public const int r = 4; // specifies the size of the filter
public void Run(ImageProcessor ip)
{
int M = ip.Width;
int N = ip.Height;
var copy = ip.Duplicate();
// Vector to hold the pixels from (2r+1)x(2r+1) neighborhood
int[] A = new int[(2 * r + 1) * (2 * r + 1)];
// Index of center vector element
int n = 2 * (r * r + r);
for (int u = r; u <= M - r - 2; u++)
{
for (int v = r; v <= M - r - 2; v++)
{
// Fill the pixel vector A for filter position (u,v)
int k = 0;
for (int i = -r; i <= r; i++)
{
for (int j = -r; j <= r; j++)
{
A[k] = copy.GetPixel(u + i, v + j);
k++;
}
}
// Sort vector A and take the center element A[n]
Arrays.Sort(A);
ip.PutPixel(u, v, A[n]);
}
}
}
public void Run(ImageProcessor ip)
{
int M = ip.Width;
int N = ip.Height;
var copy = ip.Duplicate();
for (int u = 1; u <= M - 1; u++)
{
for (int v = 1; v <= N - 2; v++)
{
int sum = 0;
for (int i = -1; i <= 1; i++)
{
for (int j = -1; j <= 1; j++)
{
int p = copy.GetPixel(u + 1, v + j);
sum += p;
}
}
int q = (int)(sum / 9.0);
ip.PutPixel(u, v, q);
}
}
}
