public static double[,] GetMask(JMask name)
{
switch (name)
{
case JMask.GAUSS:
return(Gauss);
break;
default:
return(null);
break;
}
}
public static Bitmap LowPassFilter(JMask name, Bitmap bitmap)
{
Bitmap b = (Bitmap)bitmap.Clone();
double[,] mask = MaskBox.GetMask(name);
for (int i = 1; i < bitmap.Width - 1; i++)
{
for (int j = 1; j < bitmap.Height - 1; j++)
{
double sigma = Convolution(GetArea(new Point(i, j), 3, bitmap), mask) / (Math.Pow(mask.GetLength(0), 2));
byte byt = (byte)(sigma + 0.5);
b.SetPixel(i, j, Color.FromArgb(byt, byt, byt));
}
}
return(b);
}