				}
+				else
+				{
+					byte* intPtr2 = ptr3;
+					*intPtr2 |= colorIndex;
+					ptr3++;
+				}
+				x++;
+				ptr += pixelSize;
+			}
+			ptr += num;
+		}
+		val.UnlockBits(val2);
+		unmanagedImage.Dispose();
+		return val;
+	}
+
+	private Color GetClosestColor(int red, int green, int blue, out byte colorIndex)
+	{
+		Color key = Color.FromArgb(red, green, blue);
+		if (useCaching && cache.ContainsKey(key))
+		{
+			colorIndex = cache[key];
+		}
+		else
+		{
+			colorIndex = 0;
+			int num = int.MaxValue;
+			int i = 0;
+			for (int num2 = colorTable.Length; i < num2; i++)
+			{
+				int num3 = red - colorTable[i].R;
+				int num4 = green - colorTable[i].G;
+				int num5 = blue - colorTable[i].B;
+				int num6 = num3 * num3 + num4 * num4 + num5 * num5;
+				if (num6 < num)
+				{
+					num = num6;
+					colorIndex = (byte)i;
+				}
+			}
+			if (useCaching)
+			{
+				cache.Add(key, colorIndex);
+			}
+		}
+		return colorTable[colorIndex];
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/FloydSteinbergColorDithering.cs

@@ -0,0 +1,13 @@
+namespace AForge.Imaging.ColorReduction;
+
+public sealed class FloydSteinbergColorDithering : ColorErrorDiffusionToAdjacentNeighbors
+{
+	public FloydSteinbergColorDithering()
+		: base(new int[2][]
+		{
+			new int[1] { 7 },
+			new int[3] { 3, 5, 1 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/IColorQuantizer.cs

@@ -0,0 +1,12 @@
+using System.Drawing;
+
+namespace AForge.Imaging.ColorReduction;
+
+public interface IColorQuantizer
+{
+	void AddColor(Color color);
+
+	Color[] GetPalette(int colorCount);
+
+	void Clear();
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/JarvisJudiceNinkeColorDithering.cs

@@ -0,0 +1,14 @@
+namespace AForge.Imaging.ColorReduction;
+
+public sealed class JarvisJudiceNinkeColorDithering : ColorErrorDiffusionToAdjacentNeighbors
+{
+	public JarvisJudiceNinkeColorDithering()
+		: base(new int[3][]
+		{
+			new int[2] { 7, 5 },
+			new int[5] { 3, 5, 7, 5, 3 },
+			new int[5] { 1, 3, 5, 3, 1 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/MedianCutCube.cs

@@ -0,0 +1,134 @@
+using System.Collections.Generic;
+using System.Drawing;
+
+namespace AForge.Imaging.ColorReduction;
+
+internal class MedianCutCube
+{
+	private class RedComparer : IComparer<Color>
+	{
+		public int Compare(Color c1, Color c2)
+		{
+			return c1.R.CompareTo(c2.R);
+		}
+	}
+
+	private class GreenComparer : IComparer<Color>
+	{
+		public int Compare(Color c1, Color c2)
+		{
+			return c1.G.CompareTo(c2.G);
+		}
+	}
+
+	private class BlueComparer : IComparer<Color>
+	{
+		public int Compare(Color c1, Color c2)
+		{
+			return c1.B.CompareTo(c2.B);
+		}
+	}
+
+	private List<Color> colors;
+
+	private readonly byte minR;
+
+	private readonly byte maxR;
+
+	private readonly byte minG;
+
+	private readonly byte maxG;
+
+	private readonly byte minB;
+
+	private readonly byte maxB;
+
+	private Color? cubeColor = null;
+
+	public int RedSize => maxR - minR;
+
+	public int GreenSize => maxG - minG;
+
+	public int BlueSize => maxB - minB;
+
+	public Color Color
+	{
+		get
+		{
+			if (!cubeColor.HasValue)
+			{
+				int num = 0;
+				int num2 = 0;
+				int num3 = 0;
+				foreach (Color color in colors)
+				{
+					num += color.R;
+					num2 += color.G;
+					num3 += color.B;
+				}
+				int count = colors.Count;
+				if (count != 0)
+				{
+					num /= count;
+					num2 /= count;
+					num3 /= count;
+				}
+				cubeColor = Color.FromArgb(num, num2, num3);
+			}
+			return cubeColor.Value;
+		}
+	}
+
+	public MedianCutCube(List<Color> colors)
+	{
+		this.colors = colors;
+		minR = (minG = (minB = byte.MaxValue));
+		maxR = (maxG = (maxB = 0));
+		foreach (Color color in colors)
+		{
+			if (color.R < minR)
+			{
+				minR = color.R;
+			}
+			if (color.R > maxR)
+			{
+				maxR = color.R;
+			}
+			if (color.G < minG)
+			{
+				minG = color.G;
+			}
+			if (color.G > maxG)
+			{
+				maxG = color.G;
+			}
+			if (color.B < minB)
+			{
+				minB = color.B;
+			}
+			if (color.B > maxB)
+			{
+				maxB = color.B;
+			}
+		}
+	}
+
+	public void SplitAtMedian(int rgbComponent, out MedianCutCube cube1, out MedianCutCube cube2)
+	{
+		switch (rgbComponent)
+		{
+		case 2:
+			colors.Sort(new RedComparer());
+			break;
+		case 1:
+			colors.Sort(new GreenComparer());
+			break;
+		case 0:
+			colors.Sort(new BlueComparer());
+			break;
+		}
+		int num = colors.Count / 2;
+		cube1 = new MedianCutCube(colors.GetRange(0, num));
+		cube2 = new MedianCutCube(colors.GetRange(num, colors.Count - num));
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/MedianCutQuantizer.cs

@@ -0,0 +1,63 @@
+using System.Collections.Generic;
+using System.Drawing;
+
+namespace AForge.Imaging.ColorReduction;
+
+public class MedianCutQuantizer : IColorQuantizer
+{
+	private List<Color> colors = new List<Color>();
+
+	public void AddColor(Color color)
+	{
+		colors.Add(color);
+	}
+
+	public Color[] GetPalette(int colorCount)
+	{
+		List<MedianCutCube> list = new List<MedianCutCube>();
+		list.Add(new MedianCutCube(colors));
+		SplitCubes(list, colorCount);
+		Color[] array = new Color[colorCount];
+		for (int i = 0; i < colorCount; i++)
+		{
+			ref Color reference = ref array[i];
+			reference = list[i].Color;
+		}
+		return array;
+	}
+
+	public void Clear()
+	{
+		colors.Clear();
+	}
+
+	private void SplitCubes(List<MedianCutCube> cubes, int count)
+	{
+		int num = cubes.Count - 1;
+		while (cubes.Count < count)
+		{
+			MedianCutCube medianCutCube = cubes[num];
+			MedianCutCube cube;
+			MedianCutCube cube2;
+			if (medianCutCube.RedSize >= medianCutCube.GreenSize && medianCutCube.RedSize >= medianCutCube.BlueSize)
+			{
+				medianCutCube.SplitAtMedian(2, out cube, out cube2);
+			}
+			else if (medianCutCube.GreenSize >= medianCutCube.BlueSize)
+			{
+				medianCutCube.SplitAtMedian(1, out cube, out cube2);
+			}
+			else
+			{
+				medianCutCube.SplitAtMedian(0, out cube, out cube2);
+			}
+			cubes.RemoveAt(num);
+			cubes.Insert(num, cube);
+			cubes.Insert(num, cube2);
+			if (--num < 0)
+			{
+				num = cubes.Count - 1;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/OrderedColorDithering.cs

@@ -0,0 +1,232 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.ColorReduction;
+
+public class OrderedColorDithering
+{
+	private bool useCaching;
+
+	private Color[] colorTable = new Color[16]
+	{
+		Color.Black,
+		Color.DarkBlue,
+		Color.DarkGreen,
+		Color.DarkCyan,
+		Color.DarkRed,
+		Color.DarkMagenta,
+		Color.DarkKhaki,
+		Color.LightGray,
+		Color.Gray,
+		Color.Blue,
+		Color.Green,
+		Color.Cyan,
+		Color.Red,
+		Color.Magenta,
+		Color.Yellow,
+		Color.White
+	};
+
+	private byte[,] matrix = new byte[4, 4]
+	{
+		{ 2, 18, 6, 22 },
+		{ 26, 10, 30, 14 },
+		{ 8, 24, 4, 20 },
+		{ 32, 16, 28, 12 }
+	};
+
+	[NonSerialized]
+	private Dictionary<Color, byte> cache = new Dictionary<Color, byte>();
+
+	public byte[,] ThresholdMatrix
+	{
+		get
+		{
+			return (byte[,])matrix.Clone();
+		}
+		set
+		{
+			if (value == null)
+			{
+				throw new NullReferenceException("Threshold matrix cannot be set to null.");
+			}
+			matrix = value;
+		}
+	}
+
+	public Color[] ColorTable
+	{
+		get
+		{
+			return colorTable;
+		}
+		set
+		{
+			if (colorTable.Length < 2 || colorTable.Length > 256)
+			{
+				throw new ArgumentException("Color table length must be in the [2, 256] range.");
+			}
+			colorTable = value;
+		}
+	}
+
+	public bool UseCaching
+	{
+		get
+		{
+			return useCaching;
+		}
+		set
+		{
+			useCaching = value;
+		}
+	}
+
+	public OrderedColorDithering()
+	{
+	}
+
+	public OrderedColorDithering(byte[,] matrix)
+	{
+		ThresholdMatrix = matrix;
+	}
+
+	public Bitmap Apply(Bitmap sourceImage)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = sourceImage.LockBits(new Rectangle(0, 0, ((Image)sourceImage).Width, ((Image)sourceImage).Height), (ImageLockMode)1, ((Image)sourceImage).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			val2 = Apply(new UnmanagedImage(val));
+			if (((Image)sourceImage).HorizontalResolution > 0f && ((Image)sourceImage).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)sourceImage).HorizontalResolution, ((Image)sourceImage).VerticalResolution);
+			}
+		}
+		finally
+		{
+			sourceImage.UnlockBits(val);
+		}
+		return val2;
+	}
+
+	public unsafe Bitmap Apply(UnmanagedImage sourceImage)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		//IL_0060: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Invalid comparison between Unknown and I4
+		//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0025: Invalid comparison between Unknown and I4
+		//IL_0087: Unknown result type (might be due to invalid IL or missing references)
+		//IL_008e: Expected O, but got Unknown
+		//IL_0028: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0032: Invalid comparison between Unknown and I4
+		//IL_00ee: Unknown result type (might be due to invalid IL or missing references)
+		if ((int)sourceImage.PixelFormat != 137224 && (int)sourceImage.PixelFormat != 139273 && (int)sourceImage.PixelFormat != 2498570 && (int)sourceImage.PixelFormat != 925707)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
+		}
+		cache.Clear();
+		int width = sourceImage.Width;
+		int height = sourceImage.Height;
+		int stride = sourceImage.Stride;
+		int num = Image.GetPixelFormatSize(sourceImage.PixelFormat) / 8;
+		Bitmap val = new Bitmap(width, height, (PixelFormat)((colorTable.Length > 16) ? 198659 : 197634));
+		ColorPalette palette = ((Image)val).Palette;
+		int i = 0;
+		for (int num2 = colorTable.Length; i < num2; i++)
+		{
+			ref Color reference = ref palette.Entries[i];
+			reference = colorTable[i];
+		}
+		((Image)val).Palette = palette;
+		BitmapData val2 = val.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, ((Image)val).PixelFormat);
+		int length = matrix.GetLength(0);
+		int length2 = matrix.GetLength(1);
+		byte* ptr = (byte*)sourceImage.ImageData.ToPointer();
+		byte* ptr2 = (byte*)val2.Scan0.ToPointer();
+		bool flag = colorTable.Length > 16;
+		for (int j = 0; j < height; j++)
+		{
+			byte* ptr3 = ptr2 + (nint)j * (nint)val2.Stride;
+			int num3 = 0;
+			while (num3 < width)
+			{
+				int num4 = matrix[j % length, num3 % length2];
+				int num5 = ptr[2] + num4;
+				int num6 = ptr[1] + num4;
+				int num7 = *ptr + num4;
+				if (num5 > 255)
+				{
+					num5 = 255;
+				}
+				if (num6 > 255)
+				{
+					num6 = 255;
+				}
+				if (num7 > 255)
+				{
+					num7 = 255;
+				}
+				GetClosestColor(num5, num6, num7, out var colorIndex);
+				if (flag)
+				{
+					*ptr3 = colorIndex;
+					ptr3++;
+				}
+				else if (num3 % 2 == 0)
+				{
+					byte* intPtr = ptr3;
+					*intPtr |= (byte)(colorIndex << 4);
+				}
+				else
+				{
+					byte* intPtr2 = ptr3;
+					*intPtr2 |= colorIndex;
+					ptr3++;
+				}
+				num3++;
+				ptr += num;
+			}
+		}
+		val.UnlockBits(val2);
+		return val;
+	}
+
+	private Color GetClosestColor(int red, int green, int blue, out byte colorIndex)
+	{
+		Color key = Color.FromArgb(red, green, blue);
+		if (useCaching && cache.ContainsKey(key))
+		{
+			colorIndex = cache[key];
+		}
+		else
+		{
+			colorIndex = 0;
+			int num = int.MaxValue;
+			int i = 0;
+			for (int num2 = colorTable.Length; i < num2; i++)
+			{
+				int num3 = red - colorTable[i].R;
+				int num4 = green - colorTable[i].G;
+				int num5 = blue - colorTable[i].B;
+				int num6 = num3 * num3 + num4 * num4 + num5 * num5;
+				if (num6 < num)
+				{
+					num = num6;
+					colorIndex = (byte)i;
+				}
+			}
+			if (useCaching)
+			{
+				cache.Add(key, colorIndex);
+			}
+		}
+		return colorTable[colorIndex];
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/SierraColorDithering.cs

@@ -0,0 +1,14 @@
+namespace AForge.Imaging.ColorReduction;
+
+public sealed class SierraColorDithering : ColorErrorDiffusionToAdjacentNeighbors
+{
+	public SierraColorDithering()
+		: base(new int[3][]
+		{
+			new int[2] { 5, 3 },
+			new int[5] { 2, 4, 5, 4, 2 },
+			new int[3] { 2, 3, 2 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ColorReduction/StuckiColorDithering.cs

@@ -0,0 +1,14 @@
+namespace AForge.Imaging.ColorReduction;
+
+public sealed class StuckiColorDithering : ColorErrorDiffusionToAdjacentNeighbors
+{
+	public StuckiColorDithering()
+		: base(new int[3][]
+		{
+			new int[2] { 8, 4 },
+			new int[5] { 2, 4, 8, 4, 2 },
+			new int[5] { 1, 2, 4, 2, 1 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ComplexFilters/FrequencyFilter.cs

@@ -0,0 +1,59 @@
+using System;
+using AForge.Math;
+
+namespace AForge.Imaging.ComplexFilters;
+
+public class FrequencyFilter : IComplexFilter
+{
+	private IntRange frequencyRange = new IntRange(0, 1024);
+
+	public IntRange FrequencyRange
+	{
+		get
+		{
+			return frequencyRange;
+		}
+		set
+		{
+			frequencyRange = value;
+		}
+	}
+
+	public FrequencyFilter()
+	{
+	}
+
+	public FrequencyFilter(IntRange frequencyRange)
+	{
+		this.frequencyRange = frequencyRange;
+	}
+
+	public void Apply(ComplexImage complexImage)
+	{
+		if (!complexImage.FourierTransformed)
+		{
+			throw new ArgumentException("The source complex image should be Fourier transformed.");
+		}
+		int width = complexImage.Width;
+		int height = complexImage.Height;
+		int num = width >> 1;
+		int num2 = height >> 1;
+		int min = frequencyRange.Min;
+		int max = frequencyRange.Max;
+		Complex[,] data = complexImage.Data;
+		for (int i = 0; i < height; i++)
+		{
+			int num3 = i - num2;
+			for (int j = 0; j < width; j++)
+			{
+				int num4 = j - num;
+				int num5 = (int)System.Math.Sqrt(num4 * num4 + num3 * num3);
+				if (num5 > max || num5 < min)
+				{
+					data[i, j].Re = 0.0;
+					data[i, j].Im = 0.0;
+				}
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ComplexFilters/IComplexFilter.cs

@@ -0,0 +1,6 @@
+namespace AForge.Imaging.ComplexFilters;
+
+public interface IComplexFilter
+{
+	void Apply(ComplexImage complexImage);
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ComplexImage.cs

@@ -0,0 +1,164 @@
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+using AForge.Math;
+
+namespace AForge.Imaging;
+
+public class ComplexImage : ICloneable
+{
+	private Complex[,] data;
+
+	private int width;
+
+	private int height;
+
+	private bool fourierTransformed;
+
+	public int Width => width;
+
+	public int Height => height;
+
+	public bool FourierTransformed => fourierTransformed;
+
+	public Complex[,] Data => data;
+
+	protected ComplexImage(int width, int height)
+	{
+		this.width = width;
+		this.height = height;
+		data = new Complex[height, width];
+		fourierTransformed = false;
+	}
+
+	public object Clone()
+	{
+		ComplexImage complexImage = new ComplexImage(width, height);
+		Complex[,] array = complexImage.data;
+		for (int i = 0; i < height; i++)
+		{
+			for (int j = 0; j < width; j++)
+			{
+				ref Complex reference = ref array[i, j];
+				reference = data[i, j];
+			}
+		}
+		complexImage.fourierTransformed = fourierTransformed;
+		return complexImage;
+	}
+
+	public static ComplexImage FromBitmap(Bitmap image)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		if ((int)((Image)image).PixelFormat != 198659)
+		{
+			throw new UnsupportedImageFormatException("Source image can be graysclae (8bpp indexed) image only.");
+		}
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, (PixelFormat)198659);
+		try
+		{
+			return FromBitmap(val);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public unsafe static ComplexImage FromBitmap(BitmapData imageData)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		if ((int)imageData.PixelFormat != 198659)
+		{
+			throw new UnsupportedImageFormatException("Source image can be graysclae (8bpp indexed) image only.");
+		}
+		int num = imageData.Width;
+		int num2 = imageData.Height;
+		int num3 = imageData.Stride - num;
+		if (!Tools.IsPowerOf2(num) || !Tools.IsPowerOf2(num2))
+		{
+			throw new InvalidImagePropertiesException("Image width and height should be power of 2.");
+		}
+		ComplexImage complexImage = new ComplexImage(num, num2);
+		Complex[,] array = complexImage.data;
+		byte* ptr = (byte*)imageData.Scan0.ToPointer();
+		for (int i = 0; i < num2; i++)
+		{
+			int num4 = 0;
+			while (num4 < num)
+			{
+				array[i, num4].Re = (float)(int)(*ptr) / 255f;
+				num4++;
+				ptr++;
+			}
+			ptr += num3;
+		}
+		return complexImage;
+	}
+
+	public unsafe Bitmap ToBitmap()
+	{
+		Bitmap val = Image.CreateGrayscaleImage(width, height);
+		BitmapData val2 = val.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, (PixelFormat)198659);
+		int num = val2.Stride - width;
+		double num2 = (fourierTransformed ? System.Math.Sqrt(width * height) : 1.0);
+		byte* ptr = (byte*)val2.Scan0.ToPointer();
+		for (int i = 0; i < height; i++)
+		{
+			int num3 = 0;
+			while (num3 < width)
+			{
+				*ptr = (byte)System.Math.Max(0.0, System.Math.Min(255.0, data[i, num3].Magnitude * num2 * 255.0));
+				num3++;
+				ptr++;
+			}
+			ptr += num;
+		}
+		val.UnlockBits(val2);
+		return val;
+	}
+
+	public void ForwardFourierTransform()
+	{
+		if (fourierTransformed)
+		{
+			return;
+		}
+		for (int i = 0; i < height; i++)
+		{
+			for (int j = 0; j < width; j++)
+			{
+				if (((j + i) & 1) != 0)
+				{
+					data[i, j].Re *= -1.0;
+					data[i, j].Im *= -1.0;
+				}
+			}
+		}
+		FourierTransform.FFT2(data, FourierTransform.Direction.Forward);
+		fourierTransformed = true;
+	}
+
+	public void BackwardFourierTransform()
+	{
+		if (!fourierTransformed)
+		{
+			return;
+		}
+		FourierTransform.FFT2(data, FourierTransform.Direction.Backward);
+		fourierTransformed = false;
+		for (int i = 0; i < height; i++)
+		{
+			for (int j = 0; j < width; j++)
+			{
+				if (((j + i) & 1) != 0)
+				{
+					data[i, j].Re *= -1.0;
+					data[i, j].Im *= -1.0;
+				}
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/DocumentSkewChecker.cs

@@ -0,0 +1,295 @@
+using System;
+using System.Collections;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging;
+
+public class DocumentSkewChecker
+{
+	private int stepsPerDegree;
+
+	private int houghHeight;
+
+	private double thetaStep;
+
+	private double maxSkewToDetect;
+
+	private double[] sinMap;
+
+	private double[] cosMap;
+
+	private bool needToInitialize = true;
+
+	private short[,] houghMap;
+
+	private short maxMapIntensity;
+
+	private int localPeakRadius = 4;
+
+	private ArrayList lines = new ArrayList();
+
+	public int StepsPerDegree
+	{
+		get
+		{
+			return stepsPerDegree;
+		}
+		set
+		{
+			stepsPerDegree = System.Math.Max(1, System.Math.Min(10, value));
+			needToInitialize = true;
+		}
+	}
+
+	public double MaxSkewToDetect
+	{
+		get
+		{
+			return maxSkewToDetect;
+		}
+		set
+		{
+			maxSkewToDetect = System.Math.Max(0.0, System.Math.Min(45.0, value));
+			needToInitialize = true;
+		}
+	}
+
+	[Obsolete("The property is deprecated and setting it has not any effect. Use MaxSkewToDetect property instead.")]
+	public double MinBeta
+	{
+		get
+		{
+			return 0.0 - maxSkewToDetect;
+		}
+		set
+		{
+		}
+	}
+
+	[Obsolete("The property is deprecated and setting it has not any effect. Use MaxSkewToDetect property instead.")]
+	public double MaxBeta
+	{
+		get
+		{
+			return maxSkewToDetect;
+		}
+		set
+		{
+		}
+	}
+
+	public int LocalPeakRadius
+	{
+		get
+		{
+			return localPeakRadius;
+		}
+		set
+		{
+			localPeakRadius = System.Math.Max(1, System.Math.Min(10, value));
+		}
+	}
+
+	public DocumentSkewChecker()
+	{
+		StepsPerDegree = 10;
+		MaxSkewToDetect = 30.0;
+	}
+
+	public double GetSkewAngle(Bitmap image)
+	{
+		return GetSkewAngle(image, new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height));
+	}
+
+	public double GetSkewAngle(Bitmap image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		if ((int)((Image)image).PixelFormat != 198659)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
+		}
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, (PixelFormat)198659);
+		try
+		{
+			return GetSkewAngle(new UnmanagedImage(val), rect);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public double GetSkewAngle(BitmapData imageData)
+	{
+		return GetSkewAngle(new UnmanagedImage(imageData), new Rectangle(0, 0, imageData.Width, imageData.Height));
+	}
+
+	public double GetSkewAngle(BitmapData imageData, Rectangle rect)
+	{
+		return GetSkewAngle(new UnmanagedImage(imageData), rect);
+	}
+
+	public double GetSkewAngle(UnmanagedImage image)
+	{
+		return GetSkewAngle(image, new Rectangle(0, 0, image.Width, image.Height));
+	}
+
+	public unsafe double GetSkewAngle(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		if ((int)image.PixelFormat != 198659)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
+		}
+		InitHoughMap();
+		int width = image.Width;
+		int height = image.Height;
+		int num = width / 2;
+		int num2 = height / 2;
+		rect.Intersect(new Rectangle(0, 0, width, height));
+		int num3 = -num + rect.Left;
+		int num4 = -num2 + rect.Top;
+		int num5 = width - num - (width - rect.Right);
+		int num6 = height - num2 - (height - rect.Bottom) - 1;
+		int num7 = image.Stride - rect.Width;
+		int num8 = (int)System.Math.Sqrt(num * num + num2 * num2);
+		int num9 = num8 * 2;
+		houghMap = new short[houghHeight, num9];
+		byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)rect.Top * (nint)image.Stride + rect.Left;
+		byte* ptr2 = ptr + image.Stride;
+		for (int i = num4; i < num6; i++)
+		{
+			int num10 = num3;
+			while (num10 < num5)
+			{
+				if (*ptr < 128 && *ptr2 >= 128)
+				{
+					for (int j = 0; j < houghHeight; j++)
+					{
+						int num11 = (int)(cosMap[j] * (double)num10 - sinMap[j] * (double)i) + num8;
+						if (num11 >= 0 && num11 < num9)
+						{
+							houghMap[j, num11]++;
+						}
+					}
+				}
+				num10++;
+				ptr++;
+				ptr2++;
+			}
+			ptr += num7;
+			ptr2 += num7;
+		}
+		maxMapIntensity = 0;
+		for (int k = 0; k < houghHeight; k++)
+		{
+			for (int l = 0; l < num9; l++)
+			{
+				if (houghMap[k, l] > maxMapIntensity)
+				{
+					maxMapIntensity = houghMap[k, l];
+				}
+			}
+		}
+		CollectLines((short)(width / 10));
+		HoughLine[] mostIntensiveLines = GetMostIntensiveLines(5);
+		double num12 = 0.0;
+		double num13 = 0.0;
+		HoughLine[] array = mostIntensiveLines;
+		foreach (HoughLine houghLine in array)
+		{
+			if (houghLine.RelativeIntensity > 0.5)
+			{
+				num12 += houghLine.Theta * houghLine.RelativeIntensity;
+				num13 += houghLine.RelativeIntensity;
+			}
+		}
+		if (mostIntensiveLines.Length > 0)
+		{
+			num12 /= num13;
+		}
+		return num12 - 90.0;
+	}
+
+	private HoughLine[] GetMostIntensiveLines(int count)
+	{
+		int num = System.Math.Min(count, lines.Count);
+		HoughLine[] array = new HoughLine[num];
+		lines.CopyTo(0, array, 0, num);
+		return array;
+	}
+
+	private void CollectLines(short minLineIntensity)
+	{
+		int length = houghMap.GetLength(0);
+		int length2 = houghMap.GetLength(1);
+		int num = length2 >> 1;
+		lines.Clear();
+		for (int i = 0; i < length; i++)
+		{
+			for (int j = 0; j < length2; j++)
+			{
+				short num2 = houghMap[i, j];
+				if (num2 < minLineIntensity)
+				{
+					continue;
+				}
+				bool flag = false;
+				int k = i - localPeakRadius;
+				for (int num3 = i + localPeakRadius; k < num3; k++)
+				{
+					if (k < 0)
+					{
+						continue;
+					}
+					if (k >= length || flag)
+					{
+						break;
+					}
+					int l = j - localPeakRadius;
+					for (int num4 = j + localPeakRadius; l < num4; l++)
+					{
+						if (l >= 0)
+						{
+							if (l >= length2)
+							{
+								break;
+							}
+							if (houghMap[k, l] > num2)
+							{
+								flag = true;
+								break;
+							}
+						}
+					}
+				}
+				if (!flag)
+				{
+					lines.Add(new HoughLine(90.0 - maxSkewToDetect + (double)i / (double)stepsPerDegree, (short)(j - num), num2, (double)num2 / (double)maxMapIntensity));
+				}
+			}
+		}
+		lines.Sort();
+	}
+
+	private void InitHoughMap()
+	{
+		if (needToInitialize)
+		{
+			needToInitialize = false;
+			houghHeight = (int)(2.0 * maxSkewToDetect * (double)stepsPerDegree);
+			thetaStep = 2.0 * maxSkewToDetect * System.Math.PI / 180.0 / (double)houghHeight;
+			sinMap = new double[houghHeight];
+			cosMap = new double[houghHeight];
+			double num = 90.0 - maxSkewToDetect;
+			for (int i = 0; i < houghHeight; i++)
+			{
+				sinMap[i] = System.Math.Sin(num * System.Math.PI / 180.0 + (double)i * thetaStep);
+				cosMap[i] = System.Math.Cos(num * System.Math.PI / 180.0 + (double)i * thetaStep);
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Drawing.cs

@@ -0,0 +1,381 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging;
+
+public static class Drawing
+{
+	public static void FillRectangle(BitmapData imageData, Rectangle rectangle, Color color)
+	{
+		FillRectangle(new UnmanagedImage(imageData), rectangle, color);
+	}
+
+	public unsafe static void FillRectangle(UnmanagedImage image, Rectangle rectangle, Color color)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00c5: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00cf: Invalid comparison between Unknown and I4
+		//IL_013b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0145: Invalid comparison between Unknown and I4
+		CheckPixelFormat(image.PixelFormat);
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int width = image.Width;
+		int height = image.Height;
+		int stride = image.Stride;
+		int x = rectangle.X;
+		int y = rectangle.Y;
+		int num2 = rectangle.X + rectangle.Width - 1;
+		int num3 = rectangle.Y + rectangle.Height - 1;
+		if (x >= width || y >= height || num2 < 0 || num3 < 0)
+		{
+			return;
+		}
+		int num4 = System.Math.Max(0, x);
+		int num5 = System.Math.Min(width - 1, num2);
+		int num6 = System.Math.Max(0, y);
+		int num7 = System.Math.Min(height - 1, num3);
+		byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)num6 * (nint)stride + (nint)num4 * (nint)num;
+		if ((int)image.PixelFormat == 198659)
+		{
+			byte filler = (byte)(0.2125 * (double)(int)color.R + 0.7154 * (double)(int)color.G + 0.0721 * (double)(int)color.B);
+			int count = num5 - num4 + 1;
+			for (int i = num6; i <= num7; i++)
+			{
+				SystemTools.SetUnmanagedMemory(ptr, filler, count);
+				ptr += stride;
+			}
+			return;
+		}
+		if ((int)image.PixelFormat == 2498570)
+		{
+			double num8 = (double)(int)color.A / 255.0;
+			double num9 = 1.0 - num8;
+			double num10 = num8 * (double)(int)color.R;
+			double num11 = num8 * (double)(int)color.G;
+			double num12 = num8 * (double)(int)color.B;
+			int num13 = stride - (num5 - num4 + 1) * 4;
+			for (int j = num6; j <= num7; j++)
+			{
+				int num14 = num4;
+				while (num14 <= num5)
+				{
+					double num15 = (double)(int)ptr[3] / 255.0 * num9;
+					ptr[2] = (byte)(num10 + num15 * (double)(int)ptr[2]);
+					ptr[1] = (byte)(num11 + num15 * (double)(int)ptr[1]);
+					*ptr = (byte)(num12 + num15 * (double)(int)(*ptr));
+					ptr[3] = (byte)(255.0 * (num8 + num15));
+					num14++;
+					ptr += 4;
+				}
+				ptr += num13;
+			}
+			return;
+		}
+		byte r = color.R;
+		byte g = color.G;
+		byte b = color.B;
+		int num16 = stride - (num5 - num4 + 1) * num;
+		if (color.A == byte.MaxValue)
+		{
+			for (int k = num6; k <= num7; k++)
+			{
+				int num17 = num4;
+				while (num17 <= num5)
+				{
+					ptr[2] = r;
+					ptr[1] = g;
+					*ptr = b;
+					num17++;
+					ptr += num;
+				}
+				ptr += num16;
+			}
+			return;
+		}
+		int a = color.A;
+		int num18 = 255 - a;
+		int num19 = a * color.R;
+		int num20 = a * color.G;
+		int num21 = a * color.B;
+		for (int l = num6; l <= num7; l++)
+		{
+			int num22 = num4;
+			while (num22 <= num5)
+			{
+				ptr[2] = (byte)((num19 + num18 * ptr[2]) / 255);
+				ptr[1] = (byte)((num20 + num18 * ptr[1]) / 255);
+				*ptr = (byte)((num21 + num18 * *ptr) / 255);
+				num22++;
+				ptr += num;
+			}
+			ptr += num16;
+		}
+	}
+
+	public static void Rectangle(BitmapData imageData, Rectangle rectangle, Color color)
+	{
+		Rectangle(new UnmanagedImage(imageData), rectangle, color);
+	}
+
+	public static void Rectangle(UnmanagedImage image, Rectangle rectangle, Color color)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
+		CheckPixelFormat(image.PixelFormat);
+		_ = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int width = image.Width;
+		int height = image.Height;
+		_ = image.Stride;
+		int x = rectangle.X;
+		int y = rectangle.Y;
+		int num = rectangle.X + rectangle.Width - 1;
+		int num2 = rectangle.Y + rectangle.Height - 1;
+		if (x < width && y < height && num >= 0 && num2 >= 0)
+		{
+			Line(image, new IntPoint(x, y), new IntPoint(num, y), color);
+			Line(image, new IntPoint(num, num2), new IntPoint(x, num2), color);
+			Line(image, new IntPoint(num, y + 1), new IntPoint(num, num2 - 1), color);
+			Line(image, new IntPoint(x, num2 - 1), new IntPoint(x, y + 1), color);
+		}
+	}
+
+	public static void Line(BitmapData imageData, IntPoint point1, IntPoint point2, Color color)
+	{
+		Line(new UnmanagedImage(imageData), point1, point2, color);
+	}
+
+	public unsafe static void Line(UnmanagedImage image, IntPoint point1, IntPoint point2, Color color)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_010c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0116: Invalid comparison between Unknown and I4
+		//IL_045d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0467: Invalid comparison between Unknown and I4
+		//IL_0226: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0230: Invalid comparison between Unknown and I4
+		//IL_04b0: Unknown result type (might be due to invalid IL or missing references)
+		//IL_04ba: Invalid comparison between Unknown and I4
+		//IL_0279: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0283: Invalid comparison between Unknown and I4
+		CheckPixelFormat(image.PixelFormat);
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int width = image.Width;
+		int height = image.Height;
+		int stride = image.Stride;
+		if ((point1.X < 0 && point2.X < 0) || (point1.Y < 0 && point2.Y < 0) || (point1.X >= width && point2.X >= width) || (point1.Y >= height && point2.Y >= height))
+		{
+			return;
+		}
+		CheckEndPoint(width, height, point1, ref point2);
+		CheckEndPoint(width, height, point2, ref point1);
+		if ((point1.X < 0 && point2.X < 0) || (point1.Y < 0 && point2.Y < 0) || (point1.X >= width && point2.X >= width) || (point1.Y >= height && point2.Y >= height))
+		{
+			return;
+		}
+		int x = point1.X;
+		int y = point1.Y;
+		int x2 = point2.X;
+		int y2 = point2.Y;
+		byte b = 0;
+		if ((int)image.PixelFormat == 198659)
+		{
+			b = (byte)(0.2125 * (double)(int)color.R + 0.7154 * (double)(int)color.G + 0.0721 * (double)(int)color.B);
+		}
+		double num2 = (double)(int)color.A / 255.0;
+		double num3 = 1.0 - num2;
+		double num4 = num2 * (double)(int)color.R;
+		double num5 = num2 * (double)(int)color.G;
+		double num6 = num2 * (double)(int)color.B;
+		int num7 = 255 - color.A;
+		int num8 = color.A * color.R;
+		int num9 = color.A * color.G;
+		int num10 = color.A * color.B;
+		int num11 = x2 - x;
+		int num12 = y2 - y;
+		if (System.Math.Abs(num11) >= System.Math.Abs(num12))
+		{
+			float num13 = ((num11 != 0) ? ((float)num12 / (float)num11) : 0f);
+			int num14 = ((num11 > 0) ? 1 : (-1));
+			num11 += num14;
+			if ((int)image.PixelFormat == 198659)
+			{
+				for (int i = 0; i != num11; i += num14)
+				{
+					int num15 = x + i;
+					int num16 = (int)((float)y + num13 * (float)i);
+					byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)num16 * (nint)stride + num15;
+					*ptr = b;
+				}
+			}
+			else if ((int)image.PixelFormat == 2498570)
+			{
+				for (int j = 0; j != num11; j += num14)
+				{
+					int num17 = x + j;
+					int num18 = (int)((float)y + num13 * (float)j);
+					byte* ptr2 = (byte*)image.ImageData.ToPointer() + (nint)num18 * (nint)stride + (nint)num17 * (nint)4;
+					double num19 = (double)(int)ptr2[3] / 255.0 * num3;
+					ptr2[2] = (byte)(num4 + num19 * (double)(int)ptr2[2]);
+					ptr2[1] = (byte)(num5 + num19 * (double)(int)ptr2[1]);
+					*ptr2 = (byte)(num6 + num19 * (double)(int)(*ptr2));
+					ptr2[3] = (byte)(255.0 * (num2 + num19));
+				}
+			}
+			else if (color.A == byte.MaxValue)
+			{
+				for (int k = 0; k != num11; k += num14)
+				{
+					int num20 = x + k;
+					int num21 = (int)((float)y + num13 * (float)k);
+					byte* ptr3 = (byte*)image.ImageData.ToPointer() + (nint)num21 * (nint)stride + (nint)num20 * (nint)num;
+					ptr3[2] = color.R;
+					ptr3[1] = color.G;
+					*ptr3 = color.B;
+				}
+			}
+			else
+			{
+				for (int l = 0; l != num11; l += num14)
+				{
+					int num22 = x + l;
+					int num23 = (int)((float)y + num13 * (float)l);
+					byte* ptr4 = (byte*)image.ImageData.ToPointer() + (nint)num23 * (nint)stride + (nint)num22 * (nint)num;
+					ptr4[2] = (byte)((num8 + num7 * ptr4[2]) / 255);
+					ptr4[1] = (byte)((num9 + num7 * ptr4[1]) / 255);
+					*ptr4 = (byte)((num10 + num7 * *ptr4) / 255);
+				}
+			}
+			return;
+		}
+		float num24 = ((num12 != 0) ? ((float)num11 / (float)num12) : 0f);
+		int num25 = ((num12 > 0) ? 1 : (-1));
+		num12 += num25;
+		if ((int)image.PixelFormat == 198659)
+		{
+			for (int m = 0; m != num12; m += num25)
+			{
+				int num26 = (int)((float)x + num24 * (float)m);
+				int num27 = y + m;
+				byte* ptr5 = (byte*)image.ImageData.ToPointer() + (nint)num27 * (nint)stride + num26;
+				*ptr5 = b;
+			}
+		}
+		else if ((int)image.PixelFormat == 2498570)
+		{
+			for (int n = 0; n != num12; n += num25)
+			{
+				int num28 = (int)((float)x + num24 * (float)n);
+				int num29 = y + n;
+				byte* ptr6 = (byte*)image.ImageData.ToPointer() + (nint)num29 * (nint)stride + (nint)num28 * (nint)4;
+				double num30 = (double)(int)ptr6[3] / 255.0 * num3;
+				ptr6[2] = (byte)(num4 + num30 * (double)(int)ptr6[2]);
+				ptr6[1] = (byte)(num5 + num30 * (double)(int)ptr6[1]);
+				*ptr6 = (byte)(num6 + num30 * (double)(int)(*ptr6));
+				ptr6[3] = (byte)(255.0 * (num2 + num30));
+			}
+		}
+		else if (color.A == byte.MaxValue)
+		{
+			for (int num31 = 0; num31 != num12; num31 += num25)
+			{
+				int num32 = (int)((float)x + num24 * (float)num31);
+				int num33 = y + num31;
+				byte* ptr7 = (byte*)image.ImageData.ToPointer() + (nint)num33 * (nint)stride + (nint)num32 * (nint)num;
+				ptr7[2] = color.R;
+				ptr7[1] = color.G;
+				*ptr7 = color.B;
+			}
+		}
+		else
+		{
+			for (int num34 = 0; num34 != num12; num34 += num25)
+			{
+				int num35 = (int)((float)x + num24 * (float)num34);
+				int num36 = y + num34;
+				byte* ptr8 = (byte*)image.ImageData.ToPointer() + (nint)num36 * (nint)stride + (nint)num35 * (nint)num;
+				ptr8[2] = (byte)((num8 + num7 * ptr8[2]) / 255);
+				ptr8[1] = (byte)((num9 + num7 * ptr8[1]) / 255);
+				*ptr8 = (byte)((num10 + num7 * *ptr8) / 255);
+			}
+		}
+	}
+
+	public static void Polygon(BitmapData imageData, List<IntPoint> points, Color color)
+	{
+		Polygon(new UnmanagedImage(imageData), points, color);
+	}
+
+	public static void Polygon(UnmanagedImage image, List<IntPoint> points, Color color)
+	{
+		int i = 1;
+		for (int count = points.Count; i < count; i++)
+		{
+			Line(image, points[i - 1], points[i], color);
+		}
+		Line(image, points[points.Count - 1], points[0], color);
+	}
+
+	public static void Polyline(BitmapData imageData, List<IntPoint> points, Color color)
+	{
+		Polyline(new UnmanagedImage(imageData), points, color);
+	}
+
+	public static void Polyline(UnmanagedImage image, List<IntPoint> points, Color color)
+	{
+		int i = 1;
+		for (int count = points.Count; i < count; i++)
+		{
+			Line(image, points[i - 1], points[i], color);
+		}
+	}
+
+	private static void CheckPixelFormat(PixelFormat format)
+	{
+		//IL_0000: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Invalid comparison between Unknown and I4
+		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000e: Invalid comparison between Unknown and I4
+		//IL_0010: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0016: Invalid comparison between Unknown and I4
+		//IL_0018: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001e: Invalid comparison between Unknown and I4
+		if ((int)format != 137224 && (int)format != 198659 && (int)format != 2498570 && (int)format != 139273)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source image.");
+		}
+	}
+
+	private static void CheckEndPoint(int width, int height, IntPoint start, ref IntPoint end)
+	{
+		if (end.X >= width)
+		{
+			int num = width - 1;
+			double num2 = (double)(num - start.X) / (double)(end.X - start.X);
+			end.Y = (int)((double)start.Y + num2 * (double)(end.Y - start.Y));
+			end.X = num;
+		}
+		if (end.Y >= height)
+		{
+			int num3 = height - 1;
+			double num4 = (double)(num3 - start.Y) / (double)(end.Y - start.Y);
+			end.X = (int)((double)start.X + num4 * (double)(end.X - start.X));
+			end.Y = num3;
+		}
+		if (end.X < 0)
+		{
+			double num5 = (double)(-start.X) / (double)(end.X - start.X);
+			end.Y = (int)((double)start.Y + num5 * (double)(end.Y - start.Y));
+			end.X = 0;
+		}
+		if (end.Y < 0)
+		{
+			double num6 = (double)(-start.Y) / (double)(end.Y - start.Y);
+			end.X = (int)((double)start.X + num6 * (double)(end.X - start.X));
+			end.Y = 0;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ExceptionMessage.cs

@@ -0,0 +1,8 @@
+namespace AForge.Imaging;
+
+internal static class ExceptionMessage
+{
+	public const string ColorHistogramException = "Cannot access color histogram since the last processed image was grayscale.";
+
+	public const string GrayHistogramException = "Cannot access gray histogram since the last processed image was color.";
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ExhaustiveBlockMatching.cs

@@ -0,0 +1,198 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging;
+
+public class ExhaustiveBlockMatching : IBlockMatching
+{
+	private class MatchingsSorter : IComparer<BlockMatch>
+	{
+		public int Compare(BlockMatch x, BlockMatch y)
+		{
+			float num = y.Similarity - x.Similarity;
+			if (!(num > 0f))
+			{
+				if (!(num < 0f))
+				{
+					return 0;
+				}
+				return -1;
+			}
+			return 1;
+		}
+	}
+
+	private int blockSize = 16;
+
+	private int searchRadius = 12;
+
+	private float similarityThreshold = 0.9f;
+
+	public int SearchRadius
+	{
+		get
+		{
+			return searchRadius;
+		}
+		set
+		{
+			searchRadius = value;
+		}
+	}
+
+	public int BlockSize
+	{
+		get
+		{
+			return blockSize;
+		}
+		set
+		{
+			blockSize = value;
+		}
+	}
+
+	public float SimilarityThreshold
+	{
+		get
+		{
+			return similarityThreshold;
+		}
+		set
+		{
+			similarityThreshold = System.Math.Min(1f, System.Math.Max(0f, value));
+		}
+	}
+
+	public ExhaustiveBlockMatching()
+	{
+	}
+
+	public ExhaustiveBlockMatching(int blockSize, int searchRadius)
+	{
+		this.blockSize = blockSize;
+		this.searchRadius = searchRadius;
+	}
+
+	public List<BlockMatch> ProcessImage(Bitmap sourceImage, List<IntPoint> coordinates, Bitmap searchImage)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0037: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = sourceImage.LockBits(new Rectangle(0, 0, ((Image)sourceImage).Width, ((Image)sourceImage).Height), (ImageLockMode)1, ((Image)sourceImage).PixelFormat);
+		BitmapData val2 = searchImage.LockBits(new Rectangle(0, 0, ((Image)searchImage).Width, ((Image)searchImage).Height), (ImageLockMode)1, ((Image)searchImage).PixelFormat);
+		try
+		{
+			return ProcessImage(new UnmanagedImage(val), coordinates, new UnmanagedImage(val2));
+		}
+		finally
+		{
+			sourceImage.UnlockBits(val);
+			searchImage.UnlockBits(val2);
+		}
+	}
+
+	public List<BlockMatch> ProcessImage(BitmapData sourceImageData, List<IntPoint> coordinates, BitmapData searchImageData)
+	{
+		return ProcessImage(new UnmanagedImage(sourceImageData), coordinates, new UnmanagedImage(searchImageData));
+	}
+
+	public unsafe List<BlockMatch> ProcessImage(UnmanagedImage sourceImage, List<IntPoint> coordinates, UnmanagedImage searchImage)
+	{
+		//IL_0028: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0032: Invalid comparison between Unknown and I4
+		//IL_004d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0053: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0035: Unknown result type (might be due to invalid IL or missing references)
+		//IL_003f: Invalid comparison between Unknown and I4
+		//IL_0089: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0093: Invalid comparison between Unknown and I4
+		if (sourceImage.Width != searchImage.Width || sourceImage.Height != searchImage.Height)
+		{
+			throw new InvalidImagePropertiesException("Source and search images sizes must match");
+		}
+		if ((int)sourceImage.PixelFormat != 198659 && (int)sourceImage.PixelFormat != 137224)
+		{
+			throw new UnsupportedImageFormatException("Source images can be graysclae (8 bpp indexed) or color (24 bpp) image only");
+		}
+		if (sourceImage.PixelFormat != searchImage.PixelFormat)
+		{
+			throw new InvalidImagePropertiesException("Source and search images must have same pixel format");
+		}
+		int count = coordinates.Count;
+		List<BlockMatch> list = new List<BlockMatch>();
+		int width = sourceImage.Width;
+		int height = sourceImage.Height;
+		int stride = sourceImage.Stride;
+		int num = (((int)sourceImage.PixelFormat == 198659) ? 1 : 3);
+		int num2 = blockSize / 2;
+		int num3 = 2 * searchRadius;
+		int num4 = blockSize * num;
+		int num5 = stride - blockSize * num;
+		int num6 = blockSize * blockSize * num * 255;
+		int num7 = (int)(similarityThreshold * (float)num6);
+		byte* ptr = (byte*)sourceImage.ImageData.ToPointer();
+		byte* ptr2 = (byte*)searchImage.ImageData.ToPointer();
+		for (int i = 0; i < count; i++)
+		{
+			int x = coordinates[i].X;
+			int y = coordinates[i].Y;
+			if (x - num2 < 0 || x + num2 >= width || y - num2 < 0 || y + num2 >= height)
+			{
+				continue;
+			}
+			int num8 = x - num2 - searchRadius;
+			int num9 = y - num2 - searchRadius;
+			int x2 = x;
+			int y2 = y;
+			int num10 = int.MaxValue;
+			for (int j = 0; j < num3; j++)
+			{
+				if (num9 + j < 0 || num9 + j + blockSize >= height)
+				{
+					continue;
+				}
+				for (int k = 0; k < num3; k++)
+				{
+					int num11 = num8 + k;
+					int num12 = num9 + j;
+					if (num11 < 0 || num12 + blockSize >= width)
+					{
+						continue;
+					}
+					byte* ptr3 = ptr + (nint)(y - num2) * (nint)stride + (nint)(x - num2) * (nint)num;
+					byte* ptr4 = ptr2 + (nint)num12 * (nint)stride + (nint)num11 * (nint)num;
+					int num13 = 0;
+					for (int l = 0; l < blockSize; l++)
+					{
+						int num14 = 0;
+						while (num14 < num4)
+						{
+							int num15 = *ptr3 - *ptr4;
+							num13 = ((num15 <= 0) ? (num13 - num15) : (num13 + num15));
+							num14++;
+							ptr3++;
+							ptr4++;
+						}
+						ptr3 += num5;
+						ptr4 += num5;
+					}
+					if (num13 < num10)
+					{
+						num10 = num13;
+						x2 = num11 + num2;
+						y2 = num12 + num2;
+					}
+				}
+			}
+			int num16 = num6 - num10;
+			if (num16 >= num7)
+			{
+				list.Add(new BlockMatch(new IntPoint(x, y), new IntPoint(x2, y2), (float)num16 / (float)num6));
+			}
+		}
+		list.Sort(new MatchingsSorter());
+		return list;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/ExhaustiveTemplateMatching.cs

@@ -0,0 +1,200 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging;
+
+public class ExhaustiveTemplateMatching : ITemplateMatching
+{
+	private class MatchingsSorter : IComparer
+	{
+		public int Compare(object x, object y)
+		{
+			float num = ((TemplateMatch)y).Similarity - ((TemplateMatch)x).Similarity;
+			if (!(num > 0f))
+			{
+				if (!(num < 0f))
+				{
+					return 0;
+				}
+				return -1;
+			}
+			return 1;
+		}
+	}
+
+	private float similarityThreshold = 0.9f;
+
+	public float SimilarityThreshold
+	{
+		get
+		{
+			return similarityThreshold;
+		}
+		set
+		{
+			similarityThreshold = System.Math.Min(1f, System.Math.Max(0f, value));
+		}
+	}
+
+	public ExhaustiveTemplateMatching()
+	{
+	}
+
+	public ExhaustiveTemplateMatching(float similarityThreshold)
+	{
+		this.similarityThreshold = similarityThreshold;
+	}
+
+	public TemplateMatch[] ProcessImage(Bitmap image, Bitmap template)
+	{
+		return ProcessImage(image, template, new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height));
+	}
+
+	public TemplateMatch[] ProcessImage(Bitmap image, Bitmap template, Rectangle searchZone)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Invalid comparison between Unknown and I4
+		//IL_0070: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0091: Unknown result type (might be due to invalid IL or missing references)
+		if (((int)((Image)image).PixelFormat != 198659 && (int)((Image)image).PixelFormat != 137224) || ((Image)image).PixelFormat != ((Image)template).PixelFormat)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source or template image.");
+		}
+		if (((Image)template).Width > ((Image)image).Width || ((Image)template).Height > ((Image)image).Height)
+		{
+			throw new InvalidImagePropertiesException("Template's size should be smaller or equal to source image's size.");
+		}
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		BitmapData val2 = template.LockBits(new Rectangle(0, 0, ((Image)template).Width, ((Image)template).Height), (ImageLockMode)1, ((Image)template).PixelFormat);
+		try
+		{
+			return ProcessImage(new UnmanagedImage(val), new UnmanagedImage(val2), searchZone);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+			template.UnlockBits(val2);
+		}
+	}
+
+	public TemplateMatch[] ProcessImage(BitmapData imageData, BitmapData templateData)
+	{
+		return ProcessImage(new UnmanagedImage(imageData), new UnmanagedImage(templateData), new Rectangle(0, 0, imageData.Width, imageData.Height));
+	}
+
+	public TemplateMatch[] ProcessImage(BitmapData imageData, BitmapData templateData, Rectangle searchZone)
+	{
+		return ProcessImage(new UnmanagedImage(imageData), new UnmanagedImage(templateData), searchZone);
+	}
+
+	public TemplateMatch[] ProcessImage(UnmanagedImage image, UnmanagedImage template)
+	{
+		return ProcessImage(image, template, new Rectangle(0, 0, image.Width, image.Height));
+	}
+
+	public unsafe TemplateMatch[] ProcessImage(UnmanagedImage image, UnmanagedImage template, Rectangle searchZone)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		//IL_001b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Invalid comparison between Unknown and I4
+		//IL_0097: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a1: Invalid comparison between Unknown and I4
+		if (((int)image.PixelFormat != 198659 && (int)image.PixelFormat != 137224) || image.PixelFormat != template.PixelFormat)
+		{
+			throw new UnsupportedImageFormatException("Unsupported pixel format of the source or template image.");
+		}
+		Rectangle rectangle = searchZone;
+		rectangle.Intersect(new Rectangle(0, 0, image.Width, image.Height));
+		int x = rectangle.X;
+		int y = rectangle.Y;
+		int width = rectangle.Width;
+		int height = rectangle.Height;
+		int width2 = template.Width;
+		int height2 = template.Height;
+		if (width2 > width || height2 > height)
+		{
+			throw new InvalidImagePropertiesException("Template's size should be smaller or equal to search zone.");
+		}
+		int num = (((int)image.PixelFormat == 198659) ? 1 : 3);
+		int stride = image.Stride;
+		int num2 = width - width2 + 1;
+		int num3 = height - height2 + 1;
+		int[,] array = new int[num3 + 4, num2 + 4];
+		int num4 = width2 * height2 * num * 255;
+		int num5 = (int)(similarityThreshold * (float)num4);
+		int num6 = width2 * num;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		byte* ptr2 = (byte*)template.ImageData.ToPointer();
+		int num7 = image.Stride - width2 * num;
+		int num8 = template.Stride - width2 * num;
+		for (int i = 0; i < num3; i++)
+		{
+			for (int j = 0; j < num2; j++)
+			{
+				byte* ptr3 = ptr + (nint)stride * (nint)(i + y) + (nint)num * (nint)(j + x);
+				byte* ptr4 = ptr2;
+				int num9 = 0;
+				for (int k = 0; k < height2; k++)
+				{
+					int num10 = 0;
+					while (num10 < num6)
+					{
+						int num11 = *ptr3 - *ptr4;
+						num9 = ((num11 <= 0) ? (num9 - num11) : (num9 + num11));
+						num10++;
+						ptr3++;
+						ptr4++;
+					}
+					ptr3 += num7;
+					ptr4 += num8;
+				}
+				int num12 = num4 - num9;
+				if (num12 >= num5)
+				{
+					array[i + 2, j + 2] = num12;
+				}
+			}
+		}
+		List<TemplateMatch> list = new List<TemplateMatch>();
+		int l = 2;
+		for (int num13 = num3 + 2; l < num13; l++)
+		{
+			int m = 2;
+			for (int num14 = num2 + 2; m < num14; m++)
+			{
+				int num15 = array[l, m];
+				int num16 = -2;
+				while (num15 != 0 && num16 <= 2)
+				{
+					for (int n = -2; n <= 2; n++)
+					{
+						if (array[l + num16, m + n] > num15)
+						{
+							num15 = 0;
+							break;
+						}
+					}
+					num16++;
+				}
+				if (num15 != 0)
+				{
+					list.Add(new TemplateMatch(new Rectangle(m - 2 + x, l - 2 + y, width2, height2), (float)num15 / (float)num4));
+				}
+			}
+		}
+		TemplateMatch[] array2 = new TemplateMatch[list.Count];
+		list.CopyTo(array2);
+		Array.Sort(array2, new MatchingsSorter());
+		return array2;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/AdaptiveSmoothing.cs

@@ -0,0 +1,128 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class AdaptiveSmoothing : BaseUsingCopyPartialFilter
+{
+	private double factor = 3.0;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public double Factor
+	{
+		get
+		{
+			return factor;
+		}
+		set
+		{
+			factor = value;
+		}
+	}
+
+	public AdaptiveSmoothing()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+	}
+
+	public AdaptiveSmoothing(double factor)
+		: this()
+	{
+		this.factor = factor;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		int num = Image.GetPixelFormatSize(source.PixelFormat) / 8;
+		int num2 = num * 2;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num3 = left + rect.Width;
+		int num4 = top + rect.Height;
+		int num5 = left + 2;
+		int num6 = top + 2;
+		int num7 = num3 - 2;
+		int num8 = num4 - 2;
+		int stride = source.Stride;
+		int stride2 = destination.Stride;
+		int num9 = stride - rect.Width * num;
+		int num10 = stride2 - rect.Width * num;
+		double num11 = -8.0 * factor * factor;
+		byte* ptr = (byte*)source.ImageData.ToPointer() + (nint)stride * (nint)2;
+		byte* ptr2 = (byte*)destination.ImageData.ToPointer() + (nint)stride2 * (nint)2;
+		ptr += top * stride + left * num;
+		ptr2 += top * stride2 + left * num;
+		for (int i = num6; i < num8; i++)
+		{
+			ptr += num2;
+			ptr2 += num2;
+			for (int j = num5; j < num7; j++)
+			{
+				int num12 = 0;
+				while (num12 < num)
+				{
+					double num13 = 0.0;
+					double num14 = 0.0;
+					double num15 = ptr[-stride] - ptr[-num2 - stride];
+					double num16 = ptr[-num] - ptr[-num - 2 * stride];
+					double num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[-num - stride];
+					num13 += num17;
+					num15 = ptr[num - stride] - ptr[-num - stride];
+					num16 = *ptr - ptr[(nint)(-2) * (nint)stride];
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[-stride];
+					num13 += num17;
+					num15 = ptr[num2 - stride] - ptr[-stride];
+					num16 = ptr[num] - ptr[num - 2 * stride];
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[num - stride];
+					num13 += num17;
+					num15 = *ptr - ptr[-num2];
+					num16 = ptr[-num + stride] - ptr[-num - stride];
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[-num];
+					num13 += num17;
+					num15 = ptr[num] - ptr[-num];
+					num16 = ptr[stride] - ptr[-stride];
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)(*ptr);
+					num13 += num17;
+					num15 = ptr[num2] - *ptr;
+					num16 = ptr[num + stride] - ptr[num - stride];
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[num];
+					num13 += num17;
+					num15 = ptr[stride] - ptr[-num2 + stride];
+					num16 = ptr[-num + 2 * stride] - ptr[-num];
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[-num + stride];
+					num13 += num17;
+					num15 = ptr[num + stride] - ptr[-num + stride];
+					num16 = ptr[(nint)2 * (nint)stride] - *ptr;
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[stride];
+					num13 += num17;
+					num15 = ptr[num2 + stride] - ptr[stride];
+					num16 = ptr[num + 2 * stride] - ptr[num];
+					num17 = System.Math.Exp((num15 * num15 + num16 * num16) / num11);
+					num14 += num17 * (double)(int)ptr[num + stride];
+					num13 += num17;
+					*ptr2 = ((num13 == 0.0) ? (*ptr) : ((byte)System.Math.Min(num14 / num13, 255.0)));
+					num12++;
+					ptr++;
+					ptr2++;
+				}
+			}
+			ptr += num9 + num2;
+			ptr2 += num10 + num2;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Add.cs

@@ -0,0 +1,109 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public sealed class Add : BaseInPlaceFilter2
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Add()
+	{
+		InitFormatTranslations();
+	}
+
+	public Add(Bitmap overlayImage)
+		: base(overlayImage)
+	{
+		InitFormatTranslations();
+	}
+
+	public Add(UnmanagedImage unmanagedOverlayImage)
+		: base(unmanagedOverlayImage)
+	{
+		InitFormatTranslations();
+	}
+
+	private void InitFormatTranslations()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)3424269;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, UnmanagedImage overlay)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0015: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001b: Invalid comparison between Unknown and I4
+		//IL_0038: Unknown result type (might be due to invalid IL or missing references)
+		//IL_003e: Invalid comparison between Unknown and I4
+		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0023: Invalid comparison between Unknown and I4
+		//IL_0040: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0046: Invalid comparison between Unknown and I4
+		//IL_0025: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Invalid comparison between Unknown and I4
+		//IL_002d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0033: Invalid comparison between Unknown and I4
+		//IL_00ea: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00f0: Invalid comparison between Unknown and I4
+		//IL_00f2: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00f8: Invalid comparison between Unknown and I4
+		PixelFormat pixelFormat = image.PixelFormat;
+		int width = image.Width;
+		int height = image.Height;
+		if ((int)pixelFormat == 198659 || (int)pixelFormat == 137224 || (int)pixelFormat == 139273 || (int)pixelFormat == 2498570)
+		{
+			int num = (((int)pixelFormat == 198659) ? 1 : (((int)pixelFormat == 137224) ? 3 : 4));
+			int num2 = width * num;
+			int num3 = image.Stride - num2;
+			int num4 = overlay.Stride - num2;
+			byte* ptr = (byte*)image.ImageData.ToPointer();
+			byte* ptr2 = (byte*)overlay.ImageData.ToPointer();
+			for (int i = 0; i < height; i++)
+			{
+				int num5 = 0;
+				while (num5 < num2)
+				{
+					int num6 = *ptr + *ptr2;
+					*ptr = ((num6 > 255) ? byte.MaxValue : ((byte)num6));
+					num5++;
+					ptr++;
+					ptr2++;
+				}
+				ptr += num3;
+				ptr2 += num4;
+			}
+			return;
+		}
+		int num7 = (((int)pixelFormat == 1052676) ? 1 : (((int)pixelFormat == 1060876) ? 3 : 4));
+		int num8 = width * num7;
+		int stride = image.Stride;
+		int stride2 = overlay.Stride;
+		byte* ptr3 = (byte*)image.ImageData.ToPointer();
+		byte* ptr4 = (byte*)overlay.ImageData.ToPointer();
+		for (int j = 0; j < height; j++)
+		{
+			ushort* ptr5 = (ushort*)(ptr3 + (nint)j * (nint)stride);
+			ushort* ptr6 = (ushort*)(ptr4 + (nint)j * (nint)stride2);
+			int num9 = 0;
+			while (num9 < num8)
+			{
+				int num10 = *ptr5 + *ptr6;
+				*ptr5 = ((num10 > 65535) ? ushort.MaxValue : ((ushort)num10));
+				num9++;
+				ptr5++;
+				ptr6++;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/AdditiveNoise.cs

@@ -0,0 +1,65 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using AForge.Math.Random;
+
+namespace AForge.Imaging.Filters;
+
+public class AdditiveNoise : BaseInPlacePartialFilter
+{
+	private IRandomNumberGenerator generator = new UniformGenerator(new Range(-10f, 10f));
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public IRandomNumberGenerator Generator
+	{
+		get
+		{
+			return generator;
+		}
+		set
+		{
+			generator = value;
+		}
+	}
+
+	public AdditiveNoise()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+	}
+
+	public AdditiveNoise(IRandomNumberGenerator generator)
+		: this()
+	{
+		this.generator = generator;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		int num = (((int)image.PixelFormat == 198659) ? 1 : 3);
+		int top = rect.Top;
+		int num2 = top + rect.Height;
+		int num3 = rect.Left * num;
+		int num4 = num3 + rect.Width * num;
+		int num5 = image.Stride - (num4 - num3);
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + rect.Left * num;
+		for (int i = top; i < num2; i++)
+		{
+			int num6 = num3;
+			while (num6 < num4)
+			{
+				*ptr = (byte)System.Math.Max(0f, System.Math.Min(255f, (float)(int)(*ptr) + generator.Next()));
+				num6++;
+				ptr++;
+			}
+			ptr += num5;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ApplyMask.cs

@@ -0,0 +1,308 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ApplyMask : BaseInPlacePartialFilter
+{
+	private Bitmap maskImage;
+
+	private UnmanagedImage unmanagedMaskImage;
+
+	private byte[,] mask;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public Bitmap MaskImage
+	{
+		get
+		{
+			return maskImage;
+		}
+		set
+		{
+			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0018: Invalid comparison between Unknown and I4
+			if (maskImage != null && (int)((Image)maskImage).PixelFormat != 198659)
+			{
+				throw new ArgumentException("The mask image must be 8 bpp grayscale image.");
+			}
+			maskImage = value;
+			unmanagedMaskImage = null;
+			mask = null;
+		}
+	}
+
+	public UnmanagedImage UnmanagedMaskImage
+	{
+		get
+		{
+			return unmanagedMaskImage;
+		}
+		set
+		{
+			//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0018: Invalid comparison between Unknown and I4
+			if (unmanagedMaskImage != null && (int)unmanagedMaskImage.PixelFormat != 198659)
+			{
+				throw new ArgumentException("The mask image must be 8 bpp grayscale image.");
+			}
+			unmanagedMaskImage = value;
+			maskImage = null;
+			mask = null;
+		}
+	}
+
+	public byte[,] Mask
+	{
+		get
+		{
+			return mask;
+		}
+		set
+		{
+			mask = value;
+			maskImage = null;
+			unmanagedMaskImage = null;
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	private ApplyMask()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)925707] = (PixelFormat)925707;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)3424269;
+		formatTranslations[(PixelFormat)1851406] = (PixelFormat)1851406;
+	}
+
+	public ApplyMask(Bitmap maskImage)
+		: this()
+	{
+		MaskImage = maskImage;
+	}
+
+	public ApplyMask(UnmanagedImage unmanagedMaskImage)
+		: this()
+	{
+		UnmanagedMaskImage = unmanagedMaskImage;
+	}
+
+	public ApplyMask(byte[,] mask)
+		: this()
+	{
+		Mask = mask;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		if (mask != null)
+		{
+			if (image.Width != mask.GetLength(1) || image.Height != mask.GetLength(0))
+			{
+				throw new ArgumentException("Invalid size of mask array. Its size must be the same as the size of the image to mask.");
+			}
+			fixed (byte* ptr = mask)
+			{
+				ProcessImage(image, rect, ptr, mask.GetLength(1));
+			}
+			return;
+		}
+		if (unmanagedMaskImage != null)
+		{
+			if (image.Width != unmanagedMaskImage.Width || image.Height != unmanagedMaskImage.Height)
+			{
+				throw new ArgumentException("Invalid size of unmanaged mask image. Its size must be the same as the size of the image to mask.");
+			}
+			ProcessImage(image, rect, (byte*)unmanagedMaskImage.ImageData.ToPointer(), unmanagedMaskImage.Stride);
+			return;
+		}
+		if (maskImage != null)
+		{
+			if (image.Width != ((Image)maskImage).Width || image.Height != ((Image)maskImage).Height)
+			{
+				throw new ArgumentException("Invalid size of mask image. Its size must be the same as the size of the image to mask.");
+			}
+			BitmapData val = maskImage.LockBits(new Rectangle(0, 0, image.Width, image.Height), (ImageLockMode)1, (PixelFormat)198659);
+			try
+			{
+				ProcessImage(image, rect, (byte*)val.Scan0.ToPointer(), val.Stride);
+				return;
+			}
+			finally
+			{
+				maskImage.UnlockBits(val);
+			}
+		}
+		throw new NullReferenceException("None of the possible mask properties were set. Need to provide mask before applying the filter.");
+	}
+
+	private unsafe void ProcessImage(UnmanagedImage image, Rectangle rect, byte* mask, int maskLineSize)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int top = rect.Top;
+		int num2 = top + rect.Height;
+		int left = rect.Left;
+		int num3 = left + rect.Width;
+		int stride = image.Stride;
+		int num4 = maskLineSize - rect.Width;
+		mask += maskLineSize * top + left;
+		if (num <= 4 && num != 2)
+		{
+			byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)stride * (nint)top + (nint)num * (nint)left;
+			int num5 = stride - rect.Width * num;
+			switch (num)
+			{
+			case 1:
+			{
+				for (int j = top; j < num2; j++)
+				{
+					int num7 = left;
+					while (num7 < num3)
+					{
+						if (*mask == 0)
+						{
+							*ptr = 0;
+						}
+						num7++;
+						ptr++;
+						mask++;
+					}
+					ptr += num5;
+					mask += num4;
+				}
+				break;
+			}
+			case 3:
+			{
+				for (int k = top; k < num2; k++)
+				{
+					int num8 = left;
+					while (num8 < num3)
+					{
+						if (*mask == 0)
+						{
+							ptr[2] = 0;
+							ptr[1] = 0;
+							*ptr = 0;
+						}
+						num8++;
+						ptr += 3;
+						mask++;
+					}
+					ptr += num5;
+					mask += num4;
+				}
+				break;
+			}
+			case 4:
+			{
+				for (int i = top; i < num2; i++)
+				{
+					int num6 = left;
+					while (num6 < num3)
+					{
+						if (*mask == 0)
+						{
+							ptr[2] = 0;
+							ptr[1] = 0;
+							*ptr = 0;
+							ptr[3] = 0;
+						}
+						num6++;
+						ptr += 4;
+						mask++;
+					}
+					ptr += num5;
+					mask += num4;
+				}
+				break;
+			}
+			case 2:
+				break;
+			}
+			return;
+		}
+		byte* ptr2 = (byte*)image.ImageData.ToPointer() + (nint)stride * (nint)top + (nint)num * (nint)left;
+		switch (num)
+		{
+		case 2:
+		{
+			for (int m = top; m < num2; m++)
+			{
+				ushort* ptr4 = (ushort*)ptr2;
+				int num10 = left;
+				while (num10 < num3)
+				{
+					if (*mask == 0)
+					{
+						*ptr4 = 0;
+					}
+					num10++;
+					ptr4++;
+					mask++;
+				}
+				ptr2 += stride;
+				mask += num4;
+			}
+			break;
+		}
+		case 6:
+		{
+			for (int n = top; n < num2; n++)
+			{
+				ushort* ptr5 = (ushort*)ptr2;
+				int num11 = left;
+				while (num11 < num3)
+				{
+					if (*mask == 0)
+					{
+						ptr5[2] = 0;
+						ptr5[1] = 0;
+						*ptr5 = 0;
+					}
+					num11++;
+					ptr5 += 3;
+					mask++;
+				}
+				ptr2 += stride;
+				mask += num4;
+			}
+			break;
+		}
+		case 8:
+		{
+			for (int l = top; l < num2; l++)
+			{
+				ushort* ptr3 = (ushort*)ptr2;
+				int num9 = left;
+				while (num9 < num3)
+				{
+					if (*mask == 0)
+					{
+						ptr3[2] = 0;
+						ptr3[1] = 0;
+						*ptr3 = 0;
+						ptr3[3] = 0;
+					}
+					num9++;
+					ptr3 += 4;
+					mask++;
+				}
+				ptr2 += stride;
+				mask += num4;
+			}
+			break;
+		}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BackwardQuadrilateralTransformation.cs

@@ -0,0 +1,276 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+using AForge.Math.Geometry;
+
+namespace AForge.Imaging.Filters;
+
+public class BackwardQuadrilateralTransformation : BaseInPlaceFilter
+{
+	private Bitmap sourceImage;
+
+	private UnmanagedImage sourceUnmanagedImage;
+
+	private List<IntPoint> destinationQuadrilateral;
+
+	private bool useInterpolation = true;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Bitmap SourceImage
+	{
+		get
+		{
+			return sourceImage;
+		}
+		set
+		{
+			sourceImage = value;
+			if (value != null)
+			{
+				sourceUnmanagedImage = null;
+			}
+		}
+	}
+
+	public UnmanagedImage SourceUnmanagedImage
+	{
+		get
+		{
+			return sourceUnmanagedImage;
+		}
+		set
+		{
+			sourceUnmanagedImage = value;
+			if (value != null)
+			{
+				sourceImage = null;
+			}
+		}
+	}
+
+	public List<IntPoint> DestinationQuadrilateral
+	{
+		get
+		{
+			return destinationQuadrilateral;
+		}
+		set
+		{
+			destinationQuadrilateral = value;
+		}
+	}
+
+	public bool UseInterpolation
+	{
+		get
+		{
+			return useInterpolation;
+		}
+		set
+		{
+			useInterpolation = value;
+		}
+	}
+
+	public BackwardQuadrilateralTransformation()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)925707] = (PixelFormat)925707;
+	}
+
+	public BackwardQuadrilateralTransformation(Bitmap sourceImage)
+		: this()
+	{
+		this.sourceImage = sourceImage;
+	}
+
+	public BackwardQuadrilateralTransformation(UnmanagedImage sourceUnmanagedImage)
+		: this()
+	{
+		this.sourceUnmanagedImage = sourceUnmanagedImage;
+	}
+
+	public BackwardQuadrilateralTransformation(Bitmap sourceImage, List<IntPoint> destinationQuadrilateral)
+		: this()
+	{
+		this.sourceImage = sourceImage;
+		this.destinationQuadrilateral = destinationQuadrilateral;
+	}
+
+	public BackwardQuadrilateralTransformation(UnmanagedImage sourceUnmanagedImage, List<IntPoint> destinationQuadrilateral)
+		: this()
+	{
+		this.sourceUnmanagedImage = sourceUnmanagedImage;
+		this.destinationQuadrilateral = destinationQuadrilateral;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage image)
+	{
+		//IL_001c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0027: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0093: Unknown result type (might be due to invalid IL or missing references)
+		//IL_009e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0063: Unknown result type (might be due to invalid IL or missing references)
+		if (destinationQuadrilateral == null)
+		{
+			throw new NullReferenceException("Destination quadrilateral was not set.");
+		}
+		if (sourceImage != null)
+		{
+			if (image.PixelFormat != ((Image)sourceImage).PixelFormat)
+			{
+				throw new InvalidImagePropertiesException("Source and destination images must have same pixel format.");
+			}
+			BitmapData val = sourceImage.LockBits(new Rectangle(0, 0, ((Image)sourceImage).Width, ((Image)sourceImage).Height), (ImageLockMode)1, ((Image)sourceImage).PixelFormat);
+			try
+			{
+				ProcessFilter(image, new UnmanagedImage(val));
+				return;
+			}
+			finally
+			{
+				sourceImage.UnlockBits(val);
+			}
+		}
+		if (sourceUnmanagedImage != null)
+		{
+			if (image.PixelFormat != sourceUnmanagedImage.PixelFormat)
+			{
+				throw new InvalidImagePropertiesException("Source and destination images must have same pixel format.");
+			}
+			ProcessFilter(image, sourceUnmanagedImage);
+			return;
+		}
+		throw new NullReferenceException("Source image is not set.");
+	}
+
+	private unsafe void ProcessFilter(UnmanagedImage dstImage, UnmanagedImage srcImage)
+	{
+		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
+		int width = srcImage.Width;
+		int height = srcImage.Height;
+		int width2 = dstImage.Width;
+		int height2 = dstImage.Height;
+		int num = Image.GetPixelFormatSize(srcImage.PixelFormat) / 8;
+		int stride = srcImage.Stride;
+		int stride2 = dstImage.Stride;
+		PointsCloud.GetBoundingRectangle(destinationQuadrilateral, out var minXY, out var maxXY);
+		if (maxXY.X < 0 || maxXY.Y < 0 || minXY.X >= width2 || minXY.Y >= height2)
+		{
+			return;
+		}
+		if (minXY.X < 0)
+		{
+			minXY.X = 0;
+		}
+		if (minXY.Y < 0)
+		{
+			minXY.Y = 0;
+		}
+		if (maxXY.X >= width2)
+		{
+			maxXY.X = width2 - 1;
+		}
+		if (maxXY.Y >= height2)
+		{
+			maxXY.Y = height2 - 1;
+		}
+		int x = minXY.X;
+		int y = minXY.Y;
+		int num2 = maxXY.X + 1;
+		int num3 = maxXY.Y + 1;
+		int num4 = stride2 - (num2 - x) * num;
+		List<IntPoint> list = new List<IntPoint>();
+		list.Add(new IntPoint(0, 0));
+		list.Add(new IntPoint(width - 1, 0));
+		list.Add(new IntPoint(width - 1, height - 1));
+		list.Add(new IntPoint(0, height - 1));
+		double[,] array = QuadTransformationCalcs.MapQuadToQuad(destinationQuadrilateral, list);
+		byte* ptr = (byte*)dstImage.ImageData.ToPointer();
+		byte* ptr2 = (byte*)srcImage.ImageData.ToPointer();
+		ptr += y * stride2 + x * num;
+		if (!useInterpolation)
+		{
+			for (int i = y; i < num3; i++)
+			{
+				for (int j = x; j < num2; j++)
+				{
+					double num5 = array[2, 0] * (double)j + array[2, 1] * (double)i + array[2, 2];
+					double num6 = (array[0, 0] * (double)j + array[0, 1] * (double)i + array[0, 2]) / num5;
+					double num7 = (array[1, 0] * (double)j + array[1, 1] * (double)i + array[1, 2]) / num5;
+					if (num6 >= 0.0 && num7 >= 0.0 && num6 < (double)width && num7 < (double)height)
+					{
+						byte* ptr3 = ptr2 + (nint)(int)num7 * (nint)stride + (nint)(int)num6 * (nint)num;
+						int num8 = 0;
+						while (num8 < num)
+						{
+							*ptr = *ptr3;
+							num8++;
+							ptr++;
+							ptr3++;
+						}
+					}
+					else
+					{
+						ptr += num;
+					}
+				}
+				ptr += num4;
+			}
+			return;
+		}
+		int num9 = width - 1;
+		int num10 = height - 1;
+		for (int k = y; k < num3; k++)
+		{
+			for (int l = x; l < num2; l++)
+			{
+				double num11 = array[2, 0] * (double)l + array[2, 1] * (double)k + array[2, 2];
+				double num12 = (array[0, 0] * (double)l + array[0, 1] * (double)k + array[0, 2]) / num11;
+				double num13 = (array[1, 0] * (double)l + array[1, 1] * (double)k + array[1, 2]) / num11;
+				if (num12 >= 0.0 && num13 >= 0.0 && num12 < (double)width && num13 < (double)height)
+				{
+					int num14 = (int)num12;
+					int num15 = ((num14 == num9) ? num14 : (num14 + 1));
+					double num16 = num12 - (double)num14;
+					double num17 = 1.0 - num16;
+					int num18 = (int)num13;
+					int num19 = ((num18 == num10) ? num18 : (num18 + 1));
+					double num20 = num13 - (double)num18;
+					double num21 = 1.0 - num20;
+					byte* ptr5;
+					byte* ptr4 = (ptr5 = ptr2 + (nint)num18 * (nint)stride);
+					ptr4 += (nint)num14 * (nint)num;
+					ptr5 += (nint)num15 * (nint)num;
+					byte* ptr7;
+					byte* ptr6 = (ptr7 = ptr2 + (nint)num19 * (nint)stride);
+					ptr6 += (nint)num14 * (nint)num;
+					ptr7 += (nint)num15 * (nint)num;
+					int num22 = 0;
+					while (num22 < num)
+					{
+						*ptr = (byte)(num21 * (num17 * (double)(int)(*ptr4) + num16 * (double)(int)(*ptr5)) + num20 * (num17 * (double)(int)(*ptr6) + num16 * (double)(int)(*ptr7)));
+						num22++;
+						ptr++;
+						ptr4++;
+						ptr5++;
+						ptr6++;
+						ptr7++;
+					}
+				}
+				else
+				{
+					ptr += num;
+				}
+			}
+			ptr += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseFilter.cs

@@ -0,0 +1,98 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseFilter : IFilter, IFilterInformation
+{
+	public abstract Dictionary<PixelFormat, PixelFormat> FormatTranslations { get; }
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			val2 = Apply(val);
+			if (((Image)image).HorizontalResolution > 0f && ((Image)image).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)image).HorizontalResolution, ((Image)image).VerticalResolution);
+			}
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+		return val2;
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0026: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0032: Invalid comparison between Unknown and I4
+		//IL_0036: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0037: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0051: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(imageData.PixelFormat);
+		int width = imageData.Width;
+		int height = imageData.Height;
+		PixelFormat val = FormatTranslations[imageData.PixelFormat];
+		Bitmap val2 = (Bitmap)(((int)val == 198659) ? ((object)Image.CreateGrayscaleImage(width, height)) : ((object)new Bitmap(width, height, val)));
+		BitmapData val3 = val2.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, val);
+		try
+		{
+			ProcessFilter(new UnmanagedImage(imageData), new UnmanagedImage(val3));
+		}
+		finally
+		{
+			val2.UnlockBits(val3);
+		}
+		return val2;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0024: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		UnmanagedImage unmanagedImage = UnmanagedImage.Create(image.Width, image.Height, FormatTranslations[image.PixelFormat]);
+		ProcessFilter(image, unmanagedImage);
+		return unmanagedImage;
+	}
+
+	public void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001e: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(sourceImage.PixelFormat);
+		if (destinationImage.PixelFormat != FormatTranslations[sourceImage.PixelFormat])
+		{
+			throw new InvalidImagePropertiesException("Destination pixel format is specified incorrectly.");
+		}
+		if (destinationImage.Width != sourceImage.Width || destinationImage.Height != sourceImage.Height)
+		{
+			throw new InvalidImagePropertiesException("Destination image must have the same width and height as source image.");
+		}
+		ProcessFilter(sourceImage, destinationImage);
+	}
+
+	protected abstract void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData);
+
+	private void CheckSourceFormat(PixelFormat pixelFormat)
+	{
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		if (!FormatTranslations.ContainsKey(pixelFormat))
+		{
+			throw new UnsupportedImageFormatException("Source pixel format is not supported by the filter.");
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseFilter2.cs

@@ -0,0 +1,109 @@
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseFilter2 : BaseFilter
+{
+	private Bitmap overlayImage;
+
+	private UnmanagedImage unmanagedOverlayImage;
+
+	public Bitmap OverlayImage
+	{
+		get
+		{
+			return overlayImage;
+		}
+		set
+		{
+			overlayImage = value;
+			if (value != null)
+			{
+				unmanagedOverlayImage = null;
+			}
+		}
+	}
+
+	public UnmanagedImage UnmanagedOverlayImage
+	{
+		get
+		{
+			return unmanagedOverlayImage;
+		}
+		set
+		{
+			unmanagedOverlayImage = value;
+			if (value != null)
+			{
+				overlayImage = null;
+			}
+		}
+	}
+
+	protected BaseFilter2()
+	{
+	}
+
+	protected BaseFilter2(Bitmap overlayImage)
+	{
+		this.overlayImage = overlayImage;
+	}
+
+	protected BaseFilter2(UnmanagedImage unmanagedOverlayImage)
+	{
+		this.unmanagedOverlayImage = unmanagedOverlayImage;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0024: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0099: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a0: Unknown result type (might be due to invalid IL or missing references)
+		//IL_006d: Unknown result type (might be due to invalid IL or missing references)
+		PixelFormat pixelFormat = sourceData.PixelFormat;
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		if (overlayImage != null)
+		{
+			if (pixelFormat != ((Image)overlayImage).PixelFormat)
+			{
+				throw new InvalidImagePropertiesException("Source and overlay images must have same pixel format.");
+			}
+			if (width != ((Image)overlayImage).Width || height != ((Image)overlayImage).Height)
+			{
+				throw new InvalidImagePropertiesException("Overlay image size must be equal to source image size.");
+			}
+			BitmapData val = overlayImage.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)1, pixelFormat);
+			try
+			{
+				ProcessFilter(sourceData, new UnmanagedImage(val), destinationData);
+				return;
+			}
+			finally
+			{
+				overlayImage.UnlockBits(val);
+			}
+		}
+		if (unmanagedOverlayImage != null)
+		{
+			if (pixelFormat != unmanagedOverlayImage.PixelFormat)
+			{
+				throw new InvalidImagePropertiesException("Source and overlay images must have same pixel format.");
+			}
+			if (width != unmanagedOverlayImage.Width || height != unmanagedOverlayImage.Height)
+			{
+				throw new InvalidImagePropertiesException("Overlay image size must be equal to source image size.");
+			}
+			ProcessFilter(sourceData, unmanagedOverlayImage, destinationData);
+			return;
+		}
+		throw new NullReferenceException("Overlay image is not set.");
+	}
+
+	protected abstract void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage overlay, UnmanagedImage destinationData);
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseInPlaceFilter.cs

@@ -0,0 +1,139 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseInPlaceFilter : IFilter, IInPlaceFilter, IFilterInformation
+{
+	public abstract Dictionary<PixelFormat, PixelFormat> FormatTranslations { get; }
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			val2 = Apply(val);
+			if (((Image)image).HorizontalResolution > 0f && ((Image)image).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)image).HorizontalResolution, ((Image)image).VerticalResolution);
+			}
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+		return val2;
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0022: Invalid comparison between Unknown and I4
+		//IL_0026: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0027: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0041: Unknown result type (might be due to invalid IL or missing references)
+		PixelFormat pixelFormat = imageData.PixelFormat;
+		CheckSourceFormat(pixelFormat);
+		int width = imageData.Width;
+		int height = imageData.Height;
+		Bitmap val = (Bitmap)(((int)pixelFormat == 198659) ? ((object)Image.CreateGrayscaleImage(width, height)) : ((object)new Bitmap(width, height, pixelFormat)));
+		BitmapData val2 = val.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, pixelFormat);
+		SystemTools.CopyUnmanagedMemory(val2.Scan0, imageData.Scan0, imageData.Stride * height);
+		try
+		{
+			ProcessFilter(new UnmanagedImage(val2));
+		}
+		finally
+		{
+			val.UnlockBits(val2);
+		}
+		return val;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		UnmanagedImage unmanagedImage = UnmanagedImage.Create(image.Width, image.Height, image.PixelFormat);
+		Apply(image, unmanagedImage);
+		return unmanagedImage;
+	}
+
+	public unsafe void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0013: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(sourceImage.PixelFormat);
+		if (destinationImage.PixelFormat != sourceImage.PixelFormat)
+		{
+			throw new InvalidImagePropertiesException("Destination pixel format must be the same as pixel format of source image.");
+		}
+		if (destinationImage.Width != sourceImage.Width || destinationImage.Height != sourceImage.Height)
+		{
+			throw new InvalidImagePropertiesException("Destination image must have the same width and height as source image.");
+		}
+		int stride = destinationImage.Stride;
+		int stride2 = sourceImage.Stride;
+		int count = System.Math.Min(stride2, stride);
+		byte* ptr = (byte*)destinationImage.ImageData.ToPointer();
+		byte* ptr2 = (byte*)sourceImage.ImageData.ToPointer();
+		int i = 0;
+		for (int height = sourceImage.Height; i < height; i++)
+		{
+			SystemTools.CopyUnmanagedMemory(ptr, ptr2, count);
+			ptr += stride;
+			ptr2 += stride2;
+		}
+		ProcessFilter(destinationImage);
+	}
+
+	public void ApplyInPlace(Bitmap image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0022: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(((Image)image).PixelFormat);
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)3, ((Image)image).PixelFormat);
+		try
+		{
+			ProcessFilter(new UnmanagedImage(val));
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public void ApplyInPlace(BitmapData imageData)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(imageData.PixelFormat);
+		ProcessFilter(new UnmanagedImage(imageData));
+	}
+
+	public void ApplyInPlace(UnmanagedImage image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		ProcessFilter(image);
+	}
+
+	protected abstract void ProcessFilter(UnmanagedImage image);
+
+	private void CheckSourceFormat(PixelFormat pixelFormat)
+	{
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		if (!FormatTranslations.ContainsKey(pixelFormat))
+		{
+			throw new UnsupportedImageFormatException("Source pixel format is not supported by the filter.");
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseInPlaceFilter2.cs

@@ -0,0 +1,109 @@
+using System;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseInPlaceFilter2 : BaseInPlaceFilter
+{
+	private Bitmap overlayImage;
+
+	private UnmanagedImage unmanagedOverlayImage;
+
+	public Bitmap OverlayImage
+	{
+		get
+		{
+			return overlayImage;
+		}
+		set
+		{
+			overlayImage = value;
+			if (value != null)
+			{
+				unmanagedOverlayImage = null;
+			}
+		}
+	}
+
+	public UnmanagedImage UnmanagedOverlayImage
+	{
+		get
+		{
+			return unmanagedOverlayImage;
+		}
+		set
+		{
+			unmanagedOverlayImage = value;
+			if (value != null)
+			{
+				overlayImage = null;
+			}
+		}
+	}
+
+	protected BaseInPlaceFilter2()
+	{
+	}
+
+	protected BaseInPlaceFilter2(Bitmap overlayImage)
+	{
+		this.overlayImage = overlayImage;
+	}
+
+	protected BaseInPlaceFilter2(UnmanagedImage unmanagedOverlayImage)
+	{
+		this.unmanagedOverlayImage = unmanagedOverlayImage;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage image)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0024: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0098: Unknown result type (might be due to invalid IL or missing references)
+		//IL_009f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_006d: Unknown result type (might be due to invalid IL or missing references)
+		PixelFormat pixelFormat = image.PixelFormat;
+		int width = image.Width;
+		int height = image.Height;
+		if (overlayImage != null)
+		{
+			if (pixelFormat != ((Image)overlayImage).PixelFormat)
+			{
+				throw new InvalidImagePropertiesException("Source and overlay images must have same pixel format.");
+			}
+			if (width != ((Image)overlayImage).Width || height != ((Image)overlayImage).Height)
+			{
+				throw new InvalidImagePropertiesException("Overlay image size must be equal to source image size.");
+			}
+			BitmapData val = overlayImage.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)1, pixelFormat);
+			try
+			{
+				ProcessFilter(image, new UnmanagedImage(val));
+				return;
+			}
+			finally
+			{
+				overlayImage.UnlockBits(val);
+			}
+		}
+		if (unmanagedOverlayImage != null)
+		{
+			if (pixelFormat != unmanagedOverlayImage.PixelFormat)
+			{
+				throw new InvalidImagePropertiesException("Source and overlay images must have same pixel format.");
+			}
+			if (width != unmanagedOverlayImage.Width || height != unmanagedOverlayImage.Height)
+			{
+				throw new InvalidImagePropertiesException("Overlay image size must be equal to source image size.");
+			}
+			ProcessFilter(image, unmanagedOverlayImage);
+			return;
+		}
+		throw new NullReferenceException("Overlay image is not set.");
+	}
+
+	protected abstract void ProcessFilter(UnmanagedImage image, UnmanagedImage overlay);
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseInPlacePartialFilter.cs

@@ -0,0 +1,158 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseInPlacePartialFilter : IFilter, IInPlaceFilter, IInPlacePartialFilter, IFilterInformation
+{
+	public abstract Dictionary<PixelFormat, PixelFormat> FormatTranslations { get; }
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			val2 = Apply(val);
+			if (((Image)image).HorizontalResolution > 0f && ((Image)image).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)image).HorizontalResolution, ((Image)image).VerticalResolution);
+			}
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+		return val2;
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0008: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0022: Invalid comparison between Unknown and I4
+		//IL_0026: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0027: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0041: Unknown result type (might be due to invalid IL or missing references)
+		PixelFormat pixelFormat = imageData.PixelFormat;
+		CheckSourceFormat(pixelFormat);
+		int width = imageData.Width;
+		int height = imageData.Height;
+		Bitmap val = (Bitmap)(((int)pixelFormat == 198659) ? ((object)Image.CreateGrayscaleImage(width, height)) : ((object)new Bitmap(width, height, pixelFormat)));
+		BitmapData val2 = val.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, pixelFormat);
+		SystemTools.CopyUnmanagedMemory(val2.Scan0, imageData.Scan0, imageData.Stride * height);
+		try
+		{
+			ProcessFilter(new UnmanagedImage(val2), new Rectangle(0, 0, width, height));
+		}
+		finally
+		{
+			val.UnlockBits(val2);
+		}
+		return val;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		UnmanagedImage unmanagedImage = UnmanagedImage.Create(image.Width, image.Height, image.PixelFormat);
+		Apply(image, unmanagedImage);
+		return unmanagedImage;
+	}
+
+	public unsafe void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0013: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(sourceImage.PixelFormat);
+		if (destinationImage.PixelFormat != sourceImage.PixelFormat)
+		{
+			throw new InvalidImagePropertiesException("Destination pixel format must be the same as pixel format of source image.");
+		}
+		if (destinationImage.Width != sourceImage.Width || destinationImage.Height != sourceImage.Height)
+		{
+			throw new InvalidImagePropertiesException("Destination image must have the same width and height as source image.");
+		}
+		int stride = destinationImage.Stride;
+		int stride2 = sourceImage.Stride;
+		int count = System.Math.Min(stride2, stride);
+		byte* ptr = (byte*)destinationImage.ImageData.ToPointer();
+		byte* ptr2 = (byte*)sourceImage.ImageData.ToPointer();
+		int i = 0;
+		for (int height = sourceImage.Height; i < height; i++)
+		{
+			SystemTools.CopyUnmanagedMemory(ptr, ptr2, count);
+			ptr += stride;
+			ptr2 += stride2;
+		}
+		ProcessFilter(destinationImage, new Rectangle(0, 0, destinationImage.Width, destinationImage.Height));
+	}
+
+	public void ApplyInPlace(Bitmap image)
+	{
+		ApplyInPlace(image, new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height));
+	}
+
+	public void ApplyInPlace(BitmapData imageData)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(imageData.PixelFormat);
+		ProcessFilter(new UnmanagedImage(imageData), new Rectangle(0, 0, imageData.Width, imageData.Height));
+	}
+
+	public void ApplyInPlace(UnmanagedImage image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		ProcessFilter(image, new Rectangle(0, 0, image.Width, image.Height));
+	}
+
+	public void ApplyInPlace(Bitmap image, Rectangle rect)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)3, ((Image)image).PixelFormat);
+		try
+		{
+			ApplyInPlace(new UnmanagedImage(val), rect);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public void ApplyInPlace(BitmapData imageData, Rectangle rect)
+	{
+		ApplyInPlace(new UnmanagedImage(imageData), rect);
+	}
+
+	public void ApplyInPlace(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		rect.Intersect(new Rectangle(0, 0, image.Width, image.Height));
+		if ((rect.Width | rect.Height) != 0)
+		{
+			ProcessFilter(image, rect);
+		}
+	}
+
+	protected abstract void ProcessFilter(UnmanagedImage image, Rectangle rect);
+
+	private void CheckSourceFormat(PixelFormat pixelFormat)
+	{
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		if (!FormatTranslations.ContainsKey(pixelFormat))
+		{
+			throw new UnsupportedImageFormatException("Source pixel format is not supported by the filter.");
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseResizeFilter.cs

@@ -0,0 +1,46 @@
+using System;
+using System.Drawing;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseResizeFilter : BaseTransformationFilter
+{
+	protected int newWidth;
+
+	protected int newHeight;
+
+	public int NewWidth
+	{
+		get
+		{
+			return newWidth;
+		}
+		set
+		{
+			newWidth = System.Math.Max(1, value);
+		}
+	}
+
+	public int NewHeight
+	{
+		get
+		{
+			return newHeight;
+		}
+		set
+		{
+			newHeight = System.Math.Max(1, value);
+		}
+	}
+
+	protected BaseResizeFilter(int newWidth, int newHeight)
+	{
+		this.newWidth = newWidth;
+		this.newHeight = newHeight;
+	}
+
+	protected override Size CalculateNewImageSize(UnmanagedImage sourceData)
+	{
+		return new Size(newWidth, newHeight);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseRotateFilter.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Drawing;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseRotateFilter : BaseTransformationFilter
+{
+	protected double angle;
+
+	protected bool keepSize;
+
+	protected Color fillColor = Color.FromArgb(0, 0, 0);
+
+	public double Angle
+	{
+		get
+		{
+			return angle;
+		}
+		set
+		{
+			angle = value % 360.0;
+		}
+	}
+
+	public bool KeepSize
+	{
+		get
+		{
+			return keepSize;
+		}
+		set
+		{
+			keepSize = value;
+		}
+	}
+
+	public Color FillColor
+	{
+		get
+		{
+			return fillColor;
+		}
+		set
+		{
+			fillColor = value;
+		}
+	}
+
+	public BaseRotateFilter(double angle)
+	{
+		this.angle = angle;
+	}
+
+	public BaseRotateFilter(double angle, bool keepSize)
+	{
+		this.angle = angle;
+		this.keepSize = keepSize;
+	}
+
+	protected override Size CalculateNewImageSize(UnmanagedImage sourceData)
+	{
+		if (keepSize)
+		{
+			return new Size(sourceData.Width, sourceData.Height);
+		}
+		double num = (0.0 - angle) * System.Math.PI / 180.0;
+		double num2 = System.Math.Cos(num);
+		double num3 = System.Math.Sin(num);
+		double num4 = (double)sourceData.Width / 2.0;
+		double num5 = (double)sourceData.Height / 2.0;
+		double val = num4 * num2;
+		double val2 = num4 * num3;
+		double val3 = num4 * num2 - num5 * num3;
+		double val4 = num4 * num3 + num5 * num2;
+		double val5 = (0.0 - num5) * num3;
+		double val6 = num5 * num2;
+		double val7 = 0.0;
+		double val8 = 0.0;
+		num4 = System.Math.Max(System.Math.Max(val, val3), System.Math.Max(val5, val7)) - System.Math.Min(System.Math.Min(val, val3), System.Math.Min(val5, val7));
+		num5 = System.Math.Max(System.Math.Max(val2, val4), System.Math.Max(val6, val8)) - System.Math.Min(System.Math.Min(val2, val4), System.Math.Min(val6, val8));
+		return new Size((int)(num4 * 2.0 + 0.5), (int)(num5 * 2.0 + 0.5));
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseTransformationFilter.cs

@@ -0,0 +1,101 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseTransformationFilter : IFilter, IFilterInformation
+{
+	public abstract Dictionary<PixelFormat, PixelFormat> FormatTranslations { get; }
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			val2 = Apply(val);
+			if (((Image)image).HorizontalResolution > 0f && ((Image)image).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)image).HorizontalResolution, ((Image)image).VerticalResolution);
+			}
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+		return val2;
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0013: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0031: Invalid comparison between Unknown and I4
+		//IL_0041: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0042: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0074: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(imageData.PixelFormat);
+		PixelFormat val = FormatTranslations[imageData.PixelFormat];
+		Size size = CalculateNewImageSize(new UnmanagedImage(imageData));
+		Bitmap val2 = (Bitmap)(((int)val == 198659) ? ((object)Image.CreateGrayscaleImage(size.Width, size.Height)) : ((object)new Bitmap(size.Width, size.Height, val)));
+		BitmapData val3 = val2.LockBits(new Rectangle(0, 0, size.Width, size.Height), (ImageLockMode)3, val);
+		try
+		{
+			ProcessFilter(new UnmanagedImage(imageData), new UnmanagedImage(val3));
+		}
+		finally
+		{
+			val2.UnlockBits(val3);
+		}
+		return val2;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0029: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002e: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		Size size = CalculateNewImageSize(image);
+		UnmanagedImage unmanagedImage = UnmanagedImage.Create(size.Width, size.Height, FormatTranslations[image.PixelFormat]);
+		ProcessFilter(image, unmanagedImage);
+		return unmanagedImage;
+	}
+
+	public void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001e: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(sourceImage.PixelFormat);
+		if (destinationImage.PixelFormat != FormatTranslations[sourceImage.PixelFormat])
+		{
+			throw new InvalidImagePropertiesException("Destination pixel format is specified incorrectly.");
+		}
+		Size size = CalculateNewImageSize(sourceImage);
+		if (destinationImage.Width != size.Width || destinationImage.Height != size.Height)
+		{
+			throw new InvalidImagePropertiesException("Destination image must have the size expected by the filter.");
+		}
+		ProcessFilter(sourceImage, destinationImage);
+	}
+
+	protected abstract Size CalculateNewImageSize(UnmanagedImage sourceData);
+
+	protected abstract void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData);
+
+	private void CheckSourceFormat(PixelFormat pixelFormat)
+	{
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		if (!FormatTranslations.ContainsKey(pixelFormat))
+		{
+			throw new UnsupportedImageFormatException("Source pixel format is not supported by the filter.");
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BaseUsingCopyPartialFilter.cs

@@ -0,0 +1,149 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class BaseUsingCopyPartialFilter : IFilter, IInPlaceFilter, IInPlacePartialFilter, IFilterInformation
+{
+	public abstract Dictionary<PixelFormat, PixelFormat> FormatTranslations { get; }
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			val2 = Apply(val);
+			if (((Image)image).HorizontalResolution > 0f && ((Image)image).VerticalResolution > 0f)
+			{
+				val2.SetResolution(((Image)image).HorizontalResolution, ((Image)image).VerticalResolution);
+			}
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+		return val2;
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0026: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0032: Invalid comparison between Unknown and I4
+		//IL_0036: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0037: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0051: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(imageData.PixelFormat);
+		int width = imageData.Width;
+		int height = imageData.Height;
+		PixelFormat val = FormatTranslations[imageData.PixelFormat];
+		Bitmap val2 = (Bitmap)(((int)val == 198659) ? ((object)Image.CreateGrayscaleImage(width, height)) : ((object)new Bitmap(width, height, val)));
+		BitmapData val3 = val2.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)3, val);
+		try
+		{
+			ProcessFilter(new UnmanagedImage(imageData), new UnmanagedImage(val3), new Rectangle(0, 0, width, height));
+		}
+		finally
+		{
+			val2.UnlockBits(val3);
+		}
+		return val2;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0024: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		UnmanagedImage unmanagedImage = UnmanagedImage.Create(image.Width, image.Height, FormatTranslations[image.PixelFormat]);
+		ProcessFilter(image, unmanagedImage, new Rectangle(0, 0, image.Width, image.Height));
+		return unmanagedImage;
+	}
+
+	public void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001e: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(sourceImage.PixelFormat);
+		if (destinationImage.PixelFormat != FormatTranslations[sourceImage.PixelFormat])
+		{
+			throw new InvalidImagePropertiesException("Destination pixel format is specified incorrectly.");
+		}
+		if (destinationImage.Width != sourceImage.Width || destinationImage.Height != sourceImage.Height)
+		{
+			throw new InvalidImagePropertiesException("Destination image must have the same width and height as source image.");
+		}
+		ProcessFilter(sourceImage, destinationImage, new Rectangle(0, 0, sourceImage.Width, sourceImage.Height));
+	}
+
+	public void ApplyInPlace(Bitmap image)
+	{
+		ApplyInPlace(image, new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height));
+	}
+
+	public void ApplyInPlace(BitmapData imageData)
+	{
+		ApplyInPlace(new UnmanagedImage(imageData), new Rectangle(0, 0, imageData.Width, imageData.Height));
+	}
+
+	public void ApplyInPlace(UnmanagedImage image)
+	{
+		ApplyInPlace(image, new Rectangle(0, 0, image.Width, image.Height));
+	}
+
+	public void ApplyInPlace(Bitmap image, Rectangle rect)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)3, ((Image)image).PixelFormat);
+		try
+		{
+			ApplyInPlace(new UnmanagedImage(val), rect);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public void ApplyInPlace(BitmapData imageData, Rectangle rect)
+	{
+		ApplyInPlace(new UnmanagedImage(imageData), rect);
+	}
+
+	public void ApplyInPlace(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0002: Unknown result type (might be due to invalid IL or missing references)
+		//IL_006f: Unknown result type (might be due to invalid IL or missing references)
+		CheckSourceFormat(image.PixelFormat);
+		rect.Intersect(new Rectangle(0, 0, image.Width, image.Height));
+		if ((rect.Width | rect.Height) != 0)
+		{
+			int num = image.Stride * image.Height;
+			IntPtr intPtr = MemoryManager.Alloc(num);
+			SystemTools.CopyUnmanagedMemory(intPtr, image.ImageData, num);
+			ProcessFilter(new UnmanagedImage(intPtr, image.Width, image.Height, image.Stride, image.PixelFormat), image, rect);
+			MemoryManager.Free(intPtr);
+		}
+	}
+
+	protected abstract void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect);
+
+	private void CheckSourceFormat(PixelFormat pixelFormat)
+	{
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		if (!FormatTranslations.ContainsKey(pixelFormat))
+		{
+			throw new UnsupportedImageFormatException("Source pixel format is not supported by the filter.");
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BayerDithering.cs

@@ -0,0 +1,15 @@
+namespace AForge.Imaging.Filters;
+
+public sealed class BayerDithering : OrderedDithering
+{
+	public BayerDithering()
+		: base(new byte[4, 4]
+		{
+			{ 0, 192, 48, 240 },
+			{ 128, 64, 176, 112 },
+			{ 32, 224, 16, 208 },
+			{ 160, 96, 144, 80 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BayerFilter.cs

@@ -0,0 +1,149 @@
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BayerFilter : BaseFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	private bool performDemosaicing = true;
+
+	private int[,] bayerPattern = new int[2, 2]
+	{
+		{ 1, 2 },
+		{ 0, 1 }
+	};
+
+	public bool PerformDemosaicing
+	{
+		get
+		{
+			return performDemosaicing;
+		}
+		set
+		{
+			performDemosaicing = value;
+		}
+	}
+
+	public int[,] BayerPattern
+	{
+		get
+		{
+			return bayerPattern;
+		}
+		set
+		{
+			bayerPattern = value;
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BayerFilter()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)137224;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		int num = width - 1;
+		int num2 = height - 1;
+		int stride = sourceData.Stride;
+		int num3 = stride - width;
+		int num4 = destinationData.Stride - width * 3;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		int[] array = new int[3];
+		int[] array2 = new int[3];
+		if (!performDemosaicing)
+		{
+			for (int i = 0; i < height; i++)
+			{
+				int num5 = 0;
+				while (num5 < width)
+				{
+					ptr2[2] = (ptr2[1] = (*ptr2 = 0));
+					ptr2[bayerPattern[i & 1, num5 & 1]] = *ptr;
+					num5++;
+					ptr++;
+					ptr2 += 3;
+				}
+				ptr += num3;
+				ptr2 += num4;
+			}
+			return;
+		}
+		for (int j = 0; j < height; j++)
+		{
+			int num6 = 0;
+			while (num6 < width)
+			{
+				array[0] = (array[1] = (array[2] = 0));
+				array2[0] = (array2[1] = (array2[2] = 0));
+				int num7 = bayerPattern[j & 1, num6 & 1];
+				array[num7] += *ptr;
+				array2[num7]++;
+				if (num6 != 0)
+				{
+					num7 = bayerPattern[j & 1, (num6 - 1) & 1];
+					array[num7] += ptr[-1];
+					array2[num7]++;
+				}
+				if (num6 != num)
+				{
+					num7 = bayerPattern[j & 1, (num6 + 1) & 1];
+					array[num7] += ptr[1];
+					array2[num7]++;
+				}
+				if (j != 0)
+				{
+					num7 = bayerPattern[(j - 1) & 1, num6 & 1];
+					array[num7] += ptr[-stride];
+					array2[num7]++;
+					if (num6 != 0)
+					{
+						num7 = bayerPattern[(j - 1) & 1, (num6 - 1) & 1];
+						array[num7] += ptr[-stride - 1];
+						array2[num7]++;
+					}
+					if (num6 != num)
+					{
+						num7 = bayerPattern[(j - 1) & 1, (num6 + 1) & 1];
+						array[num7] += ptr[-stride + 1];
+						array2[num7]++;
+					}
+				}
+				if (j != num2)
+				{
+					num7 = bayerPattern[(j + 1) & 1, num6 & 1];
+					array[num7] += ptr[stride];
+					array2[num7]++;
+					if (num6 != 0)
+					{
+						num7 = bayerPattern[(j + 1) & 1, (num6 - 1) & 1];
+						array[num7] += ptr[stride - 1];
+						array2[num7]++;
+					}
+					if (num6 != num)
+					{
+						num7 = bayerPattern[(j + 1) & 1, (num6 + 1) & 1];
+						array[num7] += ptr[stride + 1];
+						array2[num7]++;
+					}
+				}
+				ptr2[2] = (byte)(array[2] / array2[2]);
+				ptr2[1] = (byte)(array[1] / array2[1]);
+				*ptr2 = (byte)(array[0] / array2[0]);
+				num6++;
+				ptr++;
+				ptr2 += 3;
+			}
+			ptr += num3;
+			ptr2 += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BayerFilterOptimized.cs

@@ -0,0 +1,271 @@
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BayerFilterOptimized : BaseFilter
+{
+	private BayerPattern bayerPattern;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public BayerPattern Pattern
+	{
+		get
+		{
+			return bayerPattern;
+		}
+		set
+		{
+			bayerPattern = value;
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BayerFilterOptimized()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)137224;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		if ((width & 1) == 1 || (height & 1) == 1 || width < 2 || height < 2)
+		{
+			throw new InvalidImagePropertiesException("Source image must have even width and height. Width and height can not be smaller than 2.");
+		}
+		switch (bayerPattern)
+		{
+		case BayerPattern.GRBG:
+			ApplyGRBG(sourceData, destinationData);
+			break;
+		case BayerPattern.BGGR:
+			ApplyBGGR(sourceData, destinationData);
+			break;
+		}
+	}
+
+	private unsafe void ApplyGRBG(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		int num = width - 1;
+		int num2 = height - 1;
+		int stride = sourceData.Stride;
+		int stride2 = destinationData.Stride;
+		int num3 = stride + 1;
+		int num4 = stride - 1;
+		int num5 = -stride;
+		int num6 = num5 + 1;
+		int num7 = num5 - 1;
+		int num8 = stride - width;
+		int num9 = stride2 - width * 3;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		ptr2[2] = ptr[1];
+		ptr2[1] = (byte)(*ptr + ptr[num3] >> 1);
+		*ptr2 = ptr[stride];
+		ptr++;
+		ptr2 += 3;
+		for (int i = 1; i < num; i += 2)
+		{
+			ptr2[2] = *ptr;
+			ptr2[1] = (byte)((ptr[stride] + ptr[-1] + ptr[1]) / 3);
+			*ptr2 = (byte)(ptr[num4] + ptr[num3] >> 1);
+			ptr++;
+			ptr2 += 3;
+			ptr2[2] = (byte)(ptr[-1] + ptr[1] >> 1);
+			ptr2[1] = (byte)((*ptr + ptr[num4] + ptr[num3]) / 3);
+			*ptr2 = ptr[stride];
+			ptr++;
+			ptr2 += 3;
+		}
+		ptr2[2] = *ptr;
+		ptr2[1] = (byte)(ptr[-1] + ptr[stride] >> 1);
+		*ptr2 = ptr[num4];
+		ptr += num8 + 1;
+		ptr2 += num9 + 3;
+		for (int j = 1; j < num2; j += 2)
+		{
+			ptr2[2] = (byte)(ptr[num6] + ptr[num3] >> 1);
+			ptr2[1] = (byte)((ptr[num5] + ptr[stride] + ptr[1]) / 3);
+			*ptr2 = *ptr;
+			ptr2 += stride2;
+			ptr += stride;
+			ptr2[2] = ptr[1];
+			ptr2[1] = (byte)((*ptr + ptr[num6] + ptr[num3]) / 3);
+			*ptr2 = (byte)(ptr[num5] + ptr[stride] >> 1);
+			ptr2 -= stride2;
+			ptr -= stride;
+			ptr++;
+			ptr2 += 3;
+			for (int k = 1; k < num; k += 2)
+			{
+				ptr2[2] = (byte)(ptr[num5] + ptr[stride] >> 1);
+				ptr2[1] = (byte)((*ptr + ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3]) / 5);
+				*ptr2 = (byte)(ptr[-1] + ptr[1] >> 1);
+				ptr2 += stride2;
+				ptr += stride;
+				ptr2[2] = *ptr;
+				ptr2[1] = (byte)(ptr[num5] + ptr[stride] + ptr[-1] + ptr[1] >> 2);
+				*ptr2 = (byte)(ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3] >> 2);
+				ptr2 += 3;
+				ptr++;
+				ptr2[2] = (byte)(ptr[-1] + ptr[1] >> 1);
+				ptr2[1] = (byte)((*ptr + ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3]) / 5);
+				*ptr2 = (byte)(ptr[num5] + ptr[stride] >> 1);
+				ptr2 -= stride2;
+				ptr -= stride;
+				ptr2[2] = (byte)(ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3] >> 2);
+				ptr2[1] = (byte)(ptr[num5] + ptr[stride] + ptr[-1] + ptr[1] >> 2);
+				*ptr2 = *ptr;
+				ptr2 += 3;
+				ptr++;
+			}
+			ptr2[2] = (byte)(ptr[num5] + ptr[stride] >> 1);
+			ptr2[1] = (byte)((*ptr + ptr[num7] + ptr[num4]) / 3);
+			*ptr2 = ptr[-1];
+			ptr += stride;
+			ptr2 += stride2;
+			ptr2[2] = *ptr;
+			ptr2[1] = (byte)((ptr[num5] + ptr[stride] + ptr[-1]) / 3);
+			*ptr2 = (byte)(ptr[num7] + ptr[num4] >> 1);
+			ptr += num8 + 1;
+			ptr2 += num9 + 3;
+		}
+		ptr2[2] = ptr[num6];
+		ptr2[1] = (byte)(ptr[num5] + ptr[1] >> 1);
+		*ptr2 = *ptr;
+		ptr++;
+		ptr2 += 3;
+		for (int l = 1; l < num; l += 2)
+		{
+			ptr2[2] = ptr[num5];
+			ptr2[1] = (byte)((ptr[num7] + ptr[num6] + *ptr) / 3);
+			*ptr2 = (byte)(ptr[-1] + ptr[1] >> 1);
+			ptr++;
+			ptr2 += 3;
+			ptr2[2] = (byte)(ptr[num7] + ptr[num6] >> 1);
+			ptr2[1] = (byte)((ptr[num5] + ptr[-1] + ptr[1]) / 3);
+			*ptr2 = *ptr;
+			ptr++;
+			ptr2 += 3;
+		}
+		ptr2[2] = ptr[num5];
+		ptr2[1] = (byte)(*ptr + ptr[num7] >> 1);
+		*ptr2 = ptr[-1];
+	}
+
+	private unsafe void ApplyBGGR(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		int num = width - 1;
+		int num2 = height - 1;
+		int stride = sourceData.Stride;
+		int stride2 = destinationData.Stride;
+		int num3 = stride + 1;
+		int num4 = stride - 1;
+		int num5 = -stride;
+		int num6 = num5 + 1;
+		int num7 = num5 - 1;
+		int num8 = stride - width;
+		int num9 = stride2 - width * 3;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		ptr2[2] = ptr[num3];
+		ptr2[1] = (byte)(ptr[1] + ptr[stride] >> 1);
+		*ptr2 = *ptr;
+		ptr++;
+		ptr2 += 3;
+		for (int i = 1; i < num; i += 2)
+		{
+			ptr2[2] = ptr[stride];
+			ptr2[1] = (byte)((*ptr + ptr[num4] + ptr[num3]) / 3);
+			*ptr2 = (byte)(ptr[-1] + ptr[1] >> 1);
+			ptr++;
+			ptr2 += 3;
+			ptr2[2] = (byte)(ptr[num4] + ptr[num3] >> 1);
+			ptr2[1] = (byte)((ptr[-1] + ptr[stride] + ptr[1]) / 3);
+			*ptr2 = *ptr;
+			ptr++;
+			ptr2 += 3;
+		}
+		ptr2[2] = ptr[stride];
+		ptr2[1] = (byte)(*ptr + ptr[num4] >> 1);
+		*ptr2 = ptr[-1];
+		ptr += num8 + 1;
+		ptr2 += num9 + 3;
+		for (int j = 1; j < num2; j += 2)
+		{
+			ptr2[2] = ptr[1];
+			ptr2[1] = (byte)((ptr[num6] + ptr[num3] + *ptr) / 3);
+			*ptr2 = (byte)(ptr[num5] + ptr[stride] >> 1);
+			ptr2 += stride2;
+			ptr += stride;
+			ptr2[2] = (byte)(ptr[num6] + ptr[num3] >> 1);
+			ptr2[1] = (byte)((ptr[1] + ptr[num5] + ptr[stride]) / 3);
+			*ptr2 = *ptr;
+			ptr2 -= stride2;
+			ptr -= stride;
+			ptr++;
+			ptr2 += 3;
+			for (int k = 1; k < num; k += 2)
+			{
+				ptr2[2] = *ptr;
+				ptr2[1] = (byte)(ptr[num5] + ptr[stride] + ptr[-1] + ptr[1] >> 2);
+				*ptr2 = (byte)(ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3] >> 2);
+				ptr2 += stride2;
+				ptr += stride;
+				ptr2[2] = (byte)(ptr[num5] + ptr[stride] >> 1);
+				ptr2[1] = (byte)((*ptr + ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3]) / 5);
+				*ptr2 = (byte)(ptr[-1] + ptr[1] >> 1);
+				ptr2 += 3;
+				ptr++;
+				ptr2[2] = (byte)(ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3] >> 2);
+				ptr2[1] = (byte)(ptr[num5] + ptr[stride] + ptr[-1] + ptr[1] >> 2);
+				*ptr2 = *ptr;
+				ptr2 -= stride2;
+				ptr -= stride;
+				ptr2[2] = (byte)(ptr[-1] + ptr[1] >> 1);
+				ptr2[1] = (byte)((ptr[num7] + ptr[num6] + ptr[num4] + ptr[num3] + *ptr) / 5);
+				*ptr2 = (byte)(ptr[num5] + ptr[stride] >> 1);
+				ptr2 += 3;
+				ptr++;
+			}
+			ptr2[2] = *ptr;
+			ptr2[1] = (byte)((ptr[num5] + ptr[stride] + ptr[-1]) / 3);
+			*ptr2 = (byte)(ptr[num7] + ptr[num4] >> 1);
+			ptr += stride;
+			ptr2 += stride2;
+			ptr2[2] = (byte)(ptr[num5] + ptr[stride] >> 1);
+			ptr2[1] = (byte)((ptr[num7] + ptr[num4] + *ptr) / 3);
+			*ptr2 = ptr[-1];
+			ptr += num8 + 1;
+			ptr2 += num9 + 3;
+		}
+		ptr2[2] = ptr[1];
+		ptr2[1] = (byte)(ptr[num6] + *ptr >> 1);
+		*ptr2 = ptr[num5];
+		ptr++;
+		ptr2 += 3;
+		for (int l = 1; l < num; l += 2)
+		{
+			ptr2[2] = *ptr;
+			ptr2[1] = (byte)((ptr[-1] + ptr[1] + ptr[num5]) / 3);
+			*ptr2 = (byte)(ptr[num7] + ptr[num6] >> 1);
+			ptr++;
+			ptr2 += 3;
+			ptr2[2] = (byte)(ptr[-1] + ptr[1] >> 1);
+			ptr2[1] = (byte)((*ptr + ptr[num7] + ptr[num6]) / 3);
+			*ptr2 = ptr[num5];
+			ptr++;
+			ptr2 += 3;
+		}
+		ptr2[2] = *ptr;
+		ptr2[1] = (byte)(ptr[num5] + ptr[-1] >> 1);
+		*ptr2 = ptr[num7];
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BayerPattern.cs

@@ -0,0 +1,7 @@
+namespace AForge.Imaging.Filters;
+
+public enum BayerPattern
+{
+	GRBG,
+	BGGR
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BilateralSmoothing.cs

@@ -0,0 +1,581 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BilateralSmoothing : BaseUsingCopyPartialFilter
+{
+	private const int maxKernelSize = 255;
+
+	private const int colorsCount = 256;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	private int kernelSize = 9;
+
+	private double spatialFactor = 10.0;
+
+	private double spatialPower = 2.0;
+
+	private double colorFactor = 50.0;
+
+	private double colorPower = 2.0;
+
+	private bool spatialPropertiesChanged = true;
+
+	private bool colorPropertiesChanged = true;
+
+	private bool limitKernelSize = true;
+
+	private bool enableParallelProcessing;
+
+	private double[,] spatialFunc;
+
+	private double[,] colorFunc;
+
+	public bool LimitKernelSize
+	{
+		get
+		{
+			return limitKernelSize;
+		}
+		set
+		{
+			limitKernelSize = value;
+		}
+	}
+
+	public bool EnableParallelProcessing
+	{
+		get
+		{
+			return enableParallelProcessing;
+		}
+		set
+		{
+			enableParallelProcessing = value;
+		}
+	}
+
+	public int KernelSize
+	{
+		get
+		{
+			return kernelSize;
+		}
+		set
+		{
+			if (value > 255)
+			{
+				throw new ArgumentOutOfRangeException("Maximum allowed value of KernelSize property is " + 255);
+			}
+			if (limitKernelSize && value > 25)
+			{
+				throw new ArgumentOutOfRangeException("KernerlSize is larger then 25. Time for applying is significant and may lead to application freezing. In order to use any KernelSize value set property 'LimitKernelSize' to false.");
+			}
+			if (value < 3)
+			{
+				throw new ArgumentOutOfRangeException("KernelSize must be greater than 3");
+			}
+			if (value % 2 == 0)
+			{
+				throw new ArgumentException("KernerlSize must be an odd integer.");
+			}
+			kernelSize = value;
+		}
+	}
+
+	public double SpatialFactor
+	{
+		get
+		{
+			return spatialFactor;
+		}
+		set
+		{
+			spatialFactor = System.Math.Max(1.0, value);
+			spatialPropertiesChanged = true;
+		}
+	}
+
+	public double SpatialPower
+	{
+		get
+		{
+			return spatialPower;
+		}
+		set
+		{
+			spatialPower = System.Math.Max(1.0, value);
+			spatialPropertiesChanged = true;
+		}
+	}
+
+	public double ColorFactor
+	{
+		get
+		{
+			return colorFactor;
+		}
+		set
+		{
+			colorFactor = System.Math.Max(1.0, value);
+			colorPropertiesChanged = true;
+		}
+	}
+
+	public double ColorPower
+	{
+		get
+		{
+			return colorPower;
+		}
+		set
+		{
+			colorPower = System.Math.Max(1.0, value);
+			colorPropertiesChanged = true;
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BilateralSmoothing()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	private void InitSpatialFunc()
+	{
+		if (spatialFunc != null && spatialFunc.Length == kernelSize * kernelSize && !spatialPropertiesChanged)
+		{
+			return;
+		}
+		if (spatialFunc == null || spatialFunc.Length != kernelSize * kernelSize)
+		{
+			spatialFunc = new double[kernelSize, kernelSize];
+		}
+		int num = kernelSize / 2;
+		for (int i = 0; i < kernelSize; i++)
+		{
+			int num2 = i - num;
+			int num3 = num2 * num2;
+			for (int j = 0; j < kernelSize; j++)
+			{
+				int num4 = j - num;
+				int num5 = num4 * num4;
+				spatialFunc[i, j] = System.Math.Exp(-0.5 * System.Math.Pow(System.Math.Sqrt((double)(num3 + num5) / spatialFactor), spatialPower));
+			}
+		}
+		spatialPropertiesChanged = false;
+	}
+
+	private void InitColorFunc()
+	{
+		if (colorFunc != null && !colorPropertiesChanged)
+		{
+			return;
+		}
+		if (colorFunc == null)
+		{
+			colorFunc = new double[256, 256];
+		}
+		for (int i = 0; i < 256; i++)
+		{
+			for (int j = 0; j < 256; j++)
+			{
+				colorFunc[i, j] = System.Math.Exp(-0.5 * System.Math.Pow((double)System.Math.Abs(i - j) / colorFactor, colorPower));
+			}
+		}
+		colorPropertiesChanged = false;
+	}
+
+	private void InitFilter()
+	{
+		InitSpatialFunc();
+		InitColorFunc();
+	}
+
+	protected override void ProcessFilter(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		int num = kernelSize / 2;
+		InitFilter();
+		if (rect.Width <= kernelSize || rect.Height <= kernelSize)
+		{
+			ProcessWithEdgeChecks(source, destination, rect);
+			return;
+		}
+		Rectangle rect2 = rect;
+		rect2.Inflate(-num, -num);
+		if (Environment.ProcessorCount > 1 && enableParallelProcessing)
+		{
+			ProcessWithoutChecksParallel(source, destination, rect2);
+		}
+		else
+		{
+			ProcessWithoutChecks(source, destination, rect2);
+		}
+		ProcessWithEdgeChecks(source, destination, new Rectangle(rect.Left, rect.Top, rect.Width, num));
+		ProcessWithEdgeChecks(source, destination, new Rectangle(rect.Left, rect.Bottom - num, rect.Width, num));
+		ProcessWithEdgeChecks(source, destination, new Rectangle(rect.Left, rect.Top + num, num, rect.Height - num * 2));
+		ProcessWithEdgeChecks(source, destination, new Rectangle(rect.Right - num, rect.Top + num, num, rect.Height - num * 2));
+	}
+
+	private unsafe void ProcessWithoutChecksParallel(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		//IL_0044: Unknown result type (might be due to invalid IL or missing references)
+		int startX = rect.Left;
+		int top = rect.Top;
+		int stopX = rect.Right;
+		int bottom = rect.Bottom;
+		int pixelSize = Image.GetPixelFormatSize(source.PixelFormat) / 8;
+		int num = kernelSize / 2;
+		int num2 = kernelSize * pixelSize;
+		int srcStride = source.Stride;
+		int dstStride = destination.Stride;
+		_ = srcStride;
+		_ = rect.Width;
+		_ = pixelSize;
+		_ = dstStride;
+		_ = rect.Width;
+		_ = pixelSize;
+		int srcKernelFistPixelOffset = num * (srcStride + pixelSize);
+		int srcKernelOffset = srcStride - num2;
+		byte* srcBase = (byte*)source.ImageData.ToPointer();
+		byte* dstBase = (byte*)destination.ImageData.ToPointer();
+		srcBase += (nint)startX * (nint)pixelSize;
+		dstBase += (nint)startX * (nint)pixelSize;
+		if (pixelSize > 1)
+		{
+			Parallel.For(top, bottom, delegate(int y)
+			{
+				byte* ptr = srcBase + (nint)y * (nint)srcStride;
+				byte* ptr2 = dstBase + (nint)y * (nint)dstStride;
+				int num3 = startX;
+				while (num3 < stopX)
+				{
+					byte* ptr3 = ptr + srcKernelFistPixelOffset;
+					double num4 = 0.0;
+					double num5 = 0.0;
+					double num6 = 0.0;
+					double num7 = 0.0;
+					double num8 = 0.0;
+					double num9 = 0.0;
+					byte b = ptr[2];
+					byte b2 = ptr[1];
+					byte b3 = *ptr;
+					int num10 = kernelSize;
+					while (num10 != 0)
+					{
+						num10--;
+						int num11 = kernelSize;
+						while (num11 != 0)
+						{
+							num11--;
+							byte b4 = ptr3[2];
+							byte b5 = ptr3[1];
+							byte b6 = *ptr3;
+							double num12 = spatialFunc[num11, num10] * colorFunc[b4, b];
+							double num13 = spatialFunc[num11, num10] * colorFunc[b5, b2];
+							double num14 = spatialFunc[num11, num10] * colorFunc[b6, b3];
+							num4 += num12;
+							num5 += num13;
+							num6 += num14;
+							num7 += num12 * (double)(int)b4;
+							num8 += num13 * (double)(int)b5;
+							num9 += num14 * (double)(int)b6;
+							ptr3 -= pixelSize;
+						}
+						ptr3 -= srcKernelOffset;
+					}
+					ptr2[2] = (byte)(num7 / num4);
+					ptr2[1] = (byte)(num8 / num5);
+					*ptr2 = (byte)(num9 / num6);
+					num3++;
+					ptr += pixelSize;
+					ptr2 += pixelSize;
+				}
+			});
+			return;
+		}
+		Parallel.For(top, bottom, delegate(int y)
+		{
+			byte* ptr = srcBase + (nint)y * (nint)srcStride;
+			byte* ptr2 = dstBase + (nint)y * (nint)dstStride;
+			int num3 = startX;
+			while (num3 < stopX)
+			{
+				byte* ptr3 = ptr + srcKernelFistPixelOffset;
+				double num4 = 0.0;
+				double num5 = 0.0;
+				byte b = *ptr;
+				int num6 = kernelSize;
+				while (num6 != 0)
+				{
+					num6--;
+					int num7 = kernelSize;
+					while (num7 != 0)
+					{
+						num7--;
+						byte b2 = *ptr3;
+						double num8 = spatialFunc[num7, num6] * colorFunc[b2, b];
+						num4 += num8;
+						num5 += num8 * (double)(int)b2;
+						ptr3 -= pixelSize;
+					}
+					ptr3 -= srcKernelOffset;
+				}
+				*ptr2 = (byte)(num5 / num4);
+				num3++;
+				ptr++;
+				ptr2++;
+			}
+		});
+	}
+
+	private unsafe void ProcessWithoutChecks(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		//IL_0021: Unknown result type (might be due to invalid IL or missing references)
+		int left = rect.Left;
+		int top = rect.Top;
+		int right = rect.Right;
+		int bottom = rect.Bottom;
+		int num = Image.GetPixelFormatSize(source.PixelFormat) / 8;
+		int num2 = kernelSize / 2;
+		int num3 = kernelSize * num;
+		int stride = source.Stride;
+		int stride2 = destination.Stride;
+		int num4 = stride - rect.Width * num;
+		int num5 = stride2 - rect.Width * num;
+		int num6 = num2 * (stride + num);
+		int num7 = stride - num3;
+		byte* ptr = (byte*)source.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destination.ImageData.ToPointer();
+		ptr += top * stride + left * num;
+		ptr2 += top * stride2 + left * num;
+		if (num > 1)
+		{
+			for (int i = top; i < bottom; i++)
+			{
+				int num8 = left;
+				while (num8 < right)
+				{
+					byte* ptr3 = ptr + num6;
+					double num9 = 0.0;
+					double num10 = 0.0;
+					double num11 = 0.0;
+					double num12 = 0.0;
+					double num13 = 0.0;
+					double num14 = 0.0;
+					byte b = ptr[2];
+					byte b2 = ptr[1];
+					byte b3 = *ptr;
+					int num15 = kernelSize;
+					while (num15 != 0)
+					{
+						num15--;
+						int num16 = kernelSize;
+						while (num16 != 0)
+						{
+							num16--;
+							byte b4 = ptr3[2];
+							byte b5 = ptr3[1];
+							byte b6 = *ptr3;
+							double num17 = spatialFunc[num16, num15] * colorFunc[b4, b];
+							double num18 = spatialFunc[num16, num15] * colorFunc[b5, b2];
+							double num19 = spatialFunc[num16, num15] * colorFunc[b6, b3];
+							num9 += num17;
+							num10 += num18;
+							num11 += num19;
+							num12 += num17 * (double)(int)b4;
+							num13 += num18 * (double)(int)b5;
+							num14 += num19 * (double)(int)b6;
+							ptr3 -= num;
+						}
+						ptr3 -= num7;
+					}
+					ptr2[2] = (byte)(num12 / num9);
+					ptr2[1] = (byte)(num13 / num10);
+					*ptr2 = (byte)(num14 / num11);
+					num8++;
+					ptr += num;
+					ptr2 += num;
+				}
+				ptr += num4;
+				ptr2 += num5;
+			}
+			return;
+		}
+		for (int j = top; j < bottom; j++)
+		{
+			int num20 = left;
+			while (num20 < right)
+			{
+				byte* ptr4 = ptr + num6;
+				double num21 = 0.0;
+				double num22 = 0.0;
+				byte b7 = *ptr;
+				int num15 = kernelSize;
+				while (num15 != 0)
+				{
+					num15--;
+					int num16 = kernelSize;
+					while (num16 != 0)
+					{
+						num16--;
+						byte b8 = *ptr4;
+						double num23 = spatialFunc[num16, num15] * colorFunc[b8, b7];
+						num21 += num23;
+						num22 += num23 * (double)(int)b8;
+						ptr4 -= num;
+					}
+					ptr4 -= num7;
+				}
+				*ptr2 = (byte)(num22 / num21);
+				num20++;
+				ptr++;
+				ptr2++;
+			}
+			ptr += num4;
+			ptr2 += num5;
+		}
+	}
+
+	private unsafe void ProcessWithEdgeChecks(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		//IL_0031: Unknown result type (might be due to invalid IL or missing references)
+		int width = source.Width;
+		int height = source.Height;
+		int left = rect.Left;
+		int top = rect.Top;
+		int right = rect.Right;
+		int bottom = rect.Bottom;
+		int num = Image.GetPixelFormatSize(source.PixelFormat) / 8;
+		int num2 = kernelSize / 2;
+		int num3 = kernelSize * num;
+		int stride = source.Stride;
+		int stride2 = destination.Stride;
+		int num4 = stride - rect.Width * num;
+		int num5 = stride2 - rect.Width * num;
+		int num6 = num2 * (stride + num);
+		int num7 = stride - num3;
+		byte* ptr = (byte*)source.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destination.ImageData.ToPointer();
+		ptr += top * stride + left * num;
+		ptr2 += top * stride2 + left * num;
+		if (num > 1)
+		{
+			for (int i = top; i < bottom; i++)
+			{
+				int num8 = left;
+				while (num8 < right)
+				{
+					byte* ptr3 = ptr + num6;
+					double num9 = 0.0;
+					double num10 = 0.0;
+					double num11 = 0.0;
+					double num12 = 0.0;
+					double num13 = 0.0;
+					double num14 = 0.0;
+					byte b = ptr[2];
+					byte b2 = ptr[1];
+					byte b3 = *ptr;
+					int num15 = kernelSize;
+					while (num15 != 0)
+					{
+						num15--;
+						int num16 = num15 - num2;
+						if (num16 + i >= height || num16 + i < 0)
+						{
+							ptr3 -= stride;
+							continue;
+						}
+						int num17 = kernelSize;
+						while (num17 != 0)
+						{
+							num17--;
+							int num18 = num17 - num2;
+							if (num18 + num8 >= width || num18 + num8 < 0)
+							{
+								ptr3 -= num;
+								continue;
+							}
+							byte b4 = ptr3[2];
+							byte b5 = ptr3[1];
+							byte b6 = *ptr3;
+							double num19 = spatialFunc[num17, num15] * colorFunc[b4, b];
+							double num20 = spatialFunc[num17, num15] * colorFunc[b5, b2];
+							double num21 = spatialFunc[num17, num15] * colorFunc[b6, b3];
+							num9 += num19;
+							num10 += num20;
+							num11 += num21;
+							num12 += num19 * (double)(int)b4;
+							num13 += num20 * (double)(int)b5;
+							num14 += num21 * (double)(int)b6;
+							ptr3 -= num;
+						}
+						ptr3 -= num7;
+					}
+					ptr2[2] = (byte)(num12 / num9);
+					ptr2[1] = (byte)(num13 / num10);
+					*ptr2 = (byte)(num14 / num11);
+					num8++;
+					ptr += num;
+					ptr2 += num;
+				}
+				ptr += num4;
+				ptr2 += num5;
+			}
+			return;
+		}
+		for (int j = top; j < bottom; j++)
+		{
+			int num22 = left;
+			while (num22 < right)
+			{
+				byte* ptr4 = ptr + num6;
+				double num23 = 0.0;
+				double num24 = 0.0;
+				byte b7 = *ptr;
+				int num15 = kernelSize;
+				while (num15 != 0)
+				{
+					num15--;
+					int num16 = num15 - num2;
+					if (num16 + j >= height || num16 + j < 0)
+					{
+						ptr4 -= stride;
+						continue;
+					}
+					int num17 = kernelSize;
+					while (num17 != 0)
+					{
+						num17--;
+						int num18 = num17 - num2;
+						if (num18 + num22 >= source.Width || num18 + num22 < 0)
+						{
+							ptr4 -= num;
+							continue;
+						}
+						byte b8 = *ptr4;
+						double num25 = spatialFunc[num17, num15] * colorFunc[b8, b7];
+						num23 += num25;
+						num24 += num25 * (double)(int)b8;
+						ptr4 -= num;
+					}
+					ptr4 -= num7;
+				}
+				*ptr2 = (byte)(num24 / num23);
+				num22++;
+				ptr++;
+				ptr2++;
+			}
+			ptr += num4;
+			ptr2 += num5;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BinaryDilatation3x3.cs

@@ -0,0 +1,80 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BinaryDilatation3x3 : BaseUsingCopyPartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BinaryDilatation3x3()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect)
+	{
+		if (rect.Width < 3 || rect.Height < 3)
+		{
+			throw new InvalidImagePropertiesException("Processing rectangle mast be at least 3x3 in size.");
+		}
+		int num = rect.Left + 1;
+		int num2 = rect.Top + 1;
+		int num3 = rect.Right - 1;
+		int num4 = rect.Bottom - 1;
+		int stride = destinationData.Stride;
+		int stride2 = sourceData.Stride;
+		int num5 = stride - rect.Width + 1;
+		int num6 = stride2 - rect.Width + 1;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		ptr += num - 1 + (num2 - 1) * stride2;
+		ptr2 += num - 1 + (num2 - 1) * stride;
+		*ptr2 = (byte)(*ptr | ptr[1] | ptr[stride2] | ptr[stride2 + 1]);
+		ptr++;
+		ptr2++;
+		int num7 = num;
+		while (num7 < num3)
+		{
+			*ptr2 = (byte)(*ptr | ptr[-1] | ptr[1] | ptr[stride2] | ptr[stride2 - 1] | ptr[stride2 + 1]);
+			num7++;
+			ptr++;
+			ptr2++;
+		}
+		*ptr2 = (byte)(*ptr | ptr[-1] | ptr[stride2] | ptr[stride2 - 1]);
+		ptr += num6;
+		ptr2 += num5;
+		for (int i = num2; i < num4; i++)
+		{
+			*ptr2 = (byte)(*ptr | ptr[1] | ptr[-stride2] | ptr[-stride2 + 1] | ptr[stride2] | ptr[stride2 + 1]);
+			ptr++;
+			ptr2++;
+			int num8 = num;
+			while (num8 < num3)
+			{
+				*ptr2 = (byte)(*ptr | ptr[-1] | ptr[1] | ptr[-stride2] | ptr[-stride2 - 1] | ptr[-stride2 + 1] | ptr[stride2] | ptr[stride2 - 1] | ptr[stride2 + 1]);
+				num8++;
+				ptr++;
+				ptr2++;
+			}
+			*ptr2 = (byte)(*ptr | ptr[-1] | ptr[-stride2] | ptr[-stride2 - 1] | ptr[stride2] | ptr[stride2 - 1]);
+			ptr += num6;
+			ptr2 += num5;
+		}
+		*ptr2 = (byte)(*ptr | ptr[1] | ptr[-stride2] | ptr[-stride2 + 1]);
+		ptr++;
+		ptr2++;
+		int num9 = num;
+		while (num9 < num3)
+		{
+			*ptr2 = (byte)(*ptr | ptr[-1] | ptr[1] | ptr[-stride2] | ptr[-stride2 - 1] | ptr[-stride2 + 1]);
+			num9++;
+			ptr++;
+			ptr2++;
+		}
+		*ptr2 = (byte)(*ptr | ptr[-1] | ptr[-stride2] | ptr[-stride2 - 1]);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BinaryErosion3x3.cs

@@ -0,0 +1,74 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BinaryErosion3x3 : BaseUsingCopyPartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BinaryErosion3x3()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect)
+	{
+		if (rect.Width < 3 || rect.Height < 3)
+		{
+			throw new InvalidImagePropertiesException("Processing rectangle mast be at least 3x3 in size.");
+		}
+		int num = rect.Left + 1;
+		int num2 = rect.Top + 1;
+		int num3 = rect.Right - 1;
+		int num4 = rect.Bottom - 1;
+		int stride = destinationData.Stride;
+		int stride2 = sourceData.Stride;
+		int num5 = stride - rect.Width + 1;
+		int num6 = stride2 - rect.Width + 1;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		ptr += num - 1 + (num2 - 1) * stride2;
+		ptr2 += num - 1 + (num2 - 1) * stride;
+		int num7 = num - 1;
+		while (num7 < num3)
+		{
+			*ptr2 = 0;
+			num7++;
+			ptr++;
+			ptr2++;
+		}
+		*ptr2 = 0;
+		ptr += num6;
+		ptr2 += num5;
+		for (int i = num2; i < num4; i++)
+		{
+			*ptr2 = 0;
+			ptr++;
+			ptr2++;
+			int num8 = num;
+			while (num8 < num3)
+			{
+				*ptr2 = (byte)(*ptr & ptr[-1] & ptr[1] & ptr[-stride2] & ptr[-stride2 - 1] & ptr[-stride2 + 1] & ptr[stride2] & ptr[stride2 - 1] & ptr[stride2 + 1]);
+				num8++;
+				ptr++;
+				ptr2++;
+			}
+			*ptr2 = 0;
+			ptr += num6;
+			ptr2 += num5;
+		}
+		int num9 = num - 1;
+		while (num9 < num3)
+		{
+			*ptr2 = 0;
+			num9++;
+			ptr++;
+			ptr2++;
+		}
+		*ptr2 = 0;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BlobsFiltering.cs

@@ -0,0 +1,173 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BlobsFiltering : BaseInPlaceFilter
+{
+	private BlobCounter blobCounter = new BlobCounter();
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public bool CoupledSizeFiltering
+	{
+		get
+		{
+			return blobCounter.CoupledSizeFiltering;
+		}
+		set
+		{
+			blobCounter.CoupledSizeFiltering = value;
+		}
+	}
+
+	public int MinWidth
+	{
+		get
+		{
+			return blobCounter.MinWidth;
+		}
+		set
+		{
+			blobCounter.MinWidth = value;
+		}
+	}
+
+	public int MinHeight
+	{
+		get
+		{
+			return blobCounter.MinHeight;
+		}
+		set
+		{
+			blobCounter.MinHeight = value;
+		}
+	}
+
+	public int MaxWidth
+	{
+		get
+		{
+			return blobCounter.MaxWidth;
+		}
+		set
+		{
+			blobCounter.MaxWidth = value;
+		}
+	}
+
+	public int MaxHeight
+	{
+		get
+		{
+			return blobCounter.MaxHeight;
+		}
+		set
+		{
+			blobCounter.MaxHeight = value;
+		}
+	}
+
+	public IBlobsFilter BlobsFilter
+	{
+		get
+		{
+			return blobCounter.BlobsFilter;
+		}
+		set
+		{
+			blobCounter.BlobsFilter = value;
+		}
+	}
+
+	public BlobsFiltering()
+	{
+		blobCounter.FilterBlobs = true;
+		blobCounter.MinWidth = 1;
+		blobCounter.MinHeight = 1;
+		blobCounter.MaxWidth = int.MaxValue;
+		blobCounter.MaxHeight = int.MaxValue;
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)925707] = (PixelFormat)925707;
+	}
+
+	public BlobsFiltering(int minWidth, int minHeight, int maxWidth, int maxHeight)
+		: this(minWidth, minHeight, maxWidth, maxHeight, coupledSizeFiltering: false)
+	{
+	}
+
+	public BlobsFiltering(int minWidth, int minHeight, int maxWidth, int maxHeight, bool coupledSizeFiltering)
+		: this()
+	{
+		blobCounter.MinWidth = minWidth;
+		blobCounter.MinHeight = minHeight;
+		blobCounter.MaxWidth = maxWidth;
+		blobCounter.MaxHeight = maxHeight;
+		blobCounter.CoupledSizeFiltering = coupledSizeFiltering;
+	}
+
+	public BlobsFiltering(IBlobsFilter blobsFilter)
+		: this()
+	{
+		blobCounter.BlobsFilter = blobsFilter;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image)
+	{
+		//IL_0037: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0041: Invalid comparison between Unknown and I4
+		//IL_008b: Unknown result type (might be due to invalid IL or missing references)
+		blobCounter.ProcessImage(image);
+		int[] objectLabels = blobCounter.ObjectLabels;
+		int width = image.Width;
+		int height = image.Height;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		if ((int)image.PixelFormat == 198659)
+		{
+			int num = image.Stride - width;
+			int i = 0;
+			int num2 = 0;
+			for (; i < height; i++)
+			{
+				int num3 = 0;
+				while (num3 < width)
+				{
+					if (objectLabels[num2] == 0)
+					{
+						*ptr = 0;
+					}
+					num3++;
+					ptr++;
+					num2++;
+				}
+				ptr += num;
+			}
+			return;
+		}
+		int num4 = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int num5 = image.Stride - width * num4;
+		int j = 0;
+		int num6 = 0;
+		for (; j < height; j++)
+		{
+			int num7 = 0;
+			while (num7 < width)
+			{
+				if (objectLabels[num6] == 0)
+				{
+					ptr[2] = (ptr[1] = (*ptr = 0));
+				}
+				num7++;
+				ptr += num4;
+				num6++;
+			}
+			ptr += num5;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Blur.cs

@@ -0,0 +1,17 @@
+namespace AForge.Imaging.Filters;
+
+public sealed class Blur : Convolution
+{
+	public Blur()
+		: base(new int[5, 5]
+		{
+			{ 1, 2, 3, 2, 1 },
+			{ 2, 4, 5, 4, 2 },
+			{ 3, 5, 6, 5, 3 },
+			{ 2, 4, 5, 4, 2 },
+			{ 1, 2, 3, 2, 1 }
+		})
+	{
+		base.ProcessAlpha = true;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BottomHat.cs

@@ -0,0 +1,38 @@
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BottomHat : BaseInPlaceFilter
+{
+	private Closing closing = new Closing();
+
+	private Subtract subtract = new Subtract();
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BottomHat()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+	}
+
+	public BottomHat(short[,] se)
+		: this()
+	{
+		closing = new Closing(se);
+	}
+
+	protected override void ProcessFilter(UnmanagedImage image)
+	{
+		UnmanagedImage unmanagedImage = image.Clone();
+		closing.ApplyInPlace(image);
+		subtract.UnmanagedOverlayImage = unmanagedImage;
+		subtract.ApplyInPlace(image);
+		unmanagedImage.Dispose();
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BradleyLocalThresholding.cs

@@ -0,0 +1,89 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BradleyLocalThresholding : BaseInPlaceFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	private int windowSize = 41;
+
+	private float pixelBrightnessDifferenceLimit = 0.15f;
+
+	public int WindowSize
+	{
+		get
+		{
+			return windowSize;
+		}
+		set
+		{
+			windowSize = System.Math.Max(3, value | 1);
+		}
+	}
+
+	public float PixelBrightnessDifferenceLimit
+	{
+		get
+		{
+			return pixelBrightnessDifferenceLimit;
+		}
+		set
+		{
+			pixelBrightnessDifferenceLimit = System.Math.Max(0f, System.Math.Min(1f, value));
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BradleyLocalThresholding()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image)
+	{
+		IntegralImage integralImage = IntegralImage.FromBitmap(image);
+		int width = image.Width;
+		int height = image.Height;
+		int num = width - 1;
+		int num2 = height - 1;
+		int num3 = image.Stride - width;
+		int num4 = windowSize / 2;
+		float num5 = 1f - pixelBrightnessDifferenceLimit;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		for (int i = 0; i < height; i++)
+		{
+			int num6 = i - num4;
+			int num7 = i + num4;
+			if (num6 < 0)
+			{
+				num6 = 0;
+			}
+			if (num7 > num2)
+			{
+				num7 = num2;
+			}
+			int num8 = 0;
+			while (num8 < width)
+			{
+				int num9 = num8 - num4;
+				int num10 = num8 + num4;
+				if (num9 < 0)
+				{
+					num9 = 0;
+				}
+				if (num10 > num)
+				{
+					num10 = num;
+				}
+				*ptr = (byte)((*ptr >= (int)(integralImage.GetRectangleMeanUnsafe(num9, num6, num10, num7) * num5)) ? 255u : 0u);
+				num8++;
+				ptr++;
+			}
+			ptr += num3;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BrightnessCorrection.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class BrightnessCorrection : BaseInPlacePartialFilter
+{
+	private LevelsLinear baseFilter = new LevelsLinear();
+
+	private int adjustValue;
+
+	public int AdjustValue
+	{
+		get
+		{
+			return adjustValue;
+		}
+		set
+		{
+			adjustValue = System.Math.Max(-255, System.Math.Min(255, value));
+			if (adjustValue > 0)
+			{
+				LevelsLinear levelsLinear = baseFilter;
+				LevelsLinear levelsLinear2 = baseFilter;
+				LevelsLinear levelsLinear3 = baseFilter;
+				IntRange intRange = (baseFilter.InGray = new IntRange(0, 255 - adjustValue));
+				IntRange intRange3 = (levelsLinear3.InBlue = intRange);
+				IntRange inRed = (levelsLinear2.InGreen = intRange3);
+				levelsLinear.InRed = inRed;
+				LevelsLinear levelsLinear4 = baseFilter;
+				LevelsLinear levelsLinear5 = baseFilter;
+				LevelsLinear levelsLinear6 = baseFilter;
+				IntRange intRange6 = (baseFilter.OutGray = new IntRange(adjustValue, 255));
+				IntRange intRange8 = (levelsLinear6.OutBlue = intRange6);
+				IntRange outRed = (levelsLinear5.OutGreen = intRange8);
+				levelsLinear4.OutRed = outRed;
+			}
+			else
+			{
+				LevelsLinear levelsLinear7 = baseFilter;
+				LevelsLinear levelsLinear8 = baseFilter;
+				LevelsLinear levelsLinear9 = baseFilter;
+				IntRange intRange11 = (baseFilter.InGray = new IntRange(-adjustValue, 255));
+				IntRange intRange13 = (levelsLinear9.InBlue = intRange11);
+				IntRange inRed2 = (levelsLinear8.InGreen = intRange13);
+				levelsLinear7.InRed = inRed2;
+				LevelsLinear levelsLinear10 = baseFilter;
+				LevelsLinear levelsLinear11 = baseFilter;
+				LevelsLinear levelsLinear12 = baseFilter;
+				IntRange intRange16 = (baseFilter.OutGray = new IntRange(0, 255 + adjustValue));
+				IntRange intRange18 = (levelsLinear12.OutBlue = intRange16);
+				IntRange outRed2 = (levelsLinear11.OutGreen = intRange18);
+				levelsLinear10.OutRed = outRed2;
+			}
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => baseFilter.FormatTranslations;
+
+	public BrightnessCorrection()
+	{
+		AdjustValue = 10;
+	}
+
+	public BrightnessCorrection(int adjustValue)
+	{
+		AdjustValue = adjustValue;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		baseFilter.ApplyInPlace(image, rect);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/BurkesDithering.cs

@@ -0,0 +1,13 @@
+namespace AForge.Imaging.Filters;
+
+public sealed class BurkesDithering : ErrorDiffusionToAdjacentNeighbors
+{
+	public BurkesDithering()
+		: base(new int[2][]
+		{
+			new int[2] { 8, 4 },
+			new int[5] { 2, 4, 8, 4, 2 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/CannyEdgeDetector.cs

@@ -0,0 +1,207 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class CannyEdgeDetector : BaseUsingCopyPartialFilter
+{
+	private GaussianBlur gaussianFilter = new GaussianBlur();
+
+	private byte lowThreshold = 20;
+
+	private byte highThreshold = 100;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public byte LowThreshold
+	{
+		get
+		{
+			return lowThreshold;
+		}
+		set
+		{
+			lowThreshold = value;
+		}
+	}
+
+	public byte HighThreshold
+	{
+		get
+		{
+			return highThreshold;
+		}
+		set
+		{
+			highThreshold = value;
+		}
+	}
+
+	public double GaussianSigma
+	{
+		get
+		{
+			return gaussianFilter.Sigma;
+		}
+		set
+		{
+			gaussianFilter.Sigma = value;
+		}
+	}
+
+	public int GaussianSize
+	{
+		get
+		{
+			return gaussianFilter.Size;
+		}
+		set
+		{
+			gaussianFilter.Size = value;
+		}
+	}
+
+	public CannyEdgeDetector()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	public CannyEdgeDetector(byte lowThreshold, byte highThreshold)
+		: this()
+	{
+		this.lowThreshold = lowThreshold;
+		this.highThreshold = highThreshold;
+	}
+
+	public CannyEdgeDetector(byte lowThreshold, byte highThreshold, double sigma)
+		: this()
+	{
+		this.lowThreshold = lowThreshold;
+		this.highThreshold = highThreshold;
+		gaussianFilter.Sigma = sigma;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		int num = rect.Left + 1;
+		int num2 = rect.Top + 1;
+		int num3 = num + rect.Width - 2;
+		int num4 = num2 + rect.Height - 2;
+		int num5 = rect.Width - 2;
+		int num6 = rect.Height - 2;
+		int stride = destination.Stride;
+		int stride2 = source.Stride;
+		int num7 = stride - rect.Width + 2;
+		int num8 = stride2 - rect.Width + 2;
+		double num9 = 180.0 / System.Math.PI;
+		float num10 = 0f;
+		float num11 = 0f;
+		UnmanagedImage unmanagedImage = gaussianFilter.Apply(source);
+		byte[] array = new byte[num5 * num6];
+		float[,] array2 = new float[source.Width, source.Height];
+		float num12 = float.NegativeInfinity;
+		byte* ptr = (byte*)unmanagedImage.ImageData.ToPointer();
+		ptr += stride2 * num2 + num;
+		int num13 = 0;
+		for (int i = num2; i < num4; i++)
+		{
+			int num14 = num;
+			while (num14 < num3)
+			{
+				int num15 = ptr[-stride2 + 1] + ptr[stride2 + 1] - ptr[-stride2 - 1] - ptr[stride2 - 1] + 2 * (ptr[1] - ptr[-1]);
+				int num16 = ptr[-stride2 - 1] + ptr[-stride2 + 1] - ptr[stride2 - 1] - ptr[stride2 + 1] + 2 * (ptr[-stride2] - ptr[stride2]);
+				array2[num14, i] = (float)System.Math.Sqrt(num15 * num15 + num16 * num16);
+				if (array2[num14, i] > num12)
+				{
+					num12 = array2[num14, i];
+				}
+				double num17;
+				if (num15 == 0)
+				{
+					num17 = ((num16 != 0) ? 90 : 0);
+				}
+				else
+				{
+					double num18 = (double)num16 / (double)num15;
+					num17 = ((!(num18 < 0.0)) ? (System.Math.Atan(num18) * num9) : (180.0 - System.Math.Atan(0.0 - num18) * num9));
+					num17 = ((!(num17 < 22.5)) ? ((!(num17 < 67.5)) ? ((!(num17 < 112.5)) ? ((!(num17 < 157.5)) ? 0.0 : 135.0) : 90.0) : 45.0) : 0.0);
+				}
+				array[num13] = (byte)num17;
+				num14++;
+				ptr++;
+				num13++;
+			}
+			ptr += num8;
+		}
+		byte* ptr2 = (byte*)destination.ImageData.ToPointer();
+		ptr2 += stride * num2 + num;
+		num13 = 0;
+		for (int j = num2; j < num4; j++)
+		{
+			int num19 = num;
+			while (num19 < num3)
+			{
+				switch (array[num13])
+				{
+				case 0:
+					num10 = array2[num19 - 1, j];
+					num11 = array2[num19 + 1, j];
+					break;
+				case 45:
+					num10 = array2[num19 - 1, j + 1];
+					num11 = array2[num19 + 1, j - 1];
+					break;
+				case 90:
+					num10 = array2[num19, j + 1];
+					num11 = array2[num19, j - 1];
+					break;
+				case 135:
+					num10 = array2[num19 + 1, j + 1];
+					num11 = array2[num19 - 1, j - 1];
+					break;
+				}
+				if (array2[num19, j] < num10 || array2[num19, j] < num11)
+				{
+					*ptr2 = 0;
+				}
+				else
+				{
+					*ptr2 = (byte)(array2[num19, j] / num12 * 255f);
+				}
+				num19++;
+				ptr2++;
+				num13++;
+			}
+			ptr2 += num7;
+		}
+		ptr2 = (byte*)destination.ImageData.ToPointer();
+		ptr2 += stride * num2 + num;
+		for (int k = num2; k < num4; k++)
+		{
+			int num20 = num;
+			while (num20 < num3)
+			{
+				if (*ptr2 < highThreshold)
+				{
+					if (*ptr2 < lowThreshold)
+					{
+						*ptr2 = 0;
+					}
+					else if (ptr2[-1] < highThreshold && ptr2[1] < highThreshold && ptr2[-stride - 1] < highThreshold && ptr2[-stride] < highThreshold && ptr2[-stride + 1] < highThreshold && ptr2[stride - 1] < highThreshold && ptr2[stride] < highThreshold && ptr2[stride + 1] < highThreshold)
+					{
+						*ptr2 = 0;
+					}
+				}
+				num20++;
+				ptr2++;
+			}
+			ptr2 += num7;
+		}
+		Drawing.Rectangle(destination, rect, Color.Black);
+		unmanagedImage.Dispose();
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/CanvasCrop.cs

@@ -0,0 +1,146 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class CanvasCrop : BaseInPlaceFilter
+{
+	private byte fillRed = byte.MaxValue;
+
+	private byte fillGreen = byte.MaxValue;
+
+	private byte fillBlue = byte.MaxValue;
+
+	private byte fillGray = byte.MaxValue;
+
+	private Rectangle region;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Color FillColorRGB
+	{
+		get
+		{
+			return Color.FromArgb(fillRed, fillGreen, fillBlue);
+		}
+		set
+		{
+			fillRed = value.R;
+			fillGreen = value.G;
+			fillBlue = value.B;
+		}
+	}
+
+	public byte FillColorGray
+	{
+		get
+		{
+			return fillGray;
+		}
+		set
+		{
+			fillGray = value;
+		}
+	}
+
+	public Rectangle Region
+	{
+		get
+		{
+			return region;
+		}
+		set
+		{
+			region = value;
+		}
+	}
+
+	private CanvasCrop()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+	}
+
+	public CanvasCrop(Rectangle region)
+		: this()
+	{
+		this.region = region;
+	}
+
+	public CanvasCrop(Rectangle region, Color fillColorRGB)
+		: this()
+	{
+		this.region = region;
+		fillRed = fillColorRGB.R;
+		fillGreen = fillColorRGB.G;
+		fillBlue = fillColorRGB.B;
+	}
+
+	public CanvasCrop(Rectangle region, byte fillColorGray)
+		: this()
+	{
+		this.region = region;
+		fillGray = fillColorGray;
+	}
+
+	public CanvasCrop(Rectangle region, Color fillColorRGB, byte fillColorGray)
+		: this()
+	{
+		this.region = region;
+		fillRed = fillColorRGB.R;
+		fillGreen = fillColorRGB.G;
+		fillBlue = fillColorRGB.B;
+		fillGray = fillColorGray;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0039: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0043: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int width = image.Width;
+		int height = image.Height;
+		int num2 = image.Stride - width * num;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		if ((int)image.PixelFormat == 198659)
+		{
+			for (int i = 0; i < height; i++)
+			{
+				int num3 = 0;
+				while (num3 < width)
+				{
+					if (!region.Contains(num3, i))
+					{
+						*ptr = fillGray;
+					}
+					num3++;
+					ptr++;
+				}
+				ptr += num2;
+			}
+			return;
+		}
+		for (int j = 0; j < height; j++)
+		{
+			int num4 = 0;
+			while (num4 < width)
+			{
+				if (!region.Contains(num4, j))
+				{
+					ptr[2] = fillRed;
+					ptr[1] = fillGreen;
+					*ptr = fillBlue;
+				}
+				num4++;
+				ptr += num;
+			}
+			ptr += num2;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/CanvasFill.cs

@@ -0,0 +1,149 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class CanvasFill : BaseInPlaceFilter
+{
+	private byte fillRed = byte.MaxValue;
+
+	private byte fillGreen = byte.MaxValue;
+
+	private byte fillBlue = byte.MaxValue;
+
+	private byte fillGray = byte.MaxValue;
+
+	private Rectangle region;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Color FillColorRGB
+	{
+		get
+		{
+			return Color.FromArgb(fillRed, fillGreen, fillBlue);
+		}
+		set
+		{
+			fillRed = value.R;
+			fillGreen = value.G;
+			fillBlue = value.B;
+		}
+	}
+
+	public byte FillColorGray
+	{
+		get
+		{
+			return fillGray;
+		}
+		set
+		{
+			fillGray = value;
+		}
+	}
+
+	public Rectangle Region
+	{
+		get
+		{
+			return region;
+		}
+		set
+		{
+			region = value;
+		}
+	}
+
+	private CanvasFill()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+	}
+
+	public CanvasFill(Rectangle region)
+		: this()
+	{
+		this.region = region;
+	}
+
+	public CanvasFill(Rectangle region, Color fillColorRGB)
+		: this()
+	{
+		this.region = region;
+		fillRed = fillColorRGB.R;
+		fillGreen = fillColorRGB.G;
+		fillBlue = fillColorRGB.B;
+	}
+
+	public CanvasFill(Rectangle region, byte fillColorGray)
+		: this()
+	{
+		this.region = region;
+		fillGray = fillColorGray;
+	}
+
+	public CanvasFill(Rectangle region, Color fillColorRGB, byte fillColorGray)
+		: this()
+	{
+		this.region = region;
+		fillRed = fillColorRGB.R;
+		fillGreen = fillColorRGB.G;
+		fillBlue = fillColorRGB.B;
+		fillGray = fillColorGray;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a3: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ad: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int width = image.Width;
+		int height = image.Height;
+		int num2 = System.Math.Max(0, region.X);
+		int num3 = System.Math.Max(0, region.Y);
+		if (num2 >= width || num3 >= height)
+		{
+			return;
+		}
+		int num4 = System.Math.Min(width, region.Right);
+		int num5 = System.Math.Min(height, region.Bottom);
+		if (num4 <= num2 || num5 <= num3)
+		{
+			return;
+		}
+		int stride = image.Stride;
+		byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)num3 * (nint)stride + (nint)num2 * (nint)num;
+		if ((int)image.PixelFormat == 198659)
+		{
+			int count = num4 - num2;
+			for (int i = num3; i < num5; i++)
+			{
+				SystemTools.SetUnmanagedMemory(ptr, fillGray, count);
+				ptr += stride;
+			}
+			return;
+		}
+		int num6 = stride - (num4 - num2) * num;
+		for (int j = num3; j < num5; j++)
+		{
+			int num7 = num2;
+			while (num7 < num4)
+			{
+				ptr[2] = fillRed;
+				ptr[1] = fillGreen;
+				*ptr = fillBlue;
+				num7++;
+				ptr += num;
+			}
+			ptr += num6;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/CanvasMove.cs

@@ -0,0 +1,297 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class CanvasMove : BaseInPlaceFilter
+{
+	private byte fillRed = byte.MaxValue;
+
+	private byte fillGreen = byte.MaxValue;
+
+	private byte fillBlue = byte.MaxValue;
+
+	private byte fillAlpha = byte.MaxValue;
+
+	private byte fillGray = byte.MaxValue;
+
+	private IntPoint movePoint;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Color FillColorRGB
+	{
+		get
+		{
+			return Color.FromArgb(fillAlpha, fillRed, fillGreen, fillBlue);
+		}
+		set
+		{
+			fillRed = value.R;
+			fillGreen = value.G;
+			fillBlue = value.B;
+			fillAlpha = value.A;
+		}
+	}
+
+	public byte FillColorGray
+	{
+		get
+		{
+			return fillGray;
+		}
+		set
+		{
+			fillGray = value;
+		}
+	}
+
+	public IntPoint MovePoint
+	{
+		get
+		{
+			return movePoint;
+		}
+		set
+		{
+			movePoint = value;
+		}
+	}
+
+	private CanvasMove()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)3424269;
+	}
+
+	public CanvasMove(IntPoint movePoint)
+		: this()
+	{
+		this.movePoint = movePoint;
+	}
+
+	public CanvasMove(IntPoint movePoint, Color fillColorRGB)
+		: this()
+	{
+		this.movePoint = movePoint;
+		fillRed = fillColorRGB.R;
+		fillGreen = fillColorRGB.G;
+		fillBlue = fillColorRGB.B;
+		fillAlpha = fillColorRGB.A;
+	}
+
+	public CanvasMove(IntPoint movePoint, byte fillColorGray)
+		: this()
+	{
+		this.movePoint = movePoint;
+		fillGray = fillColorGray;
+	}
+
+	public CanvasMove(IntPoint movePoint, Color fillColorRGB, byte fillColorGray)
+		: this()
+	{
+		this.movePoint = movePoint;
+		fillRed = fillColorRGB.R;
+		fillGreen = fillColorRGB.G;
+		fillBlue = fillColorRGB.B;
+		fillAlpha = fillColorRGB.A;
+		fillGray = fillColorGray;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage image)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		switch (Image.GetPixelFormatSize(image.PixelFormat) / 8)
+		{
+		case 1:
+		case 3:
+		case 4:
+			ProcessFilter8bpc(image);
+			break;
+		case 2:
+		case 6:
+		case 8:
+			ProcessFilter16bpc(image);
+			break;
+		case 5:
+		case 7:
+			break;
+		}
+	}
+
+	private unsafe void ProcessFilter8bpc(UnmanagedImage image)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a2: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ac: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		bool flag = num == 4;
+		int width = image.Width;
+		int height = image.Height;
+		int stride = image.Stride;
+		int x = movePoint.X;
+		int y = movePoint.Y;
+		Rectangle rectangle = Rectangle.Intersect(new Rectangle(0, 0, width, height), new Rectangle(x, y, width, height));
+		int num2 = 0;
+		int num3 = height;
+		int num4 = 1;
+		int num5 = 0;
+		int num6 = width;
+		int num7 = 1;
+		if (y > 0)
+		{
+			num2 = height - 1;
+			num3 = -1;
+			num4 = -1;
+		}
+		if (x > 0)
+		{
+			num5 = width - 1;
+			num6 = -1;
+			num7 = -1;
+		}
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		if ((int)image.PixelFormat == 198659)
+		{
+			for (int i = num2; i != num3; i += num4)
+			{
+				for (int j = num5; j != num6; j += num7)
+				{
+					byte* ptr2 = ptr + (nint)i * (nint)stride + j;
+					if (rectangle.Contains(j, i))
+					{
+						byte* ptr3 = ptr + (nint)(i - y) * (nint)stride + (j - x);
+						*ptr2 = *ptr3;
+					}
+					else
+					{
+						*ptr2 = fillGray;
+					}
+				}
+			}
+			return;
+		}
+		for (int k = num2; k != num3; k += num4)
+		{
+			for (int l = num5; l != num6; l += num7)
+			{
+				byte* ptr2 = ptr + (nint)k * (nint)stride + (nint)l * (nint)num;
+				if (rectangle.Contains(l, k))
+				{
+					byte* ptr3 = ptr + (nint)(k - y) * (nint)stride + (nint)(l - x) * (nint)num;
+					ptr2[2] = ptr3[2];
+					ptr2[1] = ptr3[1];
+					*ptr2 = *ptr3;
+					if (flag)
+					{
+						ptr2[3] = ptr3[3];
+					}
+				}
+				else
+				{
+					ptr2[2] = fillRed;
+					ptr2[1] = fillGreen;
+					*ptr2 = fillBlue;
+					if (flag)
+					{
+						ptr2[3] = fillAlpha;
+					}
+				}
+			}
+		}
+	}
+
+	private unsafe void ProcessFilter16bpc(UnmanagedImage image)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00d6: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00e0: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		bool flag = num == 8;
+		ushort num2 = (ushort)(fillRed << 8);
+		ushort num3 = (ushort)(fillGreen << 8);
+		ushort num4 = (ushort)(fillBlue << 8);
+		ushort num5 = (ushort)(fillAlpha << 8);
+		int width = image.Width;
+		int height = image.Height;
+		int stride = image.Stride;
+		int x = movePoint.X;
+		int y = movePoint.Y;
+		Rectangle rectangle = Rectangle.Intersect(new Rectangle(0, 0, width, height), new Rectangle(x, y, width, height));
+		int num6 = 0;
+		int num7 = height;
+		int num8 = 1;
+		int num9 = 0;
+		int num10 = width;
+		int num11 = 1;
+		if (y > 0)
+		{
+			num6 = height - 1;
+			num7 = -1;
+			num8 = -1;
+		}
+		if (x > 0)
+		{
+			num9 = width - 1;
+			num10 = -1;
+			num11 = -1;
+		}
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		if ((int)image.PixelFormat == 1052676)
+		{
+			for (int i = num6; i != num7; i += num8)
+			{
+				for (int j = num9; j != num10; j += num11)
+				{
+					ushort* ptr2 = (ushort*)(ptr + (nint)i * (nint)stride) + j;
+					if (rectangle.Contains(j, i))
+					{
+						ushort* ptr3 = (ushort*)(ptr + (nint)(i - y) * (nint)stride) + (j - x);
+						*ptr2 = *ptr3;
+					}
+					else
+					{
+						*ptr2 = fillGray;
+					}
+				}
+			}
+			return;
+		}
+		for (int k = num6; k != num7; k += num8)
+		{
+			for (int l = num9; l != num10; l += num11)
+			{
+				ushort* ptr2 = (ushort*)(ptr + (nint)k * (nint)stride + (nint)l * (nint)num);
+				if (rectangle.Contains(l, k))
+				{
+					ushort* ptr3 = (ushort*)(ptr + (nint)(k - y) * (nint)stride + (nint)(l - x) * (nint)num);
+					ptr2[2] = ptr3[2];
+					ptr2[1] = ptr3[1];
+					*ptr2 = *ptr3;
+					if (flag)
+					{
+						ptr2[3] = ptr3[3];
+					}
+				}
+				else
+				{
+					ptr2[2] = num2;
+					ptr2[1] = num3;
+					*ptr2 = num4;
+					if (flag)
+					{
+						ptr2[3] = num5;
+					}
+				}
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ChannelFiltering.cs

@@ -0,0 +1,210 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ChannelFiltering : BaseInPlacePartialFilter
+{
+	private IntRange red = new IntRange(0, 255);
+
+	private IntRange green = new IntRange(0, 255);
+
+	private IntRange blue = new IntRange(0, 255);
+
+	private byte fillR;
+
+	private byte fillG;
+
+	private byte fillB;
+
+	private bool redFillOutsideRange = true;
+
+	private bool greenFillOutsideRange = true;
+
+	private bool blueFillOutsideRange = true;
+
+	private byte[] mapRed = new byte[256];
+
+	private byte[] mapGreen = new byte[256];
+
+	private byte[] mapBlue = new byte[256];
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public IntRange Red
+	{
+		get
+		{
+			return red;
+		}
+		set
+		{
+			red = value;
+			CalculateMap(red, fillR, redFillOutsideRange, mapRed);
+		}
+	}
+
+	public byte FillRed
+	{
+		get
+		{
+			return fillR;
+		}
+		set
+		{
+			fillR = value;
+			CalculateMap(red, fillR, redFillOutsideRange, mapRed);
+		}
+	}
+
+	public IntRange Green
+	{
+		get
+		{
+			return green;
+		}
+		set
+		{
+			green = value;
+			CalculateMap(green, fillG, greenFillOutsideRange, mapGreen);
+		}
+	}
+
+	public byte FillGreen
+	{
+		get
+		{
+			return fillG;
+		}
+		set
+		{
+			fillG = value;
+			CalculateMap(green, fillG, greenFillOutsideRange, mapGreen);
+		}
+	}
+
+	public IntRange Blue
+	{
+		get
+		{
+			return blue;
+		}
+		set
+		{
+			blue = value;
+			CalculateMap(blue, fillB, blueFillOutsideRange, mapBlue);
+		}
+	}
+
+	public byte FillBlue
+	{
+		get
+		{
+			return fillB;
+		}
+		set
+		{
+			fillB = value;
+			CalculateMap(blue, fillB, blueFillOutsideRange, mapBlue);
+		}
+	}
+
+	public bool RedFillOutsideRange
+	{
+		get
+		{
+			return redFillOutsideRange;
+		}
+		set
+		{
+			redFillOutsideRange = value;
+			CalculateMap(red, fillR, redFillOutsideRange, mapRed);
+		}
+	}
+
+	public bool GreenFillOutsideRange
+	{
+		get
+		{
+			return greenFillOutsideRange;
+		}
+		set
+		{
+			greenFillOutsideRange = value;
+			CalculateMap(green, fillG, greenFillOutsideRange, mapGreen);
+		}
+	}
+
+	public bool BlueFillOutsideRange
+	{
+		get
+		{
+			return blueFillOutsideRange;
+		}
+		set
+		{
+			blueFillOutsideRange = value;
+			CalculateMap(blue, fillB, blueFillOutsideRange, mapBlue);
+		}
+	}
+
+	public ChannelFiltering()
+		: this(new IntRange(0, 255), new IntRange(0, 255), new IntRange(0, 255))
+	{
+	}
+
+	public ChannelFiltering(IntRange red, IntRange green, IntRange blue)
+	{
+		Red = red;
+		Green = green;
+		Blue = blue;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		int num = (((int)image.PixelFormat == 137224) ? 3 : 4);
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int num4 = image.Stride - rect.Width * num;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + left * num;
+		for (int i = top; i < num3; i++)
+		{
+			int num5 = left;
+			while (num5 < num2)
+			{
+				ptr[2] = mapRed[ptr[2]];
+				ptr[1] = mapGreen[ptr[1]];
+				*ptr = mapBlue[*ptr];
+				num5++;
+				ptr += num;
+			}
+			ptr += num4;
+		}
+	}
+
+	private void CalculateMap(IntRange range, byte fill, bool fillOutsideRange, byte[] map)
+	{
+		for (int i = 0; i < 256; i++)
+		{
+			if (i >= range.Min && i <= range.Max)
+			{
+				map[i] = (fillOutsideRange ? ((byte)i) : fill);
+			}
+			else
+			{
+				map[i] = (fillOutsideRange ? fill : ((byte)i));
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Closing.cs

@@ -0,0 +1,89 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Closing : IFilter, IInPlaceFilter, IInPlacePartialFilter, IFilterInformation
+{
+	private Erosion errosion = new Erosion();
+
+	private Dilatation dilatation = new Dilatation();
+
+	public Dictionary<PixelFormat, PixelFormat> FormatTranslations => errosion.FormatTranslations;
+
+	public Closing()
+	{
+	}
+
+	public Closing(short[,] se)
+	{
+		errosion = new Erosion(se);
+		dilatation = new Dilatation(se);
+	}
+
+	public Bitmap Apply(Bitmap image)
+	{
+		Bitmap val = dilatation.Apply(image);
+		Bitmap result = errosion.Apply(val);
+		((Image)val).Dispose();
+		return result;
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		Bitmap val = dilatation.Apply(imageData);
+		Bitmap result = errosion.Apply(val);
+		((Image)val).Dispose();
+		return result;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		UnmanagedImage unmanagedImage = dilatation.Apply(image);
+		errosion.ApplyInPlace(unmanagedImage);
+		return unmanagedImage;
+	}
+
+	public void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		dilatation.Apply(sourceImage, destinationImage);
+		errosion.ApplyInPlace(destinationImage);
+	}
+
+	public void ApplyInPlace(Bitmap image)
+	{
+		dilatation.ApplyInPlace(image);
+		errosion.ApplyInPlace(image);
+	}
+
+	public void ApplyInPlace(BitmapData imageData)
+	{
+		dilatation.ApplyInPlace(imageData);
+		errosion.ApplyInPlace(imageData);
+	}
+
+	public void ApplyInPlace(UnmanagedImage image)
+	{
+		dilatation.ApplyInPlace(image);
+		errosion.ApplyInPlace(image);
+	}
+
+	public void ApplyInPlace(Bitmap image, Rectangle rect)
+	{
+		dilatation.ApplyInPlace(image, rect);
+		errosion.ApplyInPlace(image, rect);
+	}
+
+	public void ApplyInPlace(BitmapData imageData, Rectangle rect)
+	{
+		dilatation.ApplyInPlace(imageData, rect);
+		errosion.ApplyInPlace(imageData, rect);
+	}
+
+	public void ApplyInPlace(UnmanagedImage image, Rectangle rect)
+	{
+		dilatation.ApplyInPlace(image, rect);
+		errosion.ApplyInPlace(image, rect);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ColorFiltering.cs

@@ -0,0 +1,145 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ColorFiltering : BaseInPlacePartialFilter
+{
+	private IntRange red = new IntRange(0, 255);
+
+	private IntRange green = new IntRange(0, 255);
+
+	private IntRange blue = new IntRange(0, 255);
+
+	private byte fillR;
+
+	private byte fillG;
+
+	private byte fillB;
+
+	private bool fillOutsideRange = true;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public IntRange Red
+	{
+		get
+		{
+			return red;
+		}
+		set
+		{
+			red = value;
+		}
+	}
+
+	public IntRange Green
+	{
+		get
+		{
+			return green;
+		}
+		set
+		{
+			green = value;
+		}
+	}
+
+	public IntRange Blue
+	{
+		get
+		{
+			return blue;
+		}
+		set
+		{
+			blue = value;
+		}
+	}
+
+	public RGB FillColor
+	{
+		get
+		{
+			return new RGB(fillR, fillG, fillB);
+		}
+		set
+		{
+			fillR = value.Red;
+			fillG = value.Green;
+			fillB = value.Blue;
+		}
+	}
+
+	public bool FillOutsideRange
+	{
+		get
+		{
+			return fillOutsideRange;
+		}
+		set
+		{
+			fillOutsideRange = value;
+		}
+	}
+
+	public ColorFiltering()
+	{
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	public ColorFiltering(IntRange red, IntRange green, IntRange blue)
+		: this()
+	{
+		this.red = red;
+		this.green = green;
+		this.blue = blue;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		int num = (((int)image.PixelFormat == 137224) ? 3 : 4);
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int num4 = image.Stride - rect.Width * num;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + left * num;
+		for (int i = top; i < num3; i++)
+		{
+			int num5 = left;
+			while (num5 < num2)
+			{
+				byte b = ptr[2];
+				byte b2 = ptr[1];
+				byte b3 = *ptr;
+				if (b >= red.Min && b <= red.Max && b2 >= green.Min && b2 <= green.Max && b3 >= blue.Min && b3 <= blue.Max)
+				{
+					if (!fillOutsideRange)
+					{
+						ptr[2] = fillR;
+						ptr[1] = fillG;
+						*ptr = fillB;
+					}
+				}
+				else if (fillOutsideRange)
+				{
+					ptr[2] = fillR;
+					ptr[1] = fillG;
+					*ptr = fillB;
+				}
+				num5++;
+				ptr += num;
+			}
+			ptr += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ColorRemapping.cs

@@ -0,0 +1,158 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ColorRemapping : BaseInPlacePartialFilter
+{
+	private byte[] redMap;
+
+	private byte[] greenMap;
+
+	private byte[] blueMap;
+
+	private byte[] grayMap;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public byte[] RedMap
+	{
+		get
+		{
+			return redMap;
+		}
+		set
+		{
+			if (value == null || value.Length != 256)
+			{
+				throw new ArgumentException("A map should be array with 256 value.");
+			}
+			redMap = value;
+		}
+	}
+
+	public byte[] GreenMap
+	{
+		get
+		{
+			return greenMap;
+		}
+		set
+		{
+			if (value == null || value.Length != 256)
+			{
+				throw new ArgumentException("A map should be array with 256 value.");
+			}
+			greenMap = value;
+		}
+	}
+
+	public byte[] BlueMap
+	{
+		get
+		{
+			return blueMap;
+		}
+		set
+		{
+			if (value == null || value.Length != 256)
+			{
+				throw new ArgumentException("A map should be array with 256 value.");
+			}
+			blueMap = value;
+		}
+	}
+
+	public byte[] GrayMap
+	{
+		get
+		{
+			return grayMap;
+		}
+		set
+		{
+			if (value == null || value.Length != 256)
+			{
+				throw new ArgumentException("A map should be array with 256 value.");
+			}
+			grayMap = value;
+		}
+	}
+
+	public ColorRemapping()
+	{
+		redMap = new byte[256];
+		greenMap = new byte[256];
+		blueMap = new byte[256];
+		grayMap = new byte[256];
+		for (int i = 0; i < 256; i++)
+		{
+			redMap[i] = (greenMap[i] = (blueMap[i] = (grayMap[i] = (byte)i)));
+		}
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	public ColorRemapping(byte[] redMap, byte[] greenMap, byte[] blueMap)
+		: this()
+	{
+		RedMap = redMap;
+		GreenMap = greenMap;
+		BlueMap = blueMap;
+	}
+
+	public ColorRemapping(byte[] grayMap)
+		: this()
+	{
+		GrayMap = grayMap;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0068: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0072: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int num4 = image.Stride - rect.Width * num;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + left * num;
+		if ((int)image.PixelFormat == 198659)
+		{
+			for (int i = top; i < num3; i++)
+			{
+				int num5 = left;
+				while (num5 < num2)
+				{
+					*ptr = grayMap[*ptr];
+					num5++;
+					ptr++;
+				}
+				ptr += num4;
+			}
+			return;
+		}
+		for (int j = top; j < num3; j++)
+		{
+			int num6 = left;
+			while (num6 < num2)
+			{
+				ptr[2] = redMap[ptr[2]];
+				ptr[1] = greenMap[ptr[1]];
+				*ptr = blueMap[*ptr];
+				num6++;
+				ptr += num;
+			}
+			ptr += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ConnectedComponentsLabeling.cs

@@ -0,0 +1,185 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ConnectedComponentsLabeling : BaseFilter
+{
+	private static Color[] colorTable = new Color[32]
+	{
+		Color.Red,
+		Color.Green,
+		Color.Blue,
+		Color.Yellow,
+		Color.Violet,
+		Color.Brown,
+		Color.Olive,
+		Color.Cyan,
+		Color.Magenta,
+		Color.Gold,
+		Color.Indigo,
+		Color.Ivory,
+		Color.HotPink,
+		Color.DarkRed,
+		Color.DarkGreen,
+		Color.DarkBlue,
+		Color.DarkSeaGreen,
+		Color.Gray,
+		Color.DarkKhaki,
+		Color.DarkGray,
+		Color.LimeGreen,
+		Color.Tomato,
+		Color.SteelBlue,
+		Color.SkyBlue,
+		Color.Silver,
+		Color.Salmon,
+		Color.SaddleBrown,
+		Color.RosyBrown,
+		Color.PowderBlue,
+		Color.Plum,
+		Color.PapayaWhip,
+		Color.Orange
+	};
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	private BlobCounterBase blobCounter = new BlobCounter();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public BlobCounterBase BlobCounter
+	{
+		get
+		{
+			return blobCounter;
+		}
+		set
+		{
+			blobCounter = value;
+		}
+	}
+
+	public static Color[] ColorTable
+	{
+		get
+		{
+			return colorTable;
+		}
+		set
+		{
+			colorTable = value;
+		}
+	}
+
+	public bool FilterBlobs
+	{
+		get
+		{
+			return blobCounter.FilterBlobs;
+		}
+		set
+		{
+			blobCounter.FilterBlobs = value;
+		}
+	}
+
+	public bool CoupledSizeFiltering
+	{
+		get
+		{
+			return blobCounter.CoupledSizeFiltering;
+		}
+		set
+		{
+			blobCounter.CoupledSizeFiltering = value;
+		}
+	}
+
+	public int MinWidth
+	{
+		get
+		{
+			return blobCounter.MinWidth;
+		}
+		set
+		{
+			blobCounter.MinWidth = value;
+		}
+	}
+
+	public int MinHeight
+	{
+		get
+		{
+			return blobCounter.MinHeight;
+		}
+		set
+		{
+			blobCounter.MinHeight = value;
+		}
+	}
+
+	public int MaxWidth
+	{
+		get
+		{
+			return blobCounter.MaxWidth;
+		}
+		set
+		{
+			blobCounter.MaxWidth = value;
+		}
+	}
+
+	public int MaxHeight
+	{
+		get
+		{
+			return blobCounter.MaxHeight;
+		}
+		set
+		{
+			blobCounter.MaxHeight = value;
+		}
+	}
+
+	public int ObjectCount => blobCounter.ObjectsCount;
+
+	public ConnectedComponentsLabeling()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)925707] = (PixelFormat)137224;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		blobCounter.ProcessImage(sourceData);
+		int[] objectLabels = blobCounter.ObjectLabels;
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		int num = destinationData.Stride - width * 3;
+		byte* ptr = (byte*)destinationData.ImageData.ToPointer();
+		int num2 = 0;
+		for (int i = 0; i < height; i++)
+		{
+			int num3 = 0;
+			while (num3 < width)
+			{
+				if (objectLabels[num2] != 0)
+				{
+					Color color = colorTable[(objectLabels[num2] - 1) % colorTable.Length];
+					ptr[2] = color.R;
+					ptr[1] = color.G;
+					*ptr = color.B;
+				}
+				num3++;
+				ptr += 3;
+				num2++;
+			}
+			ptr += num;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ConservativeSmoothing.cs

@@ -0,0 +1,183 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ConservativeSmoothing : BaseUsingCopyPartialFilter
+{
+	private int size = 3;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public int KernelSize
+	{
+		get
+		{
+			return size;
+		}
+		set
+		{
+			size = System.Math.Max(3, System.Math.Min(25, value | 1));
+		}
+	}
+
+	public ConservativeSmoothing()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	public ConservativeSmoothing(int size)
+		: this()
+	{
+		KernelSize = size;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a6: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00b0: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(source.PixelFormat) / 8;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int stride = source.Stride;
+		int stride2 = destination.Stride;
+		int num4 = stride - rect.Width * num;
+		int num5 = stride2 - rect.Width * num;
+		int num6 = size >> 1;
+		byte* ptr = (byte*)source.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destination.ImageData.ToPointer();
+		ptr += top * stride + left * num;
+		ptr2 += top * stride2 + left * num;
+		if ((int)destination.PixelFormat == 198659)
+		{
+			for (int i = top; i < num3; i++)
+			{
+				int num7 = left;
+				while (num7 < num2)
+				{
+					byte b = byte.MaxValue;
+					byte b2 = 0;
+					byte b3;
+					for (int j = -num6; j <= num6; j++)
+					{
+						int num8 = i + j;
+						if (num8 < top)
+						{
+							continue;
+						}
+						if (num8 >= num3)
+						{
+							break;
+						}
+						for (int k = -num6; k <= num6; k++)
+						{
+							num8 = num7 + k;
+							if (num8 >= left && j != k && num8 < num2)
+							{
+								b3 = ptr[j * stride + k];
+								if (b3 < b)
+								{
+									b = b3;
+								}
+								if (b3 > b2)
+								{
+									b2 = b3;
+								}
+							}
+						}
+					}
+					b3 = *ptr;
+					*ptr2 = ((b3 > b2) ? b2 : ((b3 < b) ? b : b3));
+					num7++;
+					ptr++;
+					ptr2++;
+				}
+				ptr += num4;
+				ptr2 += num5;
+			}
+			return;
+		}
+		for (int l = top; l < num3; l++)
+		{
+			int num9 = left;
+			while (num9 < num2)
+			{
+				byte b;
+				byte b5;
+				byte b4 = (b = (b5 = byte.MaxValue));
+				byte b2;
+				byte b7;
+				byte b6 = (b2 = (b7 = 0));
+				byte b3;
+				for (int j = -num6; j <= num6; j++)
+				{
+					int num8 = l + j;
+					if (num8 < top)
+					{
+						continue;
+					}
+					if (num8 >= num3)
+					{
+						break;
+					}
+					for (int k = -num6; k <= num6; k++)
+					{
+						num8 = num9 + k;
+						if (num8 >= left && j != k && num8 < num2)
+						{
+							byte* ptr3 = ptr + (j * stride + k * num);
+							b3 = ptr3[2];
+							if (b3 < b4)
+							{
+								b4 = b3;
+							}
+							if (b3 > b6)
+							{
+								b6 = b3;
+							}
+							b3 = ptr3[1];
+							if (b3 < b)
+							{
+								b = b3;
+							}
+							if (b3 > b2)
+							{
+								b2 = b3;
+							}
+							b3 = *ptr3;
+							if (b3 < b5)
+							{
+								b5 = b3;
+							}
+							if (b3 > b7)
+							{
+								b7 = b3;
+							}
+						}
+					}
+				}
+				b3 = ptr[2];
+				ptr2[2] = ((b3 > b6) ? b6 : ((b3 < b4) ? b4 : b3));
+				b3 = ptr[1];
+				ptr2[1] = ((b3 > b2) ? b2 : ((b3 < b) ? b : b3));
+				b3 = *ptr;
+				*ptr2 = ((b3 > b7) ? b7 : ((b3 < b5) ? b5 : b3));
+				num9++;
+				ptr += num;
+				ptr2 += num;
+			}
+			ptr += num4;
+			ptr2 += num5;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ContrastCorrection.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ContrastCorrection : BaseInPlacePartialFilter
+{
+	private LevelsLinear baseFilter = new LevelsLinear();
+
+	private int factor;
+
+	public int Factor
+	{
+		get
+		{
+			return factor;
+		}
+		set
+		{
+			factor = System.Math.Max(-127, System.Math.Min(127, value));
+			if (factor > 0)
+			{
+				LevelsLinear levelsLinear = baseFilter;
+				LevelsLinear levelsLinear2 = baseFilter;
+				LevelsLinear levelsLinear3 = baseFilter;
+				IntRange intRange = (baseFilter.InGray = new IntRange(factor, 255 - factor));
+				IntRange intRange3 = (levelsLinear3.InBlue = intRange);
+				IntRange inRed = (levelsLinear2.InGreen = intRange3);
+				levelsLinear.InRed = inRed;
+				LevelsLinear levelsLinear4 = baseFilter;
+				LevelsLinear levelsLinear5 = baseFilter;
+				LevelsLinear levelsLinear6 = baseFilter;
+				IntRange intRange6 = (baseFilter.OutGray = new IntRange(0, 255));
+				IntRange intRange8 = (levelsLinear6.OutBlue = intRange6);
+				IntRange outRed = (levelsLinear5.OutGreen = intRange8);
+				levelsLinear4.OutRed = outRed;
+			}
+			else
+			{
+				LevelsLinear levelsLinear7 = baseFilter;
+				LevelsLinear levelsLinear8 = baseFilter;
+				LevelsLinear levelsLinear9 = baseFilter;
+				IntRange intRange11 = (baseFilter.OutGray = new IntRange(-factor, 255 + factor));
+				IntRange intRange13 = (levelsLinear9.OutBlue = intRange11);
+				IntRange outRed2 = (levelsLinear8.OutGreen = intRange13);
+				levelsLinear7.OutRed = outRed2;
+				LevelsLinear levelsLinear10 = baseFilter;
+				LevelsLinear levelsLinear11 = baseFilter;
+				LevelsLinear levelsLinear12 = baseFilter;
+				IntRange intRange16 = (baseFilter.InGray = new IntRange(0, 255));
+				IntRange intRange18 = (levelsLinear12.InBlue = intRange16);
+				IntRange inRed2 = (levelsLinear11.InGreen = intRange18);
+				levelsLinear10.InRed = inRed2;
+			}
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => baseFilter.FormatTranslations;
+
+	public ContrastCorrection()
+	{
+		Factor = 10;
+	}
+
+	public ContrastCorrection(int factor)
+	{
+		Factor = factor;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		baseFilter.ApplyInPlace(image, rect);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ContrastStretch.cs

@@ -0,0 +1,113 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ContrastStretch : BaseInPlacePartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public ContrastStretch()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0062: Unknown result type (might be due to invalid IL or missing references)
+		//IL_006c: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int stride = image.Stride;
+		int num4 = stride - rect.Width * num;
+		LevelsLinear levelsLinear = new LevelsLinear();
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		if ((int)image.PixelFormat == 198659)
+		{
+			ptr += top * stride + left;
+			byte b = byte.MaxValue;
+			byte b2 = 0;
+			for (int i = top; i < num3; i++)
+			{
+				int num5 = left;
+				while (num5 < num2)
+				{
+					byte b3 = *ptr;
+					if (b3 < b)
+					{
+						b = b3;
+					}
+					if (b3 > b2)
+					{
+						b2 = b3;
+					}
+					num5++;
+					ptr++;
+				}
+				ptr += num4;
+			}
+			levelsLinear.InGray = new IntRange(b, b2);
+		}
+		else
+		{
+			ptr += top * stride + left * num;
+			byte b4 = byte.MaxValue;
+			byte b5 = byte.MaxValue;
+			byte b6 = byte.MaxValue;
+			byte b7 = 0;
+			byte b8 = 0;
+			byte b9 = 0;
+			for (int j = top; j < num3; j++)
+			{
+				int num6 = left;
+				while (num6 < num2)
+				{
+					byte b10 = ptr[2];
+					if (b10 < b4)
+					{
+						b4 = b10;
+					}
+					if (b10 > b7)
+					{
+						b7 = b10;
+					}
+					b10 = ptr[1];
+					if (b10 < b5)
+					{
+						b5 = b10;
+					}
+					if (b10 > b8)
+					{
+						b8 = b10;
+					}
+					b10 = *ptr;
+					if (b10 < b6)
+					{
+						b6 = b10;
+					}
+					if (b10 > b9)
+					{
+						b9 = b10;
+					}
+					num6++;
+					ptr += num;
+				}
+				ptr += num4;
+			}
+			levelsLinear.InRed = new IntRange(b4, b7);
+			levelsLinear.InGreen = new IntRange(b5, b8);
+			levelsLinear.InBlue = new IntRange(b6, b9);
+		}
+		levelsLinear.ApplyInPlace(image, rect);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Convolution.cs

@@ -0,0 +1,614 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Convolution : BaseUsingCopyPartialFilter
+{
+	private int[,] kernel;
+
+	private int divisor = 1;
+
+	private int threshold;
+
+	private int size;
+
+	private bool dynamicDivisorForEdges = true;
+
+	private bool processAlpha;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public int[,] Kernel
+	{
+		get
+		{
+			return kernel;
+		}
+		set
+		{
+			int length = value.GetLength(0);
+			if (length != value.GetLength(1) || length < 3 || length > 99 || length % 2 == 0)
+			{
+				throw new ArgumentException("Invalid kernel size.");
+			}
+			kernel = value;
+			size = length;
+		}
+	}
+
+	public int Divisor
+	{
+		get
+		{
+			return divisor;
+		}
+		set
+		{
+			if (value == 0)
+			{
+				throw new ArgumentException("Divisor can not be equal to zero.");
+			}
+			divisor = value;
+		}
+	}
+
+	public int Threshold
+	{
+		get
+		{
+			return threshold;
+		}
+		set
+		{
+			threshold = value;
+		}
+	}
+
+	public bool DynamicDivisorForEdges
+	{
+		get
+		{
+			return dynamicDivisorForEdges;
+		}
+		set
+		{
+			dynamicDivisorForEdges = value;
+		}
+	}
+
+	public bool ProcessAlpha
+	{
+		get
+		{
+			return processAlpha;
+		}
+		set
+		{
+			processAlpha = value;
+		}
+	}
+
+	protected Convolution()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)3424269;
+	}
+
+	public Convolution(int[,] kernel)
+		: this()
+	{
+		Kernel = kernel;
+		divisor = 0;
+		int i = 0;
+		for (int length = kernel.GetLength(0); i < length; i++)
+		{
+			int j = 0;
+			for (int length2 = kernel.GetLength(1); j < length2; j++)
+			{
+				divisor += kernel[i, j];
+			}
+		}
+		if (divisor == 0)
+		{
+			divisor = 1;
+		}
+	}
+
+	public Convolution(int[,] kernel, int divisor)
+		: this()
+	{
+		Kernel = kernel;
+		Divisor = divisor;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_015c: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0166: Invalid comparison between Unknown and I4
+		//IL_00aa: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00b4: Invalid comparison between Unknown and I4
+		int num = Image.GetPixelFormatSize(source.PixelFormat) / 8;
+		int left = rect.Left;
+		int top = rect.Top;
+		int stopX = left + rect.Width;
+		int stopY = top + rect.Height;
+		if (num <= 4 && num != 2)
+		{
+			int stride = source.Stride;
+			int stride2 = destination.Stride;
+			int srcOffset = stride - rect.Width * num;
+			int dstOffset = stride2 - rect.Width * num;
+			byte* ptr = (byte*)source.ImageData.ToPointer();
+			byte* ptr2 = (byte*)destination.ImageData.ToPointer();
+			ptr += top * stride + left * num;
+			ptr2 += top * stride2 + left * num;
+			if ((int)destination.PixelFormat == 198659)
+			{
+				Process8bppImage(ptr, ptr2, stride, stride2, srcOffset, dstOffset, left, top, stopX, stopY);
+			}
+			else if (num == 3 || !processAlpha)
+			{
+				Process24bppImage(ptr, ptr2, stride, stride2, srcOffset, dstOffset, left, top, stopX, stopY, num);
+			}
+			else
+			{
+				Process32bppImage(ptr, ptr2, stride, stride2, srcOffset, dstOffset, left, top, stopX, stopY);
+			}
+		}
+		else
+		{
+			num /= 2;
+			int dstStride = destination.Stride / 2;
+			int srcStride = source.Stride / 2;
+			ushort* ptr3 = (ushort*)source.ImageData.ToPointer();
+			ushort* ptr4 = (ushort*)destination.ImageData.ToPointer();
+			ptr3 += left * num;
+			ptr4 += left * num;
+			if ((int)source.PixelFormat == 1052676)
+			{
+				Process16bppImage(ptr3, ptr4, srcStride, dstStride, left, top, stopX, stopY);
+			}
+			else if (num == 3 || !processAlpha)
+			{
+				Process48bppImage(ptr3, ptr4, srcStride, dstStride, left, top, stopX, stopY, num);
+			}
+			else
+			{
+				Process64bppImage(ptr3, ptr4, srcStride, dstStride, left, top, stopX, stopY);
+			}
+		}
+	}
+
+	private unsafe void Process8bppImage(byte* src, byte* dst, int srcStride, int dstStride, int srcOffset, int dstOffset, int startX, int startY, int stopX, int stopY)
+	{
+		int num = size >> 1;
+		int num2 = size * size;
+		for (int i = startY; i < stopY; i++)
+		{
+			int num3 = startX;
+			while (num3 < stopX)
+			{
+				long num5;
+				int num6;
+				long num4 = (num5 = (num6 = 0));
+				for (int j = 0; j < size; j++)
+				{
+					int num7 = j - num;
+					int num8 = i + num7;
+					if (num8 < startY)
+					{
+						continue;
+					}
+					if (num8 >= stopY)
+					{
+						break;
+					}
+					for (int k = 0; k < size; k++)
+					{
+						int num9 = k - num;
+						num8 = num3 + num9;
+						if (num8 >= startX && num8 < stopX)
+						{
+							int num10 = kernel[j, k];
+							num5 += num10;
+							num4 += num10 * src[num7 * srcStride + num9];
+							num6++;
+						}
+					}
+				}
+				if (num6 == num2)
+				{
+					num5 = divisor;
+				}
+				else if (!dynamicDivisorForEdges)
+				{
+					num5 = divisor;
+				}
+				if (num5 != 0)
+				{
+					num4 /= num5;
+				}
+				num4 += threshold;
+				*dst = (byte)((num4 > 255) ? 255 : ((num4 < 0) ? 0 : num4));
+				num3++;
+				src++;
+				dst++;
+			}
+			src += srcOffset;
+			dst += dstOffset;
+		}
+	}
+
+	private unsafe void Process24bppImage(byte* src, byte* dst, int srcStride, int dstStride, int srcOffset, int dstOffset, int startX, int startY, int stopX, int stopY, int pixelSize)
+	{
+		int num = size >> 1;
+		int num2 = size * size;
+		for (int i = startY; i < stopY; i++)
+		{
+			int num3 = startX;
+			while (num3 < stopX)
+			{
+				long num7;
+				int num8;
+				long num5;
+				long num6;
+				long num4 = (num5 = (num6 = (num7 = (num8 = 0))));
+				for (int j = 0; j < size; j++)
+				{
+					int num9 = j - num;
+					int num10 = i + num9;
+					if (num10 < startY)
+					{
+						continue;
+					}
+					if (num10 >= stopY)
+					{
+						break;
+					}
+					for (int k = 0; k < size; k++)
+					{
+						int num11 = k - num;
+						num10 = num3 + num11;
+						if (num10 >= startX && num10 < stopX)
+						{
+							int num12 = kernel[j, k];
+							byte* ptr = src + (num9 * srcStride + num11 * pixelSize);
+							num7 += num12;
+							num4 += num12 * ptr[2];
+							num5 += num12 * ptr[1];
+							num6 += num12 * *ptr;
+							num8++;
+						}
+					}
+				}
+				if (num8 == num2)
+				{
+					num7 = divisor;
+				}
+				else if (!dynamicDivisorForEdges)
+				{
+					num7 = divisor;
+				}
+				if (num7 != 0)
+				{
+					num4 /= num7;
+					num5 /= num7;
+					num6 /= num7;
+				}
+				num4 += threshold;
+				num5 += threshold;
+				num6 += threshold;
+				dst[2] = (byte)((num4 > 255) ? 255 : ((num4 < 0) ? 0 : num4));
+				dst[1] = (byte)((num5 > 255) ? 255 : ((num5 < 0) ? 0 : num5));
+				*dst = (byte)((num6 > 255) ? 255 : ((num6 < 0) ? 0 : num6));
+				if (pixelSize == 4)
+				{
+					dst[3] = src[3];
+				}
+				num3++;
+				src += pixelSize;
+				dst += pixelSize;
+			}
+			src += srcOffset;
+			dst += dstOffset;
+		}
+	}
+
+	private unsafe void Process32bppImage(byte* src, byte* dst, int srcStride, int dstStride, int srcOffset, int dstOffset, int startX, int startY, int stopX, int stopY)
+	{
+		int num = size >> 1;
+		int num2 = size * size;
+		for (int i = startY; i < stopY; i++)
+		{
+			int num3 = startX;
+			while (num3 < stopX)
+			{
+				long num8;
+				int num9;
+				long num5;
+				long num6;
+				long num7;
+				long num4 = (num5 = (num6 = (num7 = (num8 = (num9 = 0)))));
+				for (int j = 0; j < size; j++)
+				{
+					int num10 = j - num;
+					int num11 = i + num10;
+					if (num11 < startY)
+					{
+						continue;
+					}
+					if (num11 >= stopY)
+					{
+						break;
+					}
+					for (int k = 0; k < size; k++)
+					{
+						int num12 = k - num;
+						num11 = num3 + num12;
+						if (num11 >= startX && num11 < stopX)
+						{
+							int num13 = kernel[j, k];
+							byte* ptr = src + (num10 * srcStride + num12 * 4);
+							num8 += num13;
+							num4 += num13 * ptr[2];
+							num5 += num13 * ptr[1];
+							num6 += num13 * *ptr;
+							num7 += num13 * ptr[3];
+							num9++;
+						}
+					}
+				}
+				if (num9 == num2)
+				{
+					num8 = divisor;
+				}
+				else if (!dynamicDivisorForEdges)
+				{
+					num8 = divisor;
+				}
+				if (num8 != 0)
+				{
+					num4 /= num8;
+					num5 /= num8;
+					num6 /= num8;
+					num7 /= num8;
+				}
+				num4 += threshold;
+				num5 += threshold;
+				num6 += threshold;
+				num7 += threshold;
+				dst[2] = (byte)((num4 > 255) ? 255 : ((num4 < 0) ? 0 : num4));
+				dst[1] = (byte)((num5 > 255) ? 255 : ((num5 < 0) ? 0 : num5));
+				*dst = (byte)((num6 > 255) ? 255 : ((num6 < 0) ? 0 : num6));
+				dst[3] = (byte)((num7 > 255) ? 255 : ((num7 < 0) ? 0 : num7));
+				num3++;
+				src += 4;
+				dst += 4;
+			}
+			src += srcOffset;
+			dst += dstOffset;
+		}
+	}
+
+	private unsafe void Process16bppImage(ushort* baseSrc, ushort* baseDst, int srcStride, int dstStride, int startX, int startY, int stopX, int stopY)
+	{
+		int num = size >> 1;
+		int num2 = size * size;
+		for (int i = startY; i < stopY; i++)
+		{
+			ushort* ptr = baseSrc + i * srcStride;
+			ushort* ptr2 = baseDst + i * dstStride;
+			int num3 = startX;
+			while (num3 < stopX)
+			{
+				long num5;
+				int num6;
+				long num4 = (num5 = (num6 = 0));
+				for (int j = 0; j < size; j++)
+				{
+					int num7 = j - num;
+					int num8 = i + num7;
+					if (num8 < startY)
+					{
+						continue;
+					}
+					if (num8 >= stopY)
+					{
+						break;
+					}
+					for (int k = 0; k < size; k++)
+					{
+						int num9 = k - num;
+						num8 = num3 + num9;
+						if (num8 >= startX && num8 < stopX)
+						{
+							int num10 = kernel[j, k];
+							num5 += num10;
+							num4 += num10 * ptr[num7 * srcStride + num9];
+							num6++;
+						}
+					}
+				}
+				if (num6 == num2)
+				{
+					num5 = divisor;
+				}
+				else if (!dynamicDivisorForEdges)
+				{
+					num5 = divisor;
+				}
+				if (num5 != 0)
+				{
+					num4 /= num5;
+				}
+				num4 += threshold;
+				*ptr2 = (ushort)((num4 > 65535) ? 65535 : ((num4 < 0) ? 0 : num4));
+				num3++;
+				ptr++;
+				ptr2++;
+			}
+		}
+	}
+
+	private unsafe void Process48bppImage(ushort* baseSrc, ushort* baseDst, int srcStride, int dstStride, int startX, int startY, int stopX, int stopY, int pixelSize)
+	{
+		int num = size >> 1;
+		int num2 = size * size;
+		for (int i = startY; i < stopY; i++)
+		{
+			ushort* ptr = baseSrc + i * srcStride;
+			ushort* ptr2 = baseDst + i * dstStride;
+			int num3 = startX;
+			while (num3 < stopX)
+			{
+				long num7;
+				int num8;
+				long num5;
+				long num6;
+				long num4 = (num5 = (num6 = (num7 = (num8 = 0))));
+				for (int j = 0; j < size; j++)
+				{
+					int num9 = j - num;
+					int num10 = i + num9;
+					if (num10 < startY)
+					{
+						continue;
+					}
+					if (num10 >= stopY)
+					{
+						break;
+					}
+					for (int k = 0; k < size; k++)
+					{
+						int num11 = k - num;
+						num10 = num3 + num11;
+						if (num10 >= startX && num10 < stopX)
+						{
+							int num12 = kernel[j, k];
+							ushort* ptr3 = ptr + (num9 * srcStride + num11 * pixelSize);
+							num7 += num12;
+							num4 += num12 * ptr3[2];
+							num5 += num12 * ptr3[1];
+							num6 += num12 * *ptr3;
+							num8++;
+						}
+					}
+				}
+				if (num8 == num2)
+				{
+					num7 = divisor;
+				}
+				else if (!dynamicDivisorForEdges)
+				{
+					num7 = divisor;
+				}
+				if (num7 != 0)
+				{
+					num4 /= num7;
+					num5 /= num7;
+					num6 /= num7;
+				}
+				num4 += threshold;
+				num5 += threshold;
+				num6 += threshold;
+				ptr2[2] = (ushort)((num4 > 65535) ? 65535 : ((num4 < 0) ? 0 : num4));
+				ptr2[1] = (ushort)((num5 > 65535) ? 65535 : ((num5 < 0) ? 0 : num5));
+				*ptr2 = (ushort)((num6 > 65535) ? 65535 : ((num6 < 0) ? 0 : num6));
+				if (pixelSize == 4)
+				{
+					ptr2[3] = ptr[3];
+				}
+				num3++;
+				ptr += pixelSize;
+				ptr2 += pixelSize;
+			}
+		}
+	}
+
+	private unsafe void Process64bppImage(ushort* baseSrc, ushort* baseDst, int srcStride, int dstStride, int startX, int startY, int stopX, int stopY)
+	{
+		int num = size >> 1;
+		int num2 = size * size;
+		for (int i = startY; i < stopY; i++)
+		{
+			ushort* ptr = baseSrc + i * srcStride;
+			ushort* ptr2 = baseDst + i * dstStride;
+			int num3 = startX;
+			while (num3 < stopX)
+			{
+				long num8;
+				int num9;
+				long num5;
+				long num6;
+				long num7;
+				long num4 = (num5 = (num6 = (num7 = (num8 = (num9 = 0)))));
+				for (int j = 0; j < size; j++)
+				{
+					int num10 = j - num;
+					int num11 = i + num10;
+					if (num11 < startY)
+					{
+						continue;
+					}
+					if (num11 >= stopY)
+					{
+						break;
+					}
+					for (int k = 0; k < size; k++)
+					{
+						int num12 = k - num;
+						num11 = num3 + num12;
+						if (num11 >= startX && num11 < stopX)
+						{
+							int num13 = kernel[j, k];
+							ushort* ptr3 = ptr + (num10 * srcStride + num12 * 4);
+							num8 += num13;
+							num4 += num13 * ptr3[2];
+							num5 += num13 * ptr3[1];
+							num6 += num13 * *ptr3;
+							num7 += num13 * ptr3[3];
+							num9++;
+						}
+					}
+				}
+				if (num9 == num2)
+				{
+					num8 = divisor;
+				}
+				else if (!dynamicDivisorForEdges)
+				{
+					num8 = divisor;
+				}
+				if (num8 != 0)
+				{
+					num4 /= num8;
+					num5 /= num8;
+					num6 /= num8;
+					num7 /= num8;
+				}
+				num4 += threshold;
+				num5 += threshold;
+				num6 += threshold;
+				num7 += threshold;
+				ptr2[2] = (ushort)((num4 > 65535) ? 65535 : ((num4 < 0) ? 0 : num4));
+				ptr2[1] = (ushort)((num5 > 65535) ? 65535 : ((num5 < 0) ? 0 : num5));
+				*ptr2 = (ushort)((num6 > 65535) ? 65535 : ((num6 < 0) ? 0 : num6));
+				ptr2[3] = (ushort)((num7 > 65535) ? 65535 : ((num7 < 0) ? 0 : num7));
+				num3++;
+				ptr += 4;
+				ptr2 += 4;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/CornersMarker.cs

@@ -0,0 +1,64 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class CornersMarker : BaseInPlaceFilter
+{
+	private Color markerColor = Color.White;
+
+	private ICornersDetector detector;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Color MarkerColor
+	{
+		get
+		{
+			return markerColor;
+		}
+		set
+		{
+			markerColor = value;
+		}
+	}
+
+	public ICornersDetector Detector
+	{
+		get
+		{
+			return detector;
+		}
+		set
+		{
+			detector = value;
+		}
+	}
+
+	public CornersMarker(ICornersDetector detector)
+		: this(detector, Color.White)
+	{
+	}
+
+	public CornersMarker(ICornersDetector detector, Color markerColor)
+	{
+		this.detector = detector;
+		this.markerColor = markerColor;
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	protected override void ProcessFilter(UnmanagedImage image)
+	{
+		List<IntPoint> list = detector.ProcessImage(image);
+		foreach (IntPoint item in list)
+		{
+			Drawing.FillRectangle(image, new Rectangle(item.X - 1, item.Y - 1, 3, 3), markerColor);
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Crop.cs

@@ -0,0 +1,74 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Crop : BaseTransformationFilter
+{
+	private Rectangle rect;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Rectangle Rectangle
+	{
+		get
+		{
+			return rect;
+		}
+		set
+		{
+			rect = value;
+		}
+	}
+
+	public Crop(Rectangle rect)
+	{
+		this.rect = rect;
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)3424269;
+	}
+
+	protected override Size CalculateNewImageSize(UnmanagedImage sourceData)
+	{
+		return new Size(rect.Width, rect.Height);
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		//IL_0055: Unknown result type (might be due to invalid IL or missing references)
+		Rectangle rectangle = rect;
+		rectangle.Intersect(new Rectangle(0, 0, sourceData.Width, sourceData.Height));
+		int left = rectangle.Left;
+		int top = rectangle.Top;
+		int num = rectangle.Bottom - 1;
+		int width = rectangle.Width;
+		int stride = sourceData.Stride;
+		int stride2 = destinationData.Stride;
+		int num2 = Image.GetPixelFormatSize(sourceData.PixelFormat) / 8;
+		int count = width * num2;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer() + (nint)top * (nint)stride + (nint)left * (nint)num2;
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		if (rect.Top < 0)
+		{
+			ptr2 -= (nint)stride2 * (nint)rect.Top;
+		}
+		if (rect.Left < 0)
+		{
+			ptr2 -= (nint)num2 * (nint)rect.Left;
+		}
+		for (int i = top; i <= num; i++)
+		{
+			SystemTools.CopyUnmanagedMemory(ptr2, ptr, count);
+			ptr += stride;
+			ptr2 += stride2;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Difference.cs

@@ -0,0 +1,109 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public sealed class Difference : BaseInPlaceFilter2
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Difference()
+	{
+		InitFormatTranslations();
+	}
+
+	public Difference(Bitmap overlayImage)
+		: base(overlayImage)
+	{
+		InitFormatTranslations();
+	}
+
+	public Difference(UnmanagedImage unmanagedOverlayImage)
+		: base(unmanagedOverlayImage)
+	{
+		InitFormatTranslations();
+	}
+
+	private void InitFormatTranslations()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)3424269;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, UnmanagedImage overlay)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0015: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001b: Invalid comparison between Unknown and I4
+		//IL_0038: Unknown result type (might be due to invalid IL or missing references)
+		//IL_003e: Invalid comparison between Unknown and I4
+		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0023: Invalid comparison between Unknown and I4
+		//IL_0040: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0046: Invalid comparison between Unknown and I4
+		//IL_0025: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Invalid comparison between Unknown and I4
+		//IL_002d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0033: Invalid comparison between Unknown and I4
+		//IL_00e3: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00e9: Invalid comparison between Unknown and I4
+		//IL_00eb: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00f1: Invalid comparison between Unknown and I4
+		PixelFormat pixelFormat = image.PixelFormat;
+		int width = image.Width;
+		int height = image.Height;
+		if ((int)pixelFormat == 198659 || (int)pixelFormat == 137224 || (int)pixelFormat == 139273 || (int)pixelFormat == 2498570)
+		{
+			int num = (((int)pixelFormat == 198659) ? 1 : (((int)pixelFormat == 137224) ? 3 : 4));
+			int num2 = width * num;
+			int num3 = image.Stride - num2;
+			int num4 = overlay.Stride - num2;
+			byte* ptr = (byte*)image.ImageData.ToPointer();
+			byte* ptr2 = (byte*)overlay.ImageData.ToPointer();
+			for (int i = 0; i < height; i++)
+			{
+				int num5 = 0;
+				while (num5 < num2)
+				{
+					int num6 = *ptr - *ptr2;
+					*ptr = ((num6 < 0) ? ((byte)(-num6)) : ((byte)num6));
+					num5++;
+					ptr++;
+					ptr2++;
+				}
+				ptr += num3;
+				ptr2 += num4;
+			}
+			return;
+		}
+		int num7 = (((int)pixelFormat == 1052676) ? 1 : (((int)pixelFormat == 1060876) ? 3 : 4));
+		int num8 = width * num7;
+		int stride = image.Stride;
+		int stride2 = overlay.Stride;
+		byte* ptr3 = (byte*)image.ImageData.ToPointer();
+		byte* ptr4 = (byte*)overlay.ImageData.ToPointer();
+		for (int j = 0; j < height; j++)
+		{
+			ushort* ptr5 = (ushort*)(ptr3 + (nint)j * (nint)stride);
+			ushort* ptr6 = (ushort*)(ptr4 + (nint)j * (nint)stride2);
+			int num9 = 0;
+			while (num9 < num8)
+			{
+				int num6 = *ptr5 - *ptr6;
+				*ptr5 = ((num6 < 0) ? ((ushort)(-num6)) : ((ushort)num6));
+				num9++;
+				ptr5++;
+				ptr6++;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/DifferenceEdgeDetector.cs

@@ -0,0 +1,79 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class DifferenceEdgeDetector : BaseUsingCopyPartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public DifferenceEdgeDetector()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		int num = rect.Left + 1;
+		int num2 = rect.Top + 1;
+		int num3 = num + rect.Width - 2;
+		int num4 = num2 + rect.Height - 2;
+		int stride = destination.Stride;
+		int stride2 = source.Stride;
+		int num5 = stride - rect.Width + 2;
+		int num6 = stride2 - rect.Width + 2;
+		byte* ptr = (byte*)source.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destination.ImageData.ToPointer();
+		ptr += stride2 * num2 + num;
+		ptr2 += stride * num2 + num;
+		for (int i = num2; i < num4; i++)
+		{
+			int num7 = num;
+			while (num7 < num3)
+			{
+				int num8 = ptr[-stride2 - 1] - ptr[stride2 + 1];
+				if (num8 < 0)
+				{
+					num8 = -num8;
+				}
+				int num9 = ptr[-stride2 + 1] - ptr[stride2 - 1];
+				if (num9 < 0)
+				{
+					num9 = -num9;
+				}
+				if (num9 > num8)
+				{
+					num8 = num9;
+				}
+				num9 = ptr[-stride2] - ptr[stride2];
+				if (num9 < 0)
+				{
+					num9 = -num9;
+				}
+				if (num9 > num8)
+				{
+					num8 = num9;
+				}
+				num9 = ptr[-1] - ptr[1];
+				if (num9 < 0)
+				{
+					num9 = -num9;
+				}
+				if (num9 > num8)
+				{
+					num8 = num9;
+				}
+				*ptr2 = (byte)num8;
+				num7++;
+				ptr++;
+				ptr2++;
+			}
+			ptr += num6;
+			ptr2 += num5;
+		}
+		Drawing.Rectangle(destination, rect, Color.Black);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Dilatation.cs

@@ -0,0 +1,282 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Dilatation : BaseUsingCopyPartialFilter
+{
+	private short[,] se = new short[3, 3]
+	{
+		{ 1, 1, 1 },
+		{ 1, 1, 1 },
+		{ 1, 1, 1 }
+	};
+
+	private int size = 3;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Dilatation()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+	}
+
+	public Dilatation(short[,] se)
+		: this()
+	{
+		int length = se.GetLength(0);
+		if (length != se.GetLength(1) || length < 3 || length > 99 || length % 2 == 0)
+		{
+			throw new ArgumentException("Invalid size of structuring element.");
+		}
+		this.se = se;
+		size = length;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0036: Unknown result type (might be due to invalid IL or missing references)
+		//IL_003c: Invalid comparison between Unknown and I4
+		//IL_0049: Unknown result type (might be due to invalid IL or missing references)
+		//IL_004f: Invalid comparison between Unknown and I4
+		//IL_003e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0044: Invalid comparison between Unknown and I4
+		//IL_02b3: Unknown result type (might be due to invalid IL or missing references)
+		//IL_02b9: Invalid comparison between Unknown and I4
+		//IL_009d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a3: Invalid comparison between Unknown and I4
+		//IL_030f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0315: Invalid comparison between Unknown and I4
+		PixelFormat pixelFormat = sourceData.PixelFormat;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num = left + rect.Width;
+		int num2 = top + rect.Height;
+		int num3 = size >> 1;
+		if ((int)pixelFormat == 198659 || (int)pixelFormat == 137224)
+		{
+			int num4 = (((int)pixelFormat == 198659) ? 1 : 3);
+			int stride = destinationData.Stride;
+			int stride2 = sourceData.Stride;
+			byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+			byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+			ptr += (nint)left * (nint)num4;
+			ptr2 += (nint)left * (nint)num4;
+			if ((int)pixelFormat == 198659)
+			{
+				for (int i = top; i < num2; i++)
+				{
+					byte* ptr3 = ptr + (nint)i * (nint)stride2;
+					byte* ptr4 = ptr2 + (nint)i * (nint)stride;
+					int num5 = left;
+					while (num5 < num)
+					{
+						byte b = 0;
+						for (int j = 0; j < size; j++)
+						{
+							int num6 = j - num3;
+							int num7 = i + num6;
+							if (num7 < top)
+							{
+								continue;
+							}
+							if (num7 >= num2)
+							{
+								break;
+							}
+							for (int k = 0; k < size; k++)
+							{
+								int num8 = k - num3;
+								num7 = num5 + num8;
+								if (num7 >= left && num7 < num && se[j, k] == 1)
+								{
+									byte b2 = ptr3[num6 * stride2 + num8];
+									if (b2 > b)
+									{
+										b = b2;
+									}
+								}
+							}
+						}
+						*ptr4 = b;
+						num5++;
+						ptr3++;
+						ptr4++;
+					}
+				}
+				return;
+			}
+			for (int l = top; l < num2; l++)
+			{
+				byte* ptr5 = ptr + (nint)l * (nint)stride2;
+				byte* ptr6 = ptr2 + (nint)l * (nint)stride;
+				int num9 = left;
+				while (num9 < num)
+				{
+					byte b4;
+					byte b5;
+					byte b3 = (b4 = (b5 = 0));
+					for (int m = 0; m < size; m++)
+					{
+						int num10 = m - num3;
+						int num11 = l + num10;
+						if (num11 < top)
+						{
+							continue;
+						}
+						if (num11 >= num2)
+						{
+							break;
+						}
+						for (int n = 0; n < size; n++)
+						{
+							int num12 = n - num3;
+							num11 = num9 + num12;
+							if (num11 >= left && num11 < num && se[m, n] == 1)
+							{
+								byte* ptr7 = ptr5 + (num10 * stride2 + num12 * 3);
+								byte b6 = ptr7[2];
+								if (b6 > b3)
+								{
+									b3 = b6;
+								}
+								b6 = ptr7[1];
+								if (b6 > b4)
+								{
+									b4 = b6;
+								}
+								b6 = *ptr7;
+								if (b6 > b5)
+								{
+									b5 = b6;
+								}
+							}
+						}
+					}
+					ptr6[2] = b3;
+					ptr6[1] = b4;
+					*ptr6 = b5;
+					num9++;
+					ptr5 += 3;
+					ptr6 += 3;
+				}
+			}
+			return;
+		}
+		int num13 = (((int)pixelFormat == 1052676) ? 1 : 3);
+		int num14 = destinationData.Stride / 2;
+		int num15 = sourceData.Stride / 2;
+		ushort* ptr8 = (ushort*)sourceData.ImageData.ToPointer();
+		ushort* ptr9 = (ushort*)destinationData.ImageData.ToPointer();
+		ptr8 += left * num13;
+		ptr9 += left * num13;
+		if ((int)pixelFormat == 1052676)
+		{
+			for (int num16 = top; num16 < num2; num16++)
+			{
+				ushort* ptr10 = ptr8 + num16 * num15;
+				ushort* ptr11 = ptr9 + num16 * num14;
+				int num17 = left;
+				while (num17 < num)
+				{
+					ushort num18 = 0;
+					for (int num19 = 0; num19 < size; num19++)
+					{
+						int num20 = num19 - num3;
+						int num21 = num16 + num20;
+						if (num21 < top)
+						{
+							continue;
+						}
+						if (num21 >= num2)
+						{
+							break;
+						}
+						for (int num22 = 0; num22 < size; num22++)
+						{
+							int num23 = num22 - num3;
+							num21 = num17 + num23;
+							if (num21 >= left && num21 < num && se[num19, num22] == 1)
+							{
+								ushort num24 = ptr10[num20 * num15 + num23];
+								if (num24 > num18)
+								{
+									num18 = num24;
+								}
+							}
+						}
+					}
+					*ptr11 = num18;
+					num17++;
+					ptr10++;
+					ptr11++;
+				}
+			}
+			return;
+		}
+		for (int num25 = top; num25 < num2; num25++)
+		{
+			ushort* ptr12 = ptr8 + num25 * num15;
+			ushort* ptr13 = ptr9 + num25 * num14;
+			int num26 = left;
+			while (num26 < num)
+			{
+				ushort num28;
+				ushort num29;
+				ushort num27 = (num28 = (num29 = 0));
+				for (int num30 = 0; num30 < size; num30++)
+				{
+					int num31 = num30 - num3;
+					int num32 = num25 + num31;
+					if (num32 < top)
+					{
+						continue;
+					}
+					if (num32 >= num2)
+					{
+						break;
+					}
+					for (int num33 = 0; num33 < size; num33++)
+					{
+						int num34 = num33 - num3;
+						num32 = num26 + num34;
+						if (num32 >= left && num32 < num && se[num30, num33] == 1)
+						{
+							ushort* ptr14 = ptr12 + (num31 * num15 + num34 * 3);
+							ushort num35 = ptr14[2];
+							if (num35 > num27)
+							{
+								num27 = num35;
+							}
+							num35 = ptr14[1];
+							if (num35 > num28)
+							{
+								num28 = num35;
+							}
+							num35 = *ptr14;
+							if (num35 > num29)
+							{
+								num29 = num35;
+							}
+						}
+					}
+				}
+				ptr13[2] = num27;
+				ptr13[1] = num28;
+				*ptr13 = num29;
+				num26++;
+				ptr12 += 3;
+				ptr13 += 3;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Dilatation3x3.cs

@@ -0,0 +1,250 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Dilatation3x3 : BaseUsingCopyPartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Dilatation3x3()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect)
+	{
+		if (rect.Width < 3 || rect.Height < 3)
+		{
+			throw new InvalidImagePropertiesException("Processing rectangle mast be at least 3x3 in size.");
+		}
+		int num = rect.Left + 1;
+		int num2 = rect.Top + 1;
+		int num3 = rect.Right - 1;
+		int num4 = rect.Bottom - 1;
+		int stride = destinationData.Stride;
+		int stride2 = sourceData.Stride;
+		int num5 = stride - rect.Width + 1;
+		int num6 = stride2 - rect.Width + 1;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		ptr += num - 1 + (num2 - 1) * stride2;
+		ptr2 += num - 1 + (num2 - 1) * stride;
+		byte b = *ptr;
+		if (ptr[1] > b)
+		{
+			b = ptr[1];
+		}
+		if (ptr[stride2] > b)
+		{
+			b = ptr[stride2];
+		}
+		if (ptr[stride2 + 1] > b)
+		{
+			b = ptr[stride2 + 1];
+		}
+		*ptr2 = b;
+		ptr++;
+		ptr2++;
+		int num7 = num;
+		while (num7 < num3)
+		{
+			b = *ptr;
+			if (ptr[-1] > b)
+			{
+				b = ptr[-1];
+			}
+			if (ptr[1] > b)
+			{
+				b = ptr[1];
+			}
+			if (ptr[stride2 - 1] > b)
+			{
+				b = ptr[stride2 - 1];
+			}
+			if (ptr[stride2] > b)
+			{
+				b = ptr[stride2];
+			}
+			if (ptr[stride2 + 1] > b)
+			{
+				b = ptr[stride2 + 1];
+			}
+			*ptr2 = b;
+			num7++;
+			ptr++;
+			ptr2++;
+		}
+		b = *ptr;
+		if (ptr[-1] > b)
+		{
+			b = ptr[-1];
+		}
+		if (ptr[stride2 - 1] > b)
+		{
+			b = ptr[stride2 - 1];
+		}
+		if (ptr[stride2] > b)
+		{
+			b = ptr[stride2];
+		}
+		*ptr2 = b;
+		ptr += num6;
+		ptr2 += num5;
+		for (int i = num2; i < num4; i++)
+		{
+			b = *ptr;
+			if (ptr[1] > b)
+			{
+				b = ptr[1];
+			}
+			if (ptr[-stride2] > b)
+			{
+				b = ptr[-stride2];
+			}
+			if (ptr[-stride2 + 1] > b)
+			{
+				b = ptr[-stride2 + 1];
+			}
+			if (ptr[stride2] > b)
+			{
+				b = ptr[stride2];
+			}
+			if (ptr[stride2 + 1] > b)
+			{
+				b = ptr[stride2 + 1];
+			}
+			*ptr2 = b;
+			ptr++;
+			ptr2++;
+			int num8 = num;
+			while (num8 < num3)
+			{
+				b = *ptr;
+				if (ptr[-1] > b)
+				{
+					b = ptr[-1];
+				}
+				if (ptr[1] > b)
+				{
+					b = ptr[1];
+				}
+				if (ptr[-stride2 - 1] > b)
+				{
+					b = ptr[-stride2 - 1];
+				}
+				if (ptr[-stride2] > b)
+				{
+					b = ptr[-stride2];
+				}
+				if (ptr[-stride2 + 1] > b)
+				{
+					b = ptr[-stride2 + 1];
+				}
+				if (ptr[stride2 - 1] > b)
+				{
+					b = ptr[stride2 - 1];
+				}
+				if (ptr[stride2] > b)
+				{
+					b = ptr[stride2];
+				}
+				if (ptr[stride2 + 1] > b)
+				{
+					b = ptr[stride2 + 1];
+				}
+				*ptr2 = b;
+				num8++;
+				ptr++;
+				ptr2++;
+			}
+			b = *ptr;
+			if (ptr[-1] > b)
+			{
+				b = ptr[-1];
+			}
+			if (ptr[-stride2 - 1] > b)
+			{
+				b = ptr[-stride2 - 1];
+			}
+			if (ptr[-stride2] > b)
+			{
+				b = ptr[-stride2];
+			}
+			if (ptr[stride2 - 1] > b)
+			{
+				b = ptr[stride2 - 1];
+			}
+			if (ptr[stride2] > b)
+			{
+				b = ptr[stride2];
+			}
+			*ptr2 = b;
+			ptr += num6;
+			ptr2 += num5;
+		}
+		*ptr2 = (byte)(*ptr | ptr[1] | ptr[-stride2] | ptr[-stride2 + 1]);
+		b = *ptr;
+		if (ptr[1] > b)
+		{
+			b = ptr[1];
+		}
+		if (ptr[-stride2] > b)
+		{
+			b = ptr[-stride2];
+		}
+		if (ptr[-stride2 + 1] > b)
+		{
+			b = ptr[-stride2 + 1];
+		}
+		*ptr2 = b;
+		ptr++;
+		ptr2++;
+		int num9 = num;
+		while (num9 < num3)
+		{
+			b = *ptr;
+			if (ptr[-1] > b)
+			{
+				b = ptr[-1];
+			}
+			if (ptr[1] > b)
+			{
+				b = ptr[1];
+			}
+			if (ptr[-stride2 - 1] > b)
+			{
+				b = ptr[-stride2 - 1];
+			}
+			if (ptr[-stride2] > b)
+			{
+				b = ptr[-stride2];
+			}
+			if (ptr[-stride2 + 1] > b)
+			{
+				b = ptr[-stride2 + 1];
+			}
+			*ptr2 = b;
+			num9++;
+			ptr++;
+			ptr2++;
+		}
+		b = *ptr;
+		if (ptr[-1] > b)
+		{
+			b = ptr[-1];
+		}
+		if (ptr[-stride2 - 1] > b)
+		{
+			b = ptr[-stride2 - 1];
+		}
+		if (ptr[-stride2] > b)
+		{
+			b = ptr[-stride2];
+		}
+		*ptr2 = b;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Edges.cs

@@ -0,0 +1,14 @@
+namespace AForge.Imaging.Filters;
+
+public sealed class Edges : Convolution
+{
+	public Edges()
+		: base(new int[3, 3]
+		{
+			{ 0, -1, 0 },
+			{ -1, 4, -1 },
+			{ 0, -1, 0 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Erosion.cs

@@ -0,0 +1,282 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Erosion : BaseUsingCopyPartialFilter
+{
+	private short[,] se = new short[3, 3]
+	{
+		{ 1, 1, 1 },
+		{ 1, 1, 1 },
+		{ 1, 1, 1 }
+	};
+
+	private int size = 3;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Erosion()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)1052676] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1060876;
+	}
+
+	public Erosion(short[,] se)
+		: this()
+	{
+		int length = se.GetLength(0);
+		if (length != se.GetLength(1) || length < 3 || length > 99 || length % 2 == 0)
+		{
+			throw new ArgumentException("Invalid size of structuring element.");
+		}
+		this.se = se;
+		size = length;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0006: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0036: Unknown result type (might be due to invalid IL or missing references)
+		//IL_003c: Invalid comparison between Unknown and I4
+		//IL_0049: Unknown result type (might be due to invalid IL or missing references)
+		//IL_004f: Invalid comparison between Unknown and I4
+		//IL_003e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0044: Invalid comparison between Unknown and I4
+		//IL_02bb: Unknown result type (might be due to invalid IL or missing references)
+		//IL_02c1: Invalid comparison between Unknown and I4
+		//IL_009d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00a3: Invalid comparison between Unknown and I4
+		//IL_0317: Unknown result type (might be due to invalid IL or missing references)
+		//IL_031d: Invalid comparison between Unknown and I4
+		PixelFormat pixelFormat = sourceData.PixelFormat;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num = left + rect.Width;
+		int num2 = top + rect.Height;
+		int num3 = size >> 1;
+		if ((int)pixelFormat == 198659 || (int)pixelFormat == 137224)
+		{
+			int num4 = (((int)pixelFormat == 198659) ? 1 : 3);
+			int stride = destinationData.Stride;
+			int stride2 = sourceData.Stride;
+			byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+			byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+			ptr += (nint)left * (nint)num4;
+			ptr2 += (nint)left * (nint)num4;
+			if ((int)pixelFormat == 198659)
+			{
+				for (int i = top; i < num2; i++)
+				{
+					byte* ptr3 = ptr + (nint)i * (nint)stride2;
+					byte* ptr4 = ptr2 + (nint)i * (nint)stride;
+					int num5 = left;
+					while (num5 < num)
+					{
+						byte b = byte.MaxValue;
+						for (int j = 0; j < size; j++)
+						{
+							int num6 = j - num3;
+							int num7 = i + num6;
+							if (num7 < top)
+							{
+								continue;
+							}
+							if (num7 >= num2)
+							{
+								break;
+							}
+							for (int k = 0; k < size; k++)
+							{
+								int num8 = k - num3;
+								num7 = num5 + num8;
+								if (num7 >= left && num7 < num && se[j, k] == 1)
+								{
+									byte b2 = ptr3[num6 * stride2 + num8];
+									if (b2 < b)
+									{
+										b = b2;
+									}
+								}
+							}
+						}
+						*ptr4 = b;
+						num5++;
+						ptr3++;
+						ptr4++;
+					}
+				}
+				return;
+			}
+			for (int l = top; l < num2; l++)
+			{
+				byte* ptr5 = ptr + (nint)l * (nint)stride2;
+				byte* ptr6 = ptr2 + (nint)l * (nint)stride;
+				int num9 = left;
+				while (num9 < num)
+				{
+					byte b4;
+					byte b5;
+					byte b3 = (b4 = (b5 = byte.MaxValue));
+					for (int m = 0; m < size; m++)
+					{
+						int num10 = m - num3;
+						int num11 = l + num10;
+						if (num11 < top)
+						{
+							continue;
+						}
+						if (num11 >= num2)
+						{
+							break;
+						}
+						for (int n = 0; n < size; n++)
+						{
+							int num12 = n - num3;
+							num11 = num9 + num12;
+							if (num11 >= left && num11 < num && se[m, n] == 1)
+							{
+								byte* ptr7 = ptr5 + (num10 * stride2 + num12 * 3);
+								byte b6 = ptr7[2];
+								if (b6 < b3)
+								{
+									b3 = b6;
+								}
+								b6 = ptr7[1];
+								if (b6 < b4)
+								{
+									b4 = b6;
+								}
+								b6 = *ptr7;
+								if (b6 < b5)
+								{
+									b5 = b6;
+								}
+							}
+						}
+					}
+					ptr6[2] = b3;
+					ptr6[1] = b4;
+					*ptr6 = b5;
+					num9++;
+					ptr5 += 3;
+					ptr6 += 3;
+				}
+			}
+			return;
+		}
+		int num13 = (((int)pixelFormat == 1052676) ? 1 : 3);
+		int num14 = destinationData.Stride / 2;
+		int num15 = sourceData.Stride / 2;
+		ushort* ptr8 = (ushort*)sourceData.ImageData.ToPointer();
+		ushort* ptr9 = (ushort*)destinationData.ImageData.ToPointer();
+		ptr8 += left * num13;
+		ptr9 += left * num13;
+		if ((int)pixelFormat == 1052676)
+		{
+			for (int num16 = top; num16 < num2; num16++)
+			{
+				ushort* ptr10 = ptr8 + num16 * num15;
+				ushort* ptr11 = ptr9 + num16 * num14;
+				int num17 = left;
+				while (num17 < num)
+				{
+					ushort num18 = ushort.MaxValue;
+					for (int num19 = 0; num19 < size; num19++)
+					{
+						int num20 = num19 - num3;
+						int num21 = num16 + num20;
+						if (num21 < top)
+						{
+							continue;
+						}
+						if (num21 >= num2)
+						{
+							break;
+						}
+						for (int num22 = 0; num22 < size; num22++)
+						{
+							int num23 = num22 - num3;
+							num21 = num17 + num23;
+							if (num21 >= left && num21 < num && se[num19, num22] == 1)
+							{
+								ushort num24 = ptr10[num20 * num15 + num23];
+								if (num24 < num18)
+								{
+									num18 = num24;
+								}
+							}
+						}
+					}
+					*ptr11 = num18;
+					num17++;
+					ptr10++;
+					ptr11++;
+				}
+			}
+			return;
+		}
+		for (int num25 = top; num25 < num2; num25++)
+		{
+			ushort* ptr12 = ptr8 + num25 * num15;
+			ushort* ptr13 = ptr9 + num25 * num14;
+			int num26 = left;
+			while (num26 < num)
+			{
+				ushort num28;
+				ushort num29;
+				ushort num27 = (num28 = (num29 = ushort.MaxValue));
+				for (int num30 = 0; num30 < size; num30++)
+				{
+					int num31 = num30 - num3;
+					int num32 = num25 + num31;
+					if (num32 < top)
+					{
+						continue;
+					}
+					if (num32 >= num2)
+					{
+						break;
+					}
+					for (int num33 = 0; num33 < size; num33++)
+					{
+						int num34 = num33 - num3;
+						num32 = num26 + num34;
+						if (num32 >= left && num32 < num && se[num30, num33] == 1)
+						{
+							ushort* ptr14 = ptr12 + (num31 * num15 + num34 * 3);
+							ushort num35 = ptr14[2];
+							if (num35 < num27)
+							{
+								num27 = num35;
+							}
+							num35 = ptr14[1];
+							if (num35 < num28)
+							{
+								num28 = num35;
+							}
+							num35 = *ptr14;
+							if (num35 < num29)
+							{
+								num29 = num35;
+							}
+						}
+					}
+				}
+				ptr13[2] = num27;
+				ptr13[1] = num28;
+				*ptr13 = num29;
+				num26++;
+				ptr12 += 3;
+				ptr13 += 3;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Erosion3x3.cs

@@ -0,0 +1,250 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Erosion3x3 : BaseUsingCopyPartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Erosion3x3()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect)
+	{
+		if (rect.Width < 3 || rect.Height < 3)
+		{
+			throw new InvalidImagePropertiesException("Processing rectangle mast be at least 3x3 in size.");
+		}
+		int num = rect.Left + 1;
+		int num2 = rect.Top + 1;
+		int num3 = rect.Right - 1;
+		int num4 = rect.Bottom - 1;
+		int stride = destinationData.Stride;
+		int stride2 = sourceData.Stride;
+		int num5 = stride - rect.Width + 1;
+		int num6 = stride2 - rect.Width + 1;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		ptr += num - 1 + (num2 - 1) * stride2;
+		ptr2 += num - 1 + (num2 - 1) * stride;
+		byte b = *ptr;
+		if (ptr[1] < b)
+		{
+			b = ptr[1];
+		}
+		if (ptr[stride2] < b)
+		{
+			b = ptr[stride2];
+		}
+		if (ptr[stride2 + 1] < b)
+		{
+			b = ptr[stride2 + 1];
+		}
+		*ptr2 = b;
+		ptr++;
+		ptr2++;
+		int num7 = num;
+		while (num7 < num3)
+		{
+			b = *ptr;
+			if (ptr[-1] < b)
+			{
+				b = ptr[-1];
+			}
+			if (ptr[1] < b)
+			{
+				b = ptr[1];
+			}
+			if (ptr[stride2 - 1] < b)
+			{
+				b = ptr[stride2 - 1];
+			}
+			if (ptr[stride2] < b)
+			{
+				b = ptr[stride2];
+			}
+			if (ptr[stride2 + 1] < b)
+			{
+				b = ptr[stride2 + 1];
+			}
+			*ptr2 = b;
+			num7++;
+			ptr++;
+			ptr2++;
+		}
+		b = *ptr;
+		if (ptr[-1] < b)
+		{
+			b = ptr[-1];
+		}
+		if (ptr[stride2 - 1] < b)
+		{
+			b = ptr[stride2 - 1];
+		}
+		if (ptr[stride2] < b)
+		{
+			b = ptr[stride2];
+		}
+		*ptr2 = b;
+		ptr += num6;
+		ptr2 += num5;
+		for (int i = num2; i < num4; i++)
+		{
+			b = *ptr;
+			if (ptr[1] < b)
+			{
+				b = ptr[1];
+			}
+			if (ptr[-stride2] < b)
+			{
+				b = ptr[-stride2];
+			}
+			if (ptr[-stride2 + 1] < b)
+			{
+				b = ptr[-stride2 + 1];
+			}
+			if (ptr[stride2] < b)
+			{
+				b = ptr[stride2];
+			}
+			if (ptr[stride2 + 1] < b)
+			{
+				b = ptr[stride2 + 1];
+			}
+			*ptr2 = b;
+			ptr++;
+			ptr2++;
+			int num8 = num;
+			while (num8 < num3)
+			{
+				b = *ptr;
+				if (ptr[-1] < b)
+				{
+					b = ptr[-1];
+				}
+				if (ptr[1] < b)
+				{
+					b = ptr[1];
+				}
+				if (ptr[-stride2 - 1] < b)
+				{
+					b = ptr[-stride2 - 1];
+				}
+				if (ptr[-stride2] < b)
+				{
+					b = ptr[-stride2];
+				}
+				if (ptr[-stride2 + 1] < b)
+				{
+					b = ptr[-stride2 + 1];
+				}
+				if (ptr[stride2 - 1] < b)
+				{
+					b = ptr[stride2 - 1];
+				}
+				if (ptr[stride2] < b)
+				{
+					b = ptr[stride2];
+				}
+				if (ptr[stride2 + 1] < b)
+				{
+					b = ptr[stride2 + 1];
+				}
+				*ptr2 = b;
+				num8++;
+				ptr++;
+				ptr2++;
+			}
+			b = *ptr;
+			if (ptr[-1] < b)
+			{
+				b = ptr[-1];
+			}
+			if (ptr[-stride2 - 1] < b)
+			{
+				b = ptr[-stride2 - 1];
+			}
+			if (ptr[-stride2] < b)
+			{
+				b = ptr[-stride2];
+			}
+			if (ptr[stride2 - 1] < b)
+			{
+				b = ptr[stride2 - 1];
+			}
+			if (ptr[stride2] < b)
+			{
+				b = ptr[stride2];
+			}
+			*ptr2 = b;
+			ptr += num6;
+			ptr2 += num5;
+		}
+		*ptr2 = (byte)(*ptr | ptr[1] | ptr[-stride2] | ptr[-stride2 + 1]);
+		b = *ptr;
+		if (ptr[1] < b)
+		{
+			b = ptr[1];
+		}
+		if (ptr[-stride2] < b)
+		{
+			b = ptr[-stride2];
+		}
+		if (ptr[-stride2 + 1] < b)
+		{
+			b = ptr[-stride2 + 1];
+		}
+		*ptr2 = b;
+		ptr++;
+		ptr2++;
+		int num9 = num;
+		while (num9 < num3)
+		{
+			b = *ptr;
+			if (ptr[-1] < b)
+			{
+				b = ptr[-1];
+			}
+			if (ptr[1] < b)
+			{
+				b = ptr[1];
+			}
+			if (ptr[-stride2 - 1] < b)
+			{
+				b = ptr[-stride2 - 1];
+			}
+			if (ptr[-stride2] < b)
+			{
+				b = ptr[-stride2];
+			}
+			if (ptr[-stride2 + 1] < b)
+			{
+				b = ptr[-stride2 + 1];
+			}
+			*ptr2 = b;
+			num9++;
+			ptr++;
+			ptr2++;
+		}
+		b = *ptr;
+		if (ptr[-1] < b)
+		{
+			b = ptr[-1];
+		}
+		if (ptr[-stride2 - 1] < b)
+		{
+			b = ptr[-stride2 - 1];
+		}
+		if (ptr[-stride2] < b)
+		{
+			b = ptr[-stride2];
+		}
+		*ptr2 = b;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ErrorDiffusionDithering.cs

@@ -0,0 +1,82 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public abstract class ErrorDiffusionDithering : BaseInPlacePartialFilter
+{
+	private byte threshold = 128;
+
+	protected int x;
+
+	protected int y;
+
+	protected int startX;
+
+	protected int startY;
+
+	protected int stopX;
+
+	protected int stopY;
+
+	protected int stride;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public byte ThresholdValue
+	{
+		get
+		{
+			return threshold;
+		}
+		set
+		{
+			threshold = value;
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	protected ErrorDiffusionDithering()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe abstract void Diffuse(int error, byte* ptr);
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		startX = rect.Left;
+		startY = rect.Top;
+		stopX = startX + rect.Width;
+		stopY = startY + rect.Height;
+		stride = image.Stride;
+		int num = stride - rect.Width;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += startY * stride + startX;
+		for (y = startY; y < stopY; y++)
+		{
+			x = startX;
+			while (x < stopX)
+			{
+				int num2 = *ptr;
+				int error;
+				if (num2 >= threshold)
+				{
+					*ptr = byte.MaxValue;
+					error = num2 - 255;
+				}
+				else
+				{
+					*ptr = 0;
+					error = num2;
+				}
+				Diffuse(error, ptr);
+				x++;
+				ptr++;
+			}
+			ptr += num;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ErrorDiffusionToAdjacentNeighbors.cs

@@ -0,0 +1,83 @@
+namespace AForge.Imaging.Filters;
+
+public class ErrorDiffusionToAdjacentNeighbors : ErrorDiffusionDithering
+{
+	private int[][] coefficients;
+
+	private int coefficientsSum;
+
+	public int[][] Coefficients
+	{
+		get
+		{
+			return coefficients;
+		}
+		set
+		{
+			coefficients = value;
+			CalculateCoefficientsSum();
+		}
+	}
+
+	public ErrorDiffusionToAdjacentNeighbors(int[][] coefficients)
+	{
+		this.coefficients = coefficients;
+		CalculateCoefficientsSum();
+	}
+
+	protected unsafe override void Diffuse(int error, byte* ptr)
+	{
+		int[] array = coefficients[0];
+		int num = 1;
+		int i = 0;
+		for (int num2 = array.Length; i < num2; i++)
+		{
+			if (x + num >= stopX)
+			{
+				break;
+			}
+			int num3 = ptr[num] + error * array[i] / coefficientsSum;
+			num3 = ((num3 >= 0) ? ((num3 > 255) ? 255 : num3) : 0);
+			ptr[num] = (byte)num3;
+			num++;
+		}
+		int j = 1;
+		for (int num4 = coefficients.Length; j < num4 && y + j < stopY; j++)
+		{
+			ptr += stride;
+			array = coefficients[j];
+			int k = 0;
+			int num5 = array.Length;
+			int num6 = -(num5 >> 1);
+			for (; k < num5; k++)
+			{
+				if (x + num6 >= stopX)
+				{
+					break;
+				}
+				if (x + num6 >= startX)
+				{
+					int num3 = ptr[num6] + error * array[k] / coefficientsSum;
+					num3 = ((num3 >= 0) ? ((num3 > 255) ? 255 : num3) : 0);
+					ptr[num6] = (byte)num3;
+				}
+				num6++;
+			}
+		}
+	}
+
+	private void CalculateCoefficientsSum()
+	{
+		coefficientsSum = 0;
+		int i = 0;
+		for (int num = coefficients.Length; i < num; i++)
+		{
+			int[] array = coefficients[i];
+			int j = 0;
+			for (int num2 = array.Length; j < num2; j++)
+			{
+				coefficientsSum += array[j];
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/EuclideanColorFiltering.cs

@@ -0,0 +1,132 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class EuclideanColorFiltering : BaseInPlacePartialFilter
+{
+	private short radius = 100;
+
+	private RGB center = new RGB(byte.MaxValue, byte.MaxValue, byte.MaxValue);
+
+	private RGB fill = new RGB(0, 0, 0);
+
+	private bool fillOutside = true;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public short Radius
+	{
+		get
+		{
+			return radius;
+		}
+		set
+		{
+			radius = System.Math.Max((short)0, System.Math.Min((short)450, value));
+		}
+	}
+
+	public RGB CenterColor
+	{
+		get
+		{
+			return center;
+		}
+		set
+		{
+			center = value;
+		}
+	}
+
+	public RGB FillColor
+	{
+		get
+		{
+			return fill;
+		}
+		set
+		{
+			fill = value;
+		}
+	}
+
+	public bool FillOutside
+	{
+		get
+		{
+			return fillOutside;
+		}
+		set
+		{
+			fillOutside = value;
+		}
+	}
+
+	public EuclideanColorFiltering()
+	{
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	public EuclideanColorFiltering(RGB center, short radius)
+		: this()
+	{
+		this.center = center;
+		this.radius = radius;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		int num = (((int)image.PixelFormat == 137224) ? 3 : 4);
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int num4 = image.Stride - rect.Width * num;
+		int num5 = radius * radius;
+		int red = center.Red;
+		int green = center.Green;
+		int blue = center.Blue;
+		byte red2 = fill.Red;
+		byte green2 = fill.Green;
+		byte blue2 = fill.Blue;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + left * num;
+		for (int i = top; i < num3; i++)
+		{
+			int num6 = left;
+			while (num6 < num2)
+			{
+				int num7 = red - ptr[2];
+				int num8 = green - ptr[1];
+				int num9 = blue - *ptr;
+				if (num7 * num7 + num8 * num8 + num9 * num9 <= num5)
+				{
+					if (!fillOutside)
+					{
+						ptr[2] = red2;
+						ptr[1] = green2;
+						*ptr = blue2;
+					}
+				}
+				else if (fillOutside)
+				{
+					ptr[2] = red2;
+					ptr[1] = green2;
+					*ptr = blue2;
+				}
+				num6++;
+				ptr += num;
+			}
+			ptr += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ExtractBiggestBlob.cs

@@ -0,0 +1,139 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ExtractBiggestBlob : IFilter, IFilterInformation
+{
+	private Bitmap originalImage;
+
+	private IntPoint blobPosition;
+
+	public IntPoint BlobPosition => blobPosition;
+
+	public Dictionary<PixelFormat, PixelFormat> FormatTranslations
+	{
+		get
+		{
+			//IL_006c: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0082: Unknown result type (might be due to invalid IL or missing references)
+			//IL_0098: Unknown result type (might be due to invalid IL or missing references)
+			//IL_00ae: Unknown result type (might be due to invalid IL or missing references)
+			//IL_00c4: Unknown result type (might be due to invalid IL or missing references)
+			Dictionary<PixelFormat, PixelFormat> dictionary = new Dictionary<PixelFormat, PixelFormat>();
+			if (originalImage == null)
+			{
+				dictionary[(PixelFormat)198659] = (PixelFormat)198659;
+				dictionary[(PixelFormat)137224] = (PixelFormat)137224;
+				dictionary[(PixelFormat)2498570] = (PixelFormat)2498570;
+				dictionary[(PixelFormat)139273] = (PixelFormat)139273;
+				dictionary[(PixelFormat)925707] = (PixelFormat)925707;
+			}
+			else
+			{
+				dictionary[(PixelFormat)198659] = ((Image)originalImage).PixelFormat;
+				dictionary[(PixelFormat)137224] = ((Image)originalImage).PixelFormat;
+				dictionary[(PixelFormat)2498570] = ((Image)originalImage).PixelFormat;
+				dictionary[(PixelFormat)139273] = ((Image)originalImage).PixelFormat;
+				dictionary[(PixelFormat)925707] = ((Image)originalImage).PixelFormat;
+			}
+			return dictionary;
+		}
+	}
+
+	public Bitmap OriginalImage
+	{
+		get
+		{
+			return originalImage;
+		}
+		set
+		{
+			originalImage = value;
+		}
+	}
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		Bitmap val2 = null;
+		try
+		{
+			return Apply(val);
+		}
+		finally
+		{
+			image.UnlockBits(val);
+		}
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		//IL_0007: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00d2: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00dc: Invalid comparison between Unknown and I4
+		//IL_00e4: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ee: Invalid comparison between Unknown and I4
+		//IL_00f6: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0100: Invalid comparison between Unknown and I4
+		//IL_0108: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0112: Invalid comparison between Unknown and I4
+		//IL_011a: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0124: Invalid comparison between Unknown and I4
+		if (!FormatTranslations.ContainsKey(imageData.PixelFormat))
+		{
+			throw new UnsupportedImageFormatException("Source pixel format is not supported by the filter.");
+		}
+		BlobCounter blobCounter = new BlobCounter(imageData);
+		Blob[] objectsInformation = blobCounter.GetObjectsInformation();
+		int num = 0;
+		Blob blob = null;
+		int i = 0;
+		for (int num2 = objectsInformation.Length; i < num2; i++)
+		{
+			int num3 = objectsInformation[i].Rectangle.Width * objectsInformation[i].Rectangle.Height;
+			if (num3 > num)
+			{
+				num = num3;
+				blob = objectsInformation[i];
+			}
+		}
+		if (blob == null)
+		{
+			throw new ArgumentException("The source image does not contain any blobs.");
+		}
+		blobPosition = new IntPoint(blob.Rectangle.Left, blob.Rectangle.Top);
+		if (originalImage == null)
+		{
+			blobCounter.ExtractBlobsImage(new UnmanagedImage(imageData), blob, extractInOriginalSize: false);
+		}
+		else
+		{
+			if ((int)((Image)originalImage).PixelFormat != 137224 && (int)((Image)originalImage).PixelFormat != 2498570 && (int)((Image)originalImage).PixelFormat != 139273 && (int)((Image)originalImage).PixelFormat != 925707 && (int)((Image)originalImage).PixelFormat != 198659)
+			{
+				throw new UnsupportedImageFormatException("Original image may be grayscale (8bpp indexed) or color (24/32bpp) image only.");
+			}
+			if (((Image)originalImage).Width != imageData.Width || ((Image)originalImage).Height != imageData.Height)
+			{
+				throw new InvalidImagePropertiesException("Original image must have the same size as passed source image.");
+			}
+			blobCounter.ExtractBlobsImage(originalImage, blob, extractInOriginalSize: false);
+		}
+		Bitmap result = blob.Image.ToManagedImage();
+		blob.Image.Dispose();
+		return result;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		throw new NotImplementedException("The method is not implemented for the filter.");
+	}
+
+	public void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		throw new NotImplementedException("The method is not implemented filter.");
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ExtractChannel.cs

@@ -0,0 +1,99 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ExtractChannel : BaseFilter
+{
+	private short channel = 2;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public short Channel
+	{
+		get
+		{
+			return channel;
+		}
+		set
+		{
+			if (value != 2 && value != 1 && value != 0 && value != 3)
+			{
+				throw new ArgumentException("Invalid channel is specified.");
+			}
+			channel = value;
+		}
+	}
+
+	public ExtractChannel()
+	{
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)1052676;
+	}
+
+	public ExtractChannel(short channel)
+		: this()
+	{
+		Channel = channel;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		int num = Image.GetPixelFormatSize(sourceData.PixelFormat) / 8;
+		if (channel == 3 && num != 4 && num != 8)
+		{
+			throw new InvalidImagePropertiesException("Can not extract alpha channel from none ARGB image.");
+		}
+		if (num <= 4)
+		{
+			int num2 = sourceData.Stride - width * num;
+			int num3 = destinationData.Stride - width;
+			byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+			byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+			ptr += channel;
+			for (int i = 0; i < height; i++)
+			{
+				int num4 = 0;
+				while (num4 < width)
+				{
+					*ptr2 = *ptr;
+					num4++;
+					ptr += num;
+					ptr2++;
+				}
+				ptr += num2;
+				ptr2 += num3;
+			}
+			return;
+		}
+		num /= 2;
+		byte* ptr3 = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr4 = (byte*)destinationData.ImageData.ToPointer();
+		int stride = sourceData.Stride;
+		int stride2 = destinationData.Stride;
+		for (int j = 0; j < height; j++)
+		{
+			ushort* ptr5 = (ushort*)(ptr3 + (nint)j * (nint)stride);
+			ushort* ptr6 = (ushort*)(ptr4 + (nint)j * (nint)stride2);
+			ptr5 += channel;
+			int num5 = 0;
+			while (num5 < width)
+			{
+				*ptr6 = *ptr5;
+				num5++;
+				ptr5 += num;
+				ptr6++;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/ExtractNormalizedRGBChannel.cs

@@ -0,0 +1,95 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class ExtractNormalizedRGBChannel : BaseFilter
+{
+	private short channel = 2;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public short Channel
+	{
+		get
+		{
+			return channel;
+		}
+		set
+		{
+			if (value != 2 && value != 1 && value != 0)
+			{
+				throw new ArgumentException("Invalid channel is specified.");
+			}
+			channel = value;
+		}
+	}
+
+	public ExtractNormalizedRGBChannel()
+	{
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)1052676;
+	}
+
+	public ExtractNormalizedRGBChannel(short channel)
+		: this()
+	{
+		Channel = channel;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		int num = Image.GetPixelFormatSize(sourceData.PixelFormat) / 8;
+		if (num <= 4)
+		{
+			int num2 = sourceData.Stride - width * num;
+			int num3 = destinationData.Stride - width;
+			byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+			byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+			for (int i = 0; i < height; i++)
+			{
+				int num4 = 0;
+				while (num4 < width)
+				{
+					int num5 = ptr[2] + ptr[1] + *ptr;
+					*ptr2 = (byte)((num5 != 0) ? ((byte)(255 * ptr[channel] / num5)) : 0);
+					num4++;
+					ptr += num;
+					ptr2++;
+				}
+				ptr += num2;
+				ptr2 += num3;
+			}
+			return;
+		}
+		num /= 2;
+		byte* ptr3 = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr4 = (byte*)destinationData.ImageData.ToPointer();
+		int stride = sourceData.Stride;
+		int stride2 = destinationData.Stride;
+		for (int j = 0; j < height; j++)
+		{
+			ushort* ptr5 = (ushort*)(ptr3 + (nint)j * (nint)stride);
+			ushort* ptr6 = (ushort*)(ptr4 + (nint)j * (nint)stride2);
+			int num6 = 0;
+			while (num6 < width)
+			{
+				int num5 = ptr5[2] + ptr5[1] + *ptr5;
+				*ptr6 = (ushort)((num5 != 0) ? ((ushort)(65535 * ptr5[channel] / num5)) : 0);
+				num6++;
+				ptr5 += num;
+				ptr6++;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/FillHoles.cs

@@ -0,0 +1,106 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class FillHoles : BaseInPlaceFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	private bool coupledSizeFiltering = true;
+
+	private int maxHoleWidth = int.MaxValue;
+
+	private int maxHoleHeight = int.MaxValue;
+
+	public bool CoupledSizeFiltering
+	{
+		get
+		{
+			return coupledSizeFiltering;
+		}
+		set
+		{
+			coupledSizeFiltering = value;
+		}
+	}
+
+	public int MaxHoleWidth
+	{
+		get
+		{
+			return maxHoleWidth;
+		}
+		set
+		{
+			maxHoleWidth = System.Math.Max(value, 0);
+		}
+	}
+
+	public int MaxHoleHeight
+	{
+		get
+		{
+			return maxHoleHeight;
+		}
+		set
+		{
+			maxHoleHeight = System.Math.Max(value, 0);
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public FillHoles()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image)
+	{
+		int width = image.Width;
+		int height = image.Height;
+		Invert invert = new Invert();
+		UnmanagedImage image2 = invert.Apply(image);
+		BlobCounter blobCounter = new BlobCounter();
+		blobCounter.ProcessImage(image2);
+		Blob[] objectsInformation = blobCounter.GetObjectsInformation();
+		byte[] array = new byte[objectsInformation.Length + 1];
+		array[0] = byte.MaxValue;
+		int i = 0;
+		for (int num = objectsInformation.Length; i < num; i++)
+		{
+			Blob blob = objectsInformation[i];
+			if (blob.Rectangle.Left == 0 || blob.Rectangle.Top == 0 || blob.Rectangle.Right == width || blob.Rectangle.Bottom == height)
+			{
+				array[blob.ID] = 0;
+			}
+			else if ((coupledSizeFiltering && blob.Rectangle.Width <= maxHoleWidth && blob.Rectangle.Height <= maxHoleHeight) | (!coupledSizeFiltering && (blob.Rectangle.Width <= maxHoleWidth || blob.Rectangle.Height <= maxHoleHeight)))
+			{
+				array[blob.ID] = byte.MaxValue;
+			}
+			else
+			{
+				array[blob.ID] = 0;
+			}
+		}
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		int num2 = image.Stride - width;
+		int[] objectLabels = blobCounter.ObjectLabels;
+		int j = 0;
+		int num3 = 0;
+		for (; j < height; j++)
+		{
+			int num4 = 0;
+			while (num4 < width)
+			{
+				*ptr = array[objectLabels[num3]];
+				num4++;
+				num3++;
+				ptr++;
+			}
+			ptr += num2;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/FilterIterator.cs

@@ -0,0 +1,101 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class FilterIterator : IFilter, IFilterInformation
+{
+	private IFilter baseFilter;
+
+	private int iterations = 1;
+
+	public Dictionary<PixelFormat, PixelFormat> FormatTranslations => ((IFilterInformation)baseFilter).FormatTranslations;
+
+	public IFilter BaseFilter
+	{
+		get
+		{
+			return baseFilter;
+		}
+		set
+		{
+			baseFilter = value;
+		}
+	}
+
+	public int Iterations
+	{
+		get
+		{
+			return iterations;
+		}
+		set
+		{
+			iterations = System.Math.Max(1, System.Math.Min(255, value));
+		}
+	}
+
+	public FilterIterator(IFilter baseFilter)
+	{
+		this.baseFilter = baseFilter;
+	}
+
+	public FilterIterator(IFilter baseFilter, int iterations)
+	{
+		this.baseFilter = baseFilter;
+		this.iterations = iterations;
+	}
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0016: Unknown result type (might be due to invalid IL or missing references)
+		BitmapData val = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		Bitmap result = Apply(val);
+		image.UnlockBits(val);
+		return result;
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		Bitmap val = baseFilter.Apply(imageData);
+		for (int i = 1; i < iterations; i++)
+		{
+			Bitmap val2 = val;
+			val = baseFilter.Apply(val2);
+			((Image)val2).Dispose();
+		}
+		return val;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		UnmanagedImage unmanagedImage = baseFilter.Apply(image);
+		for (int i = 1; i < iterations; i++)
+		{
+			UnmanagedImage unmanagedImage2 = unmanagedImage;
+			unmanagedImage = baseFilter.Apply(unmanagedImage2);
+			unmanagedImage2.Dispose();
+		}
+		return unmanagedImage;
+	}
+
+	public void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		if (iterations == 1)
+		{
+			baseFilter.Apply(sourceImage, destinationImage);
+			return;
+		}
+		UnmanagedImage unmanagedImage = baseFilter.Apply(sourceImage);
+		iterations--;
+		for (int i = 1; i < iterations; i++)
+		{
+			UnmanagedImage unmanagedImage2 = unmanagedImage;
+			unmanagedImage = baseFilter.Apply(unmanagedImage2);
+			unmanagedImage2.Dispose();
+		}
+		baseFilter.Apply(unmanagedImage, destinationImage);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/FiltersSequence.cs

@@ -0,0 +1,91 @@
+using System;
+using System.Collections;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class FiltersSequence : CollectionBase, IFilter
+{
+	public IFilter this[int index] => (IFilter)base.InnerList[index];
+
+	public FiltersSequence()
+	{
+	}
+
+	public FiltersSequence(params IFilter[] filters)
+	{
+		base.InnerList.AddRange(filters);
+	}
+
+	public void Add(IFilter filter)
+	{
+		base.InnerList.Add(filter);
+	}
+
+	public Bitmap Apply(Bitmap image)
+	{
+		//IL_0018: Unknown result type (might be due to invalid IL or missing references)
+		Bitmap val = null;
+		BitmapData val2 = image.LockBits(new Rectangle(0, 0, ((Image)image).Width, ((Image)image).Height), (ImageLockMode)1, ((Image)image).PixelFormat);
+		try
+		{
+			return Apply(val2);
+		}
+		finally
+		{
+			image.UnlockBits(val2);
+		}
+	}
+
+	public Bitmap Apply(BitmapData imageData)
+	{
+		UnmanagedImage unmanagedImage = Apply(new UnmanagedImage(imageData));
+		Bitmap result = unmanagedImage.ToManagedImage();
+		unmanagedImage.Dispose();
+		return result;
+	}
+
+	public UnmanagedImage Apply(UnmanagedImage image)
+	{
+		int count = base.InnerList.Count;
+		if (count == 0)
+		{
+			throw new ApplicationException("No filters in the sequence.");
+		}
+		UnmanagedImage unmanagedImage = null;
+		UnmanagedImage unmanagedImage2 = null;
+		unmanagedImage = ((IFilter)base.InnerList[0]).Apply(image);
+		for (int i = 1; i < count; i++)
+		{
+			unmanagedImage2 = unmanagedImage;
+			unmanagedImage = ((IFilter)base.InnerList[i]).Apply(unmanagedImage2);
+			unmanagedImage2.Dispose();
+		}
+		return unmanagedImage;
+	}
+
+	public void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage)
+	{
+		int count = base.InnerList.Count;
+		switch (count)
+		{
+		case 0:
+			throw new ApplicationException("No filters in the sequence.");
+		case 1:
+			((IFilter)base.InnerList[0]).Apply(sourceImage, destinationImage);
+			return;
+		}
+		UnmanagedImage unmanagedImage = null;
+		UnmanagedImage unmanagedImage2 = null;
+		unmanagedImage = ((IFilter)base.InnerList[0]).Apply(sourceImage);
+		count--;
+		for (int i = 1; i < count; i++)
+		{
+			unmanagedImage2 = unmanagedImage;
+			unmanagedImage = ((IFilter)base.InnerList[i]).Apply(unmanagedImage2);
+			unmanagedImage2.Dispose();
+		}
+		((IFilter)base.InnerList[count]).Apply(unmanagedImage, destinationImage);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/FlatFieldCorrection.cs

@@ -0,0 +1,166 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class FlatFieldCorrection : BaseInPlaceFilter
+{
+	private Bitmap backgroundImage;
+
+	private UnmanagedImage unmanagedBackgroundImage;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public Bitmap BackgoundImage
+	{
+		get
+		{
+			return backgroundImage;
+		}
+		set
+		{
+			backgroundImage = value;
+			if (value != null)
+			{
+				unmanagedBackgroundImage = null;
+			}
+		}
+	}
+
+	public UnmanagedImage UnmanagedBackgoundImage
+	{
+		get
+		{
+			return unmanagedBackgroundImage;
+		}
+		set
+		{
+			unmanagedBackgroundImage = value;
+			if (value != null)
+			{
+				backgroundImage = null;
+			}
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public FlatFieldCorrection()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+	}
+
+	public FlatFieldCorrection(Bitmap backgroundImage)
+		: this()
+	{
+		this.backgroundImage = backgroundImage;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image)
+	{
+		//IL_0019: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0023: Invalid comparison between Unknown and I4
+		//IL_0158: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0162: Invalid comparison between Unknown and I4
+		//IL_00df: Unknown result type (might be due to invalid IL or missing references)
+		//IL_00ea: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0112: Unknown result type (might be due to invalid IL or missing references)
+		UnmanagedImage unmanagedImage = null;
+		BitmapData val = null;
+		int width = image.Width;
+		int height = image.Height;
+		int num = image.Stride - (((int)image.PixelFormat == 198659) ? width : (width * 3));
+		if (backgroundImage == null && unmanagedBackgroundImage == null)
+		{
+			ResizeBicubic resizeBicubic = new ResizeBicubic(width / 3, height / 3);
+			UnmanagedImage unmanagedImage2 = resizeBicubic.Apply(image);
+			GaussianBlur gaussianBlur = new GaussianBlur(5.0, 21);
+			gaussianBlur.ApplyInPlace(unmanagedImage2);
+			gaussianBlur.ApplyInPlace(unmanagedImage2);
+			gaussianBlur.ApplyInPlace(unmanagedImage2);
+			gaussianBlur.ApplyInPlace(unmanagedImage2);
+			gaussianBlur.ApplyInPlace(unmanagedImage2);
+			resizeBicubic.NewWidth = width;
+			resizeBicubic.NewHeight = height;
+			unmanagedImage = resizeBicubic.Apply(unmanagedImage2);
+			unmanagedImage2.Dispose();
+		}
+		else if (backgroundImage != null)
+		{
+			if (width != ((Image)backgroundImage).Width || height != ((Image)backgroundImage).Height || image.PixelFormat != ((Image)backgroundImage).PixelFormat)
+			{
+				throw new InvalidImagePropertiesException("Source image and background images must have the same size and pixel format");
+			}
+			val = backgroundImage.LockBits(new Rectangle(0, 0, width, height), (ImageLockMode)1, ((Image)backgroundImage).PixelFormat);
+			unmanagedImage = new UnmanagedImage(val);
+		}
+		else
+		{
+			unmanagedImage = unmanagedBackgroundImage;
+		}
+		ImageStatistics imageStatistics = new ImageStatistics(unmanagedImage);
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		byte* ptr2 = (byte*)unmanagedImage.ImageData.ToPointer();
+		if ((int)image.PixelFormat == 198659)
+		{
+			double mean = imageStatistics.Gray.Mean;
+			for (int i = 0; i < height; i++)
+			{
+				int num2 = 0;
+				while (num2 < width)
+				{
+					if (*ptr2 != 0)
+					{
+						*ptr = (byte)System.Math.Min(mean * (double)(int)(*ptr) / (double)(int)(*ptr2), 255.0);
+					}
+					num2++;
+					ptr++;
+					ptr2++;
+				}
+				ptr += num;
+				ptr2 += num;
+			}
+		}
+		else
+		{
+			double mean2 = imageStatistics.Red.Mean;
+			double mean3 = imageStatistics.Green.Mean;
+			double mean4 = imageStatistics.Blue.Mean;
+			for (int j = 0; j < height; j++)
+			{
+				int num3 = 0;
+				while (num3 < width)
+				{
+					if (ptr2[2] != 0)
+					{
+						ptr[2] = (byte)System.Math.Min(mean2 * (double)(int)ptr[2] / (double)(int)ptr2[2], 255.0);
+					}
+					if (ptr2[1] != 0)
+					{
+						ptr[1] = (byte)System.Math.Min(mean3 * (double)(int)ptr[1] / (double)(int)ptr2[1], 255.0);
+					}
+					if (*ptr2 != 0)
+					{
+						*ptr = (byte)System.Math.Min(mean4 * (double)(int)(*ptr) / (double)(int)(*ptr2), 255.0);
+					}
+					num3++;
+					ptr += 3;
+					ptr2 += 3;
+				}
+				ptr += num;
+				ptr2 += num;
+			}
+		}
+		if (backgroundImage != null)
+		{
+			backgroundImage.UnlockBits(val);
+		}
+		if (backgroundImage == null && unmanagedBackgroundImage == null)
+		{
+			unmanagedImage.Dispose();
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/FloydSteinbergDithering.cs

@@ -0,0 +1,13 @@
+namespace AForge.Imaging.Filters;
+
+public sealed class FloydSteinbergDithering : ErrorDiffusionToAdjacentNeighbors
+{
+	public FloydSteinbergDithering()
+		: base(new int[2][]
+		{
+			new int[1] { 7 },
+			new int[3] { 3, 5, 1 }
+		})
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/GammaCorrection.cs

@@ -0,0 +1,71 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class GammaCorrection : BaseInPlacePartialFilter
+{
+	private double gamma;
+
+	private byte[] table = new byte[256];
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public double Gamma
+	{
+		get
+		{
+			return gamma;
+		}
+		set
+		{
+			gamma = System.Math.Max(0.1, System.Math.Min(5.0, value));
+			double y = 1.0 / gamma;
+			for (int i = 0; i < 256; i++)
+			{
+				table[i] = (byte)System.Math.Min(255, (int)(System.Math.Pow((double)i / 255.0, y) * 255.0 + 0.5));
+			}
+		}
+	}
+
+	public GammaCorrection()
+		: this(2.2)
+	{
+	}
+
+	public GammaCorrection(double gamma)
+	{
+		Gamma = gamma;
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		int num = (((int)image.PixelFormat == 198659) ? 1 : 3);
+		int num2 = rect.Left * num;
+		int top = rect.Top;
+		int num3 = num2 + rect.Width * num;
+		int num4 = top + rect.Height;
+		int num5 = image.Stride - rect.Width * num;
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + num2;
+		for (int i = top; i < num4; i++)
+		{
+			int num6 = num2;
+			while (num6 < num3)
+			{
+				*ptr = table[*ptr];
+				num6++;
+				ptr++;
+			}
+			ptr += num5;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/GaussianBlur.cs

@@ -0,0 +1,80 @@
+using System;
+using AForge.Math;
+
+namespace AForge.Imaging.Filters;
+
+public sealed class GaussianBlur : Convolution
+{
+	private double sigma = 1.4;
+
+	private int size = 5;
+
+	public double Sigma
+	{
+		get
+		{
+			return sigma;
+		}
+		set
+		{
+			sigma = System.Math.Max(0.5, System.Math.Min(5.0, value));
+			CreateFilter();
+		}
+	}
+
+	public int Size
+	{
+		get
+		{
+			return size;
+		}
+		set
+		{
+			size = System.Math.Max(3, System.Math.Min(21, value | 1));
+			CreateFilter();
+		}
+	}
+
+	public GaussianBlur()
+	{
+		CreateFilter();
+		base.ProcessAlpha = true;
+	}
+
+	public GaussianBlur(double sigma)
+	{
+		Sigma = sigma;
+		base.ProcessAlpha = true;
+	}
+
+	public GaussianBlur(double sigma, int size)
+	{
+		Sigma = sigma;
+		Size = size;
+		base.ProcessAlpha = true;
+	}
+
+	private void CreateFilter()
+	{
+		Gaussian gaussian = new Gaussian(sigma);
+		double[,] array = gaussian.Kernel2D(size);
+		double num = array[0, 0];
+		int[,] array2 = new int[size, size];
+		int num2 = 0;
+		for (int i = 0; i < size; i++)
+		{
+			for (int j = 0; j < size; j++)
+			{
+				double num3 = array[i, j] / num;
+				if (num3 > 65535.0)
+				{
+					num3 = 65535.0;
+				}
+				array2[i, j] = (int)num3;
+				num2 += array2[i, j];
+			}
+		}
+		base.Kernel = array2;
+		base.Divisor = num2;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/GaussianSharpen.cs

@@ -0,0 +1,94 @@
+using System;
+using AForge.Math;
+
+namespace AForge.Imaging.Filters;
+
+public class GaussianSharpen : Convolution
+{
+	private double sigma = 1.4;
+
+	private int size = 5;
+
+	public double Sigma
+	{
+		get
+		{
+			return sigma;
+		}
+		set
+		{
+			sigma = System.Math.Max(0.5, System.Math.Min(5.0, value));
+			CreateFilter();
+		}
+	}
+
+	public int Size
+	{
+		get
+		{
+			return size;
+		}
+		set
+		{
+			size = System.Math.Max(3, System.Math.Min(21, value | 1));
+			CreateFilter();
+		}
+	}
+
+	public GaussianSharpen()
+	{
+		CreateFilter();
+	}
+
+	public GaussianSharpen(double sigma)
+	{
+		Sigma = sigma;
+	}
+
+	public GaussianSharpen(double sigma, int size)
+	{
+		Sigma = sigma;
+		Size = size;
+	}
+
+	private void CreateFilter()
+	{
+		Gaussian gaussian = new Gaussian(sigma);
+		double[,] array = gaussian.Kernel2D(size);
+		double num = array[0, 0];
+		int[,] array2 = new int[size, size];
+		int num2 = 0;
+		int num3 = 0;
+		for (int i = 0; i < size; i++)
+		{
+			for (int j = 0; j < size; j++)
+			{
+				double num4 = array[i, j] / num;
+				if (num4 > 65535.0)
+				{
+					num4 = 65535.0;
+				}
+				array2[i, j] = (int)num4;
+				num2 += array2[i, j];
+			}
+		}
+		int num5 = size >> 1;
+		for (int k = 0; k < size; k++)
+		{
+			for (int l = 0; l < size; l++)
+			{
+				if (k == num5 && l == num5)
+				{
+					array2[k, l] = 2 * num2 - array2[k, l];
+				}
+				else
+				{
+					array2[k, l] = -array2[k, l];
+				}
+				num3 += array2[k, l];
+			}
+		}
+		base.Kernel = array2;
+		base.Divisor = num3;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/Grayscale.cs

@@ -0,0 +1,100 @@
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class Grayscale : BaseFilter
+{
+	public static class CommonAlgorithms
+	{
+		public static readonly Grayscale BT709 = new Grayscale(0.2125, 0.7154, 0.0721);
+
+		public static readonly Grayscale RMY = new Grayscale(0.5, 0.419, 0.081);
+
+		public static readonly Grayscale Y = new Grayscale(0.299, 0.587, 0.114);
+	}
+
+	public readonly double RedCoefficient;
+
+	public readonly double GreenCoefficient;
+
+	public readonly double BlueCoefficient;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Grayscale(double cr, double cg, double cb)
+	{
+		RedCoefficient = cr;
+		GreenCoefficient = cg;
+		BlueCoefficient = cb;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)1060876] = (PixelFormat)1052676;
+		formatTranslations[(PixelFormat)3424269] = (PixelFormat)1052676;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		//IL_000f: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0014: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0015: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001b: Invalid comparison between Unknown and I4
+		//IL_0030: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0036: Invalid comparison between Unknown and I4
+		//IL_001d: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0023: Invalid comparison between Unknown and I4
+		//IL_0025: Unknown result type (might be due to invalid IL or missing references)
+		//IL_002b: Invalid comparison between Unknown and I4
+		//IL_010b: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0111: Invalid comparison between Unknown and I4
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		PixelFormat pixelFormat = sourceData.PixelFormat;
+		if ((int)pixelFormat == 137224 || (int)pixelFormat == 139273 || (int)pixelFormat == 2498570)
+		{
+			int num = (((int)pixelFormat == 137224) ? 3 : 4);
+			int num2 = sourceData.Stride - width * num;
+			int num3 = destinationData.Stride - width;
+			int num4 = (int)(65536.0 * RedCoefficient);
+			int num5 = (int)(65536.0 * GreenCoefficient);
+			int num6 = (int)(65536.0 * BlueCoefficient);
+			byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+			byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+			for (int i = 0; i < height; i++)
+			{
+				int num7 = 0;
+				while (num7 < width)
+				{
+					*ptr2 = (byte)(num4 * ptr[2] + num5 * ptr[1] + num6 * *ptr >> 16);
+					num7++;
+					ptr += num;
+					ptr2++;
+				}
+				ptr += num2;
+				ptr2 += num3;
+			}
+			return;
+		}
+		int num8 = (((int)pixelFormat == 1060876) ? 3 : 4);
+		byte* ptr3 = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr4 = (byte*)destinationData.ImageData.ToPointer();
+		int stride = sourceData.Stride;
+		int stride2 = destinationData.Stride;
+		for (int j = 0; j < height; j++)
+		{
+			ushort* ptr5 = (ushort*)(ptr3 + (nint)j * (nint)stride);
+			ushort* ptr6 = (ushort*)(ptr4 + (nint)j * (nint)stride2);
+			int num9 = 0;
+			while (num9 < width)
+			{
+				*ptr6 = (ushort)(RedCoefficient * (double)(int)ptr5[2] + GreenCoefficient * (double)(int)ptr5[1] + BlueCoefficient * (double)(int)(*ptr5));
+				num9++;
+				ptr5 += num8;
+				ptr6++;
+			}
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/GrayscaleBT709.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace AForge.Imaging.Filters;
+
+[Obsolete("Use Grayscale.CommonAlgorithms.BT709 object instead")]
+public sealed class GrayscaleBT709 : Grayscale
+{
+	public GrayscaleBT709()
+		: base(0.2125, 0.7154, 0.0721)
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/GrayscaleRMY.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace AForge.Imaging.Filters;
+
+[Obsolete("Use Grayscale.CommonAlgorithms.RMY object instead")]
+public sealed class GrayscaleRMY : Grayscale
+{
+	public GrayscaleRMY()
+		: base(0.5, 0.419, 0.081)
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/GrayscaleToRGB.cs

@@ -0,0 +1,39 @@
+using System.Collections.Generic;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public sealed class GrayscaleToRGB : BaseFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public GrayscaleToRGB()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)137224;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData)
+	{
+		int width = sourceData.Width;
+		int height = sourceData.Height;
+		int num = sourceData.Stride - width;
+		int num2 = destinationData.Stride - width * 3;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		for (int i = 0; i < height; i++)
+		{
+			int num3 = 0;
+			while (num3 < width)
+			{
+				ptr2[2] = (ptr2[1] = (*ptr2 = *ptr));
+				num3++;
+				ptr++;
+				ptr2 += 3;
+			}
+			ptr += num;
+			ptr2 += num2;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/GrayscaleY.cs

@@ -0,0 +1,12 @@
+using System;
+
+namespace AForge.Imaging.Filters;
+
+[Obsolete("Use Grayscale.CommonAlgorithms.Y object instead")]
+public sealed class GrayscaleY : Grayscale
+{
+	public GrayscaleY()
+		: base(0.299, 0.587, 0.114)
+	{
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/HSLFiltering.cs

@@ -0,0 +1,218 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class HSLFiltering : BaseInPlacePartialFilter
+{
+	private IntRange hue = new IntRange(0, 359);
+
+	private Range saturation = new Range(0f, 1f);
+
+	private Range luminance = new Range(0f, 1f);
+
+	private int fillH;
+
+	private float fillS;
+
+	private float fillL;
+
+	private bool fillOutsideRange = true;
+
+	private bool updateH = true;
+
+	private bool updateS = true;
+
+	private bool updateL = true;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public IntRange Hue
+	{
+		get
+		{
+			return hue;
+		}
+		set
+		{
+			hue = value;
+		}
+	}
+
+	public Range Saturation
+	{
+		get
+		{
+			return saturation;
+		}
+		set
+		{
+			saturation = value;
+		}
+	}
+
+	public Range Luminance
+	{
+		get
+		{
+			return luminance;
+		}
+		set
+		{
+			luminance = value;
+		}
+	}
+
+	public HSL FillColor
+	{
+		get
+		{
+			return new HSL(fillH, fillS, fillL);
+		}
+		set
+		{
+			fillH = value.Hue;
+			fillS = value.Saturation;
+			fillL = value.Luminance;
+		}
+	}
+
+	public bool FillOutsideRange
+	{
+		get
+		{
+			return fillOutsideRange;
+		}
+		set
+		{
+			fillOutsideRange = value;
+		}
+	}
+
+	public bool UpdateHue
+	{
+		get
+		{
+			return updateH;
+		}
+		set
+		{
+			updateH = value;
+		}
+	}
+
+	public bool UpdateSaturation
+	{
+		get
+		{
+			return updateS;
+		}
+		set
+		{
+			updateS = value;
+		}
+	}
+
+	public bool UpdateLuminance
+	{
+		get
+		{
+			return updateL;
+		}
+		set
+		{
+			updateL = value;
+		}
+	}
+
+	public HSLFiltering()
+	{
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	public HSLFiltering(IntRange hue, Range saturation, Range luminance)
+		: this()
+	{
+		this.hue = hue;
+		this.saturation = saturation;
+		this.luminance = luminance;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		int num = (((int)image.PixelFormat == 137224) ? 3 : 4);
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int num4 = image.Stride - rect.Width * num;
+		RGB rGB = new RGB();
+		HSL hSL = new HSL();
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + left * num;
+		for (int i = top; i < num3; i++)
+		{
+			int num5 = left;
+			while (num5 < num2)
+			{
+				bool flag = false;
+				rGB.Red = ptr[2];
+				rGB.Green = ptr[1];
+				rGB.Blue = *ptr;
+				HSL.FromRGB(rGB, hSL);
+				if (hSL.Saturation >= saturation.Min && hSL.Saturation <= saturation.Max && hSL.Luminance >= luminance.Min && hSL.Luminance <= luminance.Max && ((hue.Min < hue.Max && hSL.Hue >= hue.Min && hSL.Hue <= hue.Max) || (hue.Min > hue.Max && (hSL.Hue >= hue.Min || hSL.Hue <= hue.Max))))
+				{
+					if (!fillOutsideRange)
+					{
+						if (updateH)
+						{
+							hSL.Hue = fillH;
+						}
+						if (updateS)
+						{
+							hSL.Saturation = fillS;
+						}
+						if (updateL)
+						{
+							hSL.Luminance = fillL;
+						}
+						flag = true;
+					}
+				}
+				else if (fillOutsideRange)
+				{
+					if (updateH)
+					{
+						hSL.Hue = fillH;
+					}
+					if (updateS)
+					{
+						hSL.Saturation = fillS;
+					}
+					if (updateL)
+					{
+						hSL.Luminance = fillL;
+					}
+					flag = true;
+				}
+				if (flag)
+				{
+					HSL.ToRGB(hSL, rGB);
+					ptr[2] = rGB.Red;
+					ptr[1] = rGB.Green;
+					*ptr = rGB.Blue;
+				}
+				num5++;
+				ptr += num;
+			}
+			ptr += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/HSLLinear.cs

@@ -0,0 +1,146 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class HSLLinear : BaseInPlacePartialFilter
+{
+	private Range inLuminance = new Range(0f, 1f);
+
+	private Range inSaturation = new Range(0f, 1f);
+
+	private Range outLuminance = new Range(0f, 1f);
+
+	private Range outSaturation = new Range(0f, 1f);
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public Range InLuminance
+	{
+		get
+		{
+			return inLuminance;
+		}
+		set
+		{
+			inLuminance = value;
+		}
+	}
+
+	public Range OutLuminance
+	{
+		get
+		{
+			return outLuminance;
+		}
+		set
+		{
+			outLuminance = value;
+		}
+	}
+
+	public Range InSaturation
+	{
+		get
+		{
+			return inSaturation;
+		}
+		set
+		{
+			inSaturation = value;
+		}
+	}
+
+	public Range OutSaturation
+	{
+		get
+		{
+			return outSaturation;
+		}
+		set
+		{
+			outSaturation = value;
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public HSLLinear()
+	{
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int num4 = image.Stride - rect.Width * num;
+		RGB rGB = new RGB();
+		HSL hSL = new HSL();
+		float num5 = 0f;
+		float num6 = 0f;
+		float num7 = 0f;
+		float num8 = 0f;
+		if (inLuminance.Max != inLuminance.Min)
+		{
+			num5 = (outLuminance.Max - outLuminance.Min) / (inLuminance.Max - inLuminance.Min);
+			num6 = outLuminance.Min - num5 * inLuminance.Min;
+		}
+		if (inSaturation.Max != inSaturation.Min)
+		{
+			num7 = (outSaturation.Max - outSaturation.Min) / (inSaturation.Max - inSaturation.Min);
+			num8 = outSaturation.Min - num7 * inSaturation.Min;
+		}
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + left * num;
+		for (int i = top; i < num3; i++)
+		{
+			int num9 = left;
+			while (num9 < num2)
+			{
+				rGB.Red = ptr[2];
+				rGB.Green = ptr[1];
+				rGB.Blue = *ptr;
+				HSL.FromRGB(rGB, hSL);
+				if (hSL.Luminance >= inLuminance.Max)
+				{
+					hSL.Luminance = outLuminance.Max;
+				}
+				else if (hSL.Luminance <= inLuminance.Min)
+				{
+					hSL.Luminance = outLuminance.Min;
+				}
+				else
+				{
+					hSL.Luminance = num5 * hSL.Luminance + num6;
+				}
+				if (hSL.Saturation >= inSaturation.Max)
+				{
+					hSL.Saturation = outSaturation.Max;
+				}
+				else if (hSL.Saturation <= inSaturation.Min)
+				{
+					hSL.Saturation = outSaturation.Min;
+				}
+				else
+				{
+					hSL.Saturation = num7 * hSL.Saturation + num8;
+				}
+				HSL.ToRGB(hSL, rGB);
+				ptr[2] = rGB.Red;
+				ptr[1] = rGB.Green;
+				*ptr = rGB.Blue;
+				num9++;
+				ptr += num;
+			}
+			ptr += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/HistogramEqualization.cs

@@ -0,0 +1,120 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class HistogramEqualization : BaseInPlacePartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public HistogramEqualization()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_000b: Invalid comparison between Unknown and I4
+		//IL_000e: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0018: Invalid comparison between Unknown and I4
+		//IL_0068: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0072: Invalid comparison between Unknown and I4
+		int num = (((int)image.PixelFormat == 198659) ? 1 : (((int)image.PixelFormat == 137224) ? 3 : 4));
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int stride = image.Stride;
+		int num4 = stride - rect.Width * num;
+		int num5 = (num2 - left) * (num3 - top);
+		if ((int)image.PixelFormat == 198659)
+		{
+			byte* ptr = (byte*)image.ImageData.ToPointer();
+			ptr += top * stride + left;
+			int[] array = new int[256];
+			for (int i = top; i < num3; i++)
+			{
+				int num6 = left;
+				while (num6 < num2)
+				{
+					array[*ptr]++;
+					num6++;
+					ptr++;
+				}
+				ptr += num4;
+			}
+			byte[] array2 = Equalize(array, num5);
+			ptr = (byte*)image.ImageData.ToPointer();
+			ptr += top * stride + left;
+			for (int j = top; j < num3; j++)
+			{
+				int num7 = left;
+				while (num7 < num2)
+				{
+					*ptr = array2[*ptr];
+					num7++;
+					ptr++;
+				}
+				ptr += num4;
+			}
+			return;
+		}
+		byte* ptr2 = (byte*)image.ImageData.ToPointer();
+		ptr2 += top * stride + left * num;
+		int[] array3 = new int[256];
+		int[] array4 = new int[256];
+		int[] array5 = new int[256];
+		for (int k = top; k < num3; k++)
+		{
+			int num8 = left;
+			while (num8 < num2)
+			{
+				array3[ptr2[2]]++;
+				array4[ptr2[1]]++;
+				array5[*ptr2]++;
+				num8++;
+				ptr2 += num;
+			}
+			ptr2 += num4;
+		}
+		byte[] array6 = Equalize(array3, num5);
+		byte[] array7 = Equalize(array4, num5);
+		byte[] array8 = Equalize(array5, num5);
+		ptr2 = (byte*)image.ImageData.ToPointer();
+		ptr2 += top * stride + left * num;
+		for (int l = top; l < num3; l++)
+		{
+			int num9 = left;
+			while (num9 < num2)
+			{
+				ptr2[2] = array6[ptr2[2]];
+				ptr2[1] = array7[ptr2[1]];
+				*ptr2 = array8[*ptr2];
+				num9++;
+				ptr2 += num;
+			}
+			ptr2 += num4;
+		}
+	}
+
+	private byte[] Equalize(int[] histogram, long numPixel)
+	{
+		byte[] array = new byte[256];
+		float num = 255f / (float)numPixel;
+		float num2 = (float)histogram[0] * num;
+		array[0] = (byte)num2;
+		for (int i = 1; i < 256; i++)
+		{
+			num2 += (float)histogram[i] * num;
+			array[i] = (byte)num2;
+		}
+		return array;
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/HitAndMiss.cs

@@ -0,0 +1,119 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class HitAndMiss : BaseUsingCopyPartialFilter
+{
+	public enum Modes
+	{
+		HitAndMiss,
+		Thinning,
+		Thickening
+	}
+
+	private short[,] se;
+
+	private int size;
+
+	private Modes mode;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public Modes Mode
+	{
+		get
+		{
+			return mode;
+		}
+		set
+		{
+			mode = value;
+		}
+	}
+
+	public HitAndMiss(short[,] se)
+	{
+		int length = se.GetLength(0);
+		if (length != se.GetLength(1) || length < 3 || length > 99 || length % 2 == 0)
+		{
+			throw new ArgumentException();
+		}
+		this.se = se;
+		size = length;
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	public HitAndMiss(short[,] se, Modes mode)
+		: this(se)
+	{
+		this.mode = mode;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage sourceData, UnmanagedImage destinationData, Rectangle rect)
+	{
+		int left = rect.Left;
+		int top = rect.Top;
+		int num = left + rect.Width;
+		int num2 = top + rect.Height;
+		int stride = sourceData.Stride;
+		int stride2 = destinationData.Stride;
+		int num3 = stride - rect.Width;
+		int num4 = stride2 - rect.Width;
+		int num5 = size >> 1;
+		byte[] array = new byte[3] { 255, 0, 255 };
+		byte[] array2 = new byte[3];
+		byte[] array3 = array2;
+		int num6 = (int)mode;
+		byte* ptr = (byte*)sourceData.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destinationData.ImageData.ToPointer();
+		ptr += top * stride + left;
+		ptr2 += top * stride2 + left;
+		for (int i = top; i < num2; i++)
+		{
+			int num7 = left;
+			while (num7 < num)
+			{
+				array3[1] = (array3[2] = *ptr);
+				byte b = byte.MaxValue;
+				for (int j = 0; j < size; j++)
+				{
+					int num8 = j - num5;
+					for (int k = 0; k < size; k++)
+					{
+						int num9 = k - num5;
+						short num10 = se[j, k];
+						if (num10 != -1)
+						{
+							if (i + num8 < top || i + num8 >= num2 || num7 + num9 < left || num7 + num9 >= num)
+							{
+								b = 0;
+								break;
+							}
+							byte b2 = ptr[num8 * stride + num9];
+							if ((num10 != 0 || b2 != 0) && (num10 != 1 || b2 != byte.MaxValue))
+							{
+								b = 0;
+								break;
+							}
+						}
+					}
+					if (b == 0)
+					{
+						break;
+					}
+				}
+				*ptr2 = ((b == byte.MaxValue) ? array[num6] : array3[num6]);
+				num7++;
+				ptr++;
+				ptr2++;
+			}
+			ptr += num3;
+			ptr2 += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/HomogenityEdgeDetector.cs

@@ -0,0 +1,121 @@
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class HomogenityEdgeDetector : BaseUsingCopyPartialFilter
+{
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public HomogenityEdgeDetector()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage source, UnmanagedImage destination, Rectangle rect)
+	{
+		int num = rect.Left + 1;
+		int num2 = rect.Top + 1;
+		int num3 = num + rect.Width - 2;
+		int num4 = num2 + rect.Height - 2;
+		int stride = destination.Stride;
+		int stride2 = source.Stride;
+		int num5 = stride - rect.Width + 2;
+		int num6 = stride2 - rect.Width + 2;
+		byte* ptr = (byte*)source.ImageData.ToPointer();
+		byte* ptr2 = (byte*)destination.ImageData.ToPointer();
+		ptr += stride2 * num2 + num;
+		ptr2 += stride * num2 + num;
+		for (int i = num2; i < num4; i++)
+		{
+			int num7 = num;
+			while (num7 < num3)
+			{
+				int num8 = 0;
+				int num9 = *ptr;
+				int num10 = num9 - ptr[-stride2 - 1];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				num10 = num9 - ptr[-stride2];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				num10 = num9 - ptr[-stride2 + 1];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				num10 = num9 - ptr[-1];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				num10 = num9 - ptr[1];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				num10 = num9 - ptr[stride2 - 1];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				num10 = num9 - ptr[stride2];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				num10 = num9 - ptr[stride2 + 1];
+				if (num10 < 0)
+				{
+					num10 = -num10;
+				}
+				if (num10 > num8)
+				{
+					num8 = num10;
+				}
+				*ptr2 = (byte)num8;
+				num7++;
+				ptr++;
+				ptr2++;
+			}
+			ptr += num6;
+			ptr2 += num5;
+		}
+		Drawing.Rectangle(destination, rect, Color.Black);
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/HorizontalRunLengthSmoothing.cs

@@ -0,0 +1,84 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class HorizontalRunLengthSmoothing : BaseInPlacePartialFilter
+{
+	private int maxGapSize = 10;
+
+	private bool processGapsWithImageBorders;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public int MaxGapSize
+	{
+		get
+		{
+			return maxGapSize;
+		}
+		set
+		{
+			maxGapSize = System.Math.Max(1, System.Math.Min(1000, value));
+		}
+	}
+
+	public bool ProcessGapsWithImageBorders
+	{
+		get
+		{
+			return processGapsWithImageBorders;
+		}
+		set
+		{
+			processGapsWithImageBorders = value;
+		}
+	}
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public HorizontalRunLengthSmoothing()
+	{
+		formatTranslations[(PixelFormat)198659] = (PixelFormat)198659;
+	}
+
+	public HorizontalRunLengthSmoothing(int maxGapSize)
+		: this()
+	{
+		MaxGapSize = maxGapSize;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		int top = rect.Top;
+		int num = top + rect.Height;
+		int width = rect.Width;
+		int num2 = image.Stride - rect.Width;
+		byte* ptr = (byte*)image.ImageData.ToPointer() + (nint)top * (nint)image.Stride + rect.Left;
+		for (int i = top; i < num; i++)
+		{
+			byte* ptr2 = ptr;
+			byte* ptr3 = ptr + width;
+			while (ptr < ptr3)
+			{
+				byte* ptr4 = ptr;
+				for (; ptr < ptr3 && *ptr == 0; ptr++)
+				{
+				}
+				if (ptr - ptr4 <= maxGapSize && (processGapsWithImageBorders || (ptr4 != ptr2 && ptr != ptr3)))
+				{
+					for (; ptr4 < ptr; ptr4++)
+					{
+						*ptr4 = byte.MaxValue;
+					}
+				}
+				for (; ptr < ptr3 && *ptr != 0; ptr++)
+				{
+				}
+			}
+			ptr += num2;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/HueModifier.cs

@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public class HueModifier : BaseInPlacePartialFilter
+{
+	private int hue;
+
+	private Dictionary<PixelFormat, PixelFormat> formatTranslations = new Dictionary<PixelFormat, PixelFormat>();
+
+	public override Dictionary<PixelFormat, PixelFormat> FormatTranslations => formatTranslations;
+
+	public int Hue
+	{
+		get
+		{
+			return hue;
+		}
+		set
+		{
+			hue = System.Math.Max(0, System.Math.Min(359, value));
+		}
+	}
+
+	public HueModifier()
+	{
+		formatTranslations[(PixelFormat)137224] = (PixelFormat)137224;
+		formatTranslations[(PixelFormat)139273] = (PixelFormat)139273;
+		formatTranslations[(PixelFormat)2498570] = (PixelFormat)2498570;
+		formatTranslations[(PixelFormat)925707] = (PixelFormat)925707;
+	}
+
+	public HueModifier(int hue)
+		: this()
+	{
+		this.hue = hue;
+	}
+
+	protected unsafe override void ProcessFilter(UnmanagedImage image, Rectangle rect)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		int num = Image.GetPixelFormatSize(image.PixelFormat) / 8;
+		int left = rect.Left;
+		int top = rect.Top;
+		int num2 = left + rect.Width;
+		int num3 = top + rect.Height;
+		int num4 = image.Stride - rect.Width * num;
+		RGB rGB = new RGB();
+		HSL hSL = new HSL();
+		byte* ptr = (byte*)image.ImageData.ToPointer();
+		ptr += top * image.Stride + left * num;
+		for (int i = top; i < num3; i++)
+		{
+			int num5 = left;
+			while (num5 < num2)
+			{
+				rGB.Red = ptr[2];
+				rGB.Green = ptr[1];
+				rGB.Blue = *ptr;
+				HSL.FromRGB(rGB, hSL);
+				hSL.Hue = hue;
+				HSL.ToRGB(hSL, rGB);
+				ptr[2] = rGB.Red;
+				ptr[1] = rGB.Green;
+				*ptr = rGB.Blue;
+				num5++;
+				ptr += num;
+			}
+			ptr += num4;
+		}
+	}
+}

output/Libraries/AForge.Imaging/AForge/Imaging/Filters/IFilter.cs

@@ -0,0 +1,15 @@
+using System.Drawing;
+using System.Drawing.Imaging;
+
+namespace AForge.Imaging.Filters;
+
+public interface IFilter
+{
+	Bitmap Apply(Bitmap image);
+
+	Bitmap Apply(BitmapData imageData);
+
+	UnmanagedImage Apply(UnmanagedImage image);
+
+	void Apply(UnmanagedImage sourceImage, UnmanagedImage destinationImage);
+}