/// <summary> /// Draw channel image /// </summary> /// <param name="bitplane">bitplane of current image</param> /// <param name="ch">current channel</param> /// <param name="numCh">total number of channels</param> /// <returns>Image</returns> public static Bitmap getChannelImage(MyBitplane bitplane, int ch, int numCh) { MyImage myImage = new MyImage(bitplane.Width, bitplane.Height, numCh); myImage.Bitplane[ch] = bitplane; return(myImage.GetBitmap()); }
public static Bitmap[] SLIC(String filename, double numberOfCenters, double m, Color edgeColor) { MyImage image; Bitmap[] processedImages = new Bitmap[2]; using (Bitmap bmp = new Bitmap(filename)) { image = new MyImage(bmp); // Convert RGB TO LAB image.RGBtoLAB(); // Create centers double S = Math.Sqrt((image.Width * image.Height) / numberOfCenters); Center[] centers = createCenters(image, numberOfCenters, S); MyBitplane labels = new MyBitplane(image.Width, image.Height); labels.setAllTo(-1); for (int iteration = 0; iteration < 10; iteration++) { MyBitplane lenghts = new MyBitplane(image.Width, image.Height); lenghts.max(); int i = 0; foreach (Center center in centers) { for (int k = (int)Math.Round(center.X - S); k < (int)Math.Round(center.X + S); k++) { for (int l = (int)Math.Round(center.Y - S); l < (int)Math.Round(center.Y + S); l++) { if (k >= 0 && k < image.Width && l >= 0 && l < image.Height) { double L = image.Bitplane[2].GetPixel(k, l); double A = image.Bitplane[1].GetPixel(k, l); double B = image.Bitplane[0].GetPixel(k, l); double Dc = Math.Sqrt(Math.Pow(L - center.L, 2) + Math.Pow(A - center.A, 2) + Math.Pow(B - center.B, 2)); double Ds = Math.Sqrt(Math.Pow(l - center.Y, 2) + Math.Pow(k - center.X, 2)); double lenght = Math.Sqrt(Math.Pow(Dc, 2) + Math.Pow(Ds / 2, 2) * Math.Pow(m, 2)); if (lenght < lenghts.GetPixel(k, l)) { lenghts.SetPixel(k, l, lenght); labels.SetPixel(k, l, i); } } } } i++; } centers = calculateNewCenters(image, centers, labels); } image = drawAverage(image, centers, labels); image.LABtoRGB(); processedImages[0] = image.GetBitmap(); // Segmented image = drawEdges(image, centers, labels, edgeColor); processedImages[1] = image.GetBitmap(); // Segmented with Edge } return(processedImages); }