public static Bitmap GaussianGap(Bitmap Orig, double Sigma1, double Sigma2)
{
Bitmap result = (Bitmap)Orig.Clone();
Kernels.kerneldata sig1 = new Kernels.kerneldata(Kernels.GenerateGaussian, 3, Sigma1);
Kernels.kerneldata sig2 = new Kernels.kerneldata(Kernels.GenerateGaussian, 3, Sigma2);
int size = sig1.weights.GetLength(0);
double[,] ggFilter = new double[size, size];
for (int row = 0; row < size; row++)
{
for (int col = 0; col < size; col++)
{
ggFilter[row, col] = (sig1.weights[row, col] - sig2.weights[row, col]) * size * size;
}
}
double sum = 0;
foreach (var num in ggFilter)
{
sum += num;
}
Convolver(result, ggFilter);
return(result);
}
public static Bitmap Gradient(Bitmap origImageBMP)
{
Bitmap Dx = (Bitmap)origImageBMP.Clone();
Bitmap Dy = (Bitmap)origImageBMP.Clone();
Bitmap result = new Bitmap(Dx.Width, Dx.Height);
Kernels kernel = new Kernels();
Kernels.kerneldata kDx = (Kernels.kerneldata)kernel.KernelsAvail["First Derivative x"];
Kernels.kerneldata kDy = (Kernels.kerneldata)kernel.KernelsAvail["First Derivative y"];
ImageProcessing.Convolver(Dx, kDx.weights);
ImageProcessing.Convolver(Dy, kDy.weights);
for (int x = 0; x < Dx.Width; x++)
{
for (int y = 0; y < Dx.Height; y++)
{
Color b1color = Dx.GetPixel(x, y);
Color b2color = Dy.GetPixel(x, y);
int blue = (int)Math.Ceiling(Math.Sqrt(Math.Pow(b1color.B, 2) + Math.Pow(b2color.B, 2)));
int green = (int)Math.Ceiling(Math.Sqrt(Math.Pow(b1color.G, 2) + Math.Pow(b2color.G, 2)));
int red = (int)Math.Ceiling(Math.Sqrt(Math.Pow(b1color.R, 2) + Math.Pow(b2color.R, 2)));;
blue = (int)Math.Min(Math.Max(blue, 0), 255);
green = (int)Math.Min(Math.Max(green, 0), 255);
red = (int)Math.Min(Math.Max(red, 0), 255);
result.SetPixel(x, y, Color.FromArgb(red, green, blue));
}
}
return(result);
}
private void cmbKernels_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
string SelItem = cmbKernels.SelectedItem.ToString();
kernelselect = (Kernels.kerneldata)kernel.KernelsAvail[SelItem];
if (kernelselect == null)
{
MessageBox.Show("Invalid Selection");
return;
}
SetupKernel();
}
private void HPConvert_Click(object sender, RoutedEventArgs e)
{
kernelselect = kernelselect.ConvertToHP();
SetupKernel();
}