/// <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);
}