public void BinarizationOperation(int threshold)
{
outBitmap = new WriteableBitmap(originalBitmap);
outBitmap.Lock();
byte MAX_COLOR = 0xFF;
byte[] LUT = new byte[MAX_COLOR + 1];
for (int i = threshold; i < MAX_COLOR + 1; i++)
{
LUT[i] = MAX_COLOR;
}
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
RGBPixel pixel = pixelMatrix[x, y];
pixel.ToGrayscale2();
pixel.ChangeColors(LUT[pixel.Red]);
DrawPixel(pixel);
}
}
UpdateImage();
}
public int[] GetGrayscaleHistogram()
{
byte MAX_COLOR = 0xFF;
int[] h = new int[MAX_COLOR + 1];
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
RGBPixel pixel = pixelMatrix[x, y];
pixel.ToGrayscale2();
h[pixel.Red]++;
}
}
return(h);
}
public void GrayscaleOperation2()
{
outBitmap = new WriteableBitmap(originalBitmap);
outBitmap.Lock();
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
RGBPixel pixel = pixelMatrix[x, y];
pixel.ToGrayscale2();
DrawPixel(pixel);
}
}
UpdateImage();
UpdatePixelMatrix();
}
