// grad(i) = diliation(i)-erosion(i)
public override Bitmap ProcessImage(Bitmap sourceImage, BackgroundWorker worker)
{
Bitmap resultImage = new Bitmap(sourceImage.Width, sourceImage.Height);
Bitmap dil = diliation.ProcessImage(sourceImage, worker);
Bitmap eros = erosion.ProcessImage(sourceImage, worker);
for (int i = 0; i < sourceImage.Width; i++)
{
this.ReportProgress(i, sourceImage.Width, worker);
if (worker.CancellationPending)
{
return(null);
}
for (int j = 0; j < sourceImage.Height; j++)
{
Color dilPixel = dil.GetPixel(i, j);
Color erosPixel = eros.GetPixel(i, j);
int r = this.Clamp(dilPixel.R - erosPixel.R, 0, 255);
int g = this.Clamp(dilPixel.G - erosPixel.G, 0, 255);
int b = this.Clamp(dilPixel.B - erosPixel.B, 0, 255);
resultImage.SetPixel(i, j, Color.FromArgb(r, g, b));
}
}
return(resultImage);
}
public override Bitmap ProcessImage(Bitmap sourceImage, BackgroundWorker worker)
{
return(diliation.ProcessImage(erosion.ProcessImage(sourceImage, worker), worker));
}