protected void improveRestoredImage()
{
byte[, ,] originalPixels = original.GetPixelArray();
byte[, ,] pixels = restored.GetPixelArray();
for (int i = 0; i < nRows; i++)
{
for (int j = 0; j < nCols; j++)
{
if (knownPixels[i, j])
{
pixels[i, j, 0] = originalPixels[i, j, 0];
pixels[i, j, 1] = originalPixels[i, j, 0];
pixels[i, j, 2] = originalPixels[i, j, 0];
pixels[i, j, 3] = 255;
}
else
{
double neighborSum = 0;
int neighborCount = 0;
getNeighbors(pixels, i, j, out neighborSum, out neighborCount);
double val = neighborSum / neighborCount;
pixels[i, j, 0] = (byte)Math.Round(((1 - blendRatio) * pixels[i, j, 0] + blendRatio * val));
pixels[i, j, 1] = pixels[i, j, 0];
pixels[i, j, 2] = pixels[i, j, 0];
pixels[i, j, 3] = 255;
}
}
}
restored.SetPixelArray(pixels, nRows, nCols);
}
protected void getOriginalGrayscaleImage()
{
original = new GImage("images/mona2.jpg");
byte[, ,] pixels = original.GetPixelArray();
nRows = original.PixelHeight();
nCols = original.PixelWidth();
byte[, ,] gPixelArray = new byte[nRows, nCols, 4];
for (int i = 0; i < nRows; i++)
{
for (int j = 0; j < nCols; j++)
{
int grayValue = 0;
for (int k = 0; k < 3; k++)
{
grayValue += pixels[i, j, k];
}
grayValue /= 3;
for (int k = 0; k < 3; k++)
{
gPixelArray[i, j, k] = (byte)grayValue;
}
gPixelArray[i, j, 3] = 255;
}
}
original.SetPixelArray(gPixelArray, nRows, nCols);
}
protected void updateDamagedImage()
{
byte[, ,] pixels = original.GetPixelArray();
for (int i = 0; i < nRows; i++)
{
for (int j = 0; j < nCols; j++)
{
if (myRandom.NextDouble() < damageFraction)
{
knownPixels[i, j] = false;
pixels[i, j, 0] = 0;
pixels[i, j, 1] = 0;
pixels[i, j, 2] = 255;
pixels[i, j, 3] = 255;
}
else
{
knownPixels[i, j] = true;
}
}
}
damaged.SetPixelArray(pixels, nRows, nCols);
}