public void ApplyErosionFilter(BinaryMask mask, RGBPixel[,] neighbours)
{
int size = mask.Size;
byte minRed = oldRed, minGreen = oldGreen, minBlue = oldBlue;
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
if (mask.Matrix[i, j])
{
RGBPixel neighbour = neighbours[i, j];
if (neighbour.oldRed < minRed)
{
minRed = neighbour.oldRed;
}
if (neighbour.oldGreen < minGreen)
{
minGreen = neighbour.oldGreen;
}
if (neighbour.oldBlue < minBlue)
{
minBlue = neighbour.oldBlue;
}
}
}
}
Red = minRed;
Green = minGreen;
Blue = minBlue;
}
public Tuple <BinaryMask, BinaryMask> SeparateMask()
{
BinaryMask whiteMask = new BinaryMask(Size);
BinaryMask blackMask = new BinaryMask(Size);
for (int i = 0; i < Size; i++)
{
for (int j = 0; j < Size; j++)
{
if (Matrix[i, j] == 1)
{
whiteMask.Matrix[i, j] = true;
blackMask.Matrix[i, j] = false;
}
else if (Matrix[i, j] == -1)
{
whiteMask.Matrix[i, j] = false;
blackMask.Matrix[i, j] = true;
}
else
{
whiteMask.Matrix[i, j] = false;
blackMask.Matrix[i, j] = false;
}
}
}
return(new Tuple <BinaryMask, BinaryMask>(whiteMask, blackMask));
}
public void ApplyDilationFilter(BinaryMask mask, RGBPixel[,] neighbours)
{
int size = mask.Size;
byte maxRed = oldRed, maxGreen = oldGreen, maxBlue = oldBlue;
for (int i = 0; i < size; i++)
{
for (int j = 0; j < size; j++)
{
if (mask.Matrix[i, j])
{
RGBPixel neighbour = neighbours[i, j];
if (neighbour.Red > maxRed)
{
maxRed = neighbour.oldRed;
}
if (neighbour.Green > maxGreen)
{
maxGreen = neighbour.oldGreen;
}
if (neighbour.Blue > maxBlue)
{
maxBlue = neighbour.oldBlue;
}
}
}
}
Red = maxRed;
Green = maxGreen;
Blue = maxBlue;
}
public void ClosingOperation(BinaryMask mask)
{
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];
RGBPixel[,] neighbours = GetNeighbours(pixel, mask.Size);
pixel.ApplyDilationFilter(mask, neighbours);
}
}
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
pixelMatrix[x, y].Update();
}
}
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
RGBPixel pixel = pixelMatrix[x, y];
RGBPixel[,] neighbours = GetNeighbours(pixel, mask.Size);
pixel.ApplyErosionFilter(mask, neighbours);
DrawPixel(pixel);
}
}
UpdateImage();
UpdatePixelMatrix();
}
