public void Compute(ref Image<Gray, byte> imageSource, int i, int j)
{
gray = imageSource.Data[j, i, 0];
x0 = i; y0 = j;
image = imageSource;
blob = new Blob();
addToBlob(i, j);
for (int k = 0; k < blob.Count; k++) {
pt = blob.Data[k];
if (pt.X > 0 && pt.X < imageSource.Width - 1 && pt.Y > 0 && pt.Y < imageSource.Height - 1) {
x = pt.X - 1; y = pt.Y - 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X; y = pt.Y - 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X + 1; y = pt.Y - 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X - 1; y = pt.Y;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X + 1; y = pt.Y;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X - 1; y = pt.Y + 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X; y = pt.Y + 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X + 1; y = pt.Y + 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
}
}
blob.Compute();
Blobs.Add(blob);
}
public void Compute(ref Image<Gray, byte> imageSource, byte grayToDetect)
{
gray = grayToDetect;
image = imageSource.Clone();
Blobs = new List<Blob>();
BlobMaxArea = new Blob();
for (int j = imageSource.Height - 1; j >= 0; j--)
for (int i = imageSource.Width - 1; i >= 0; i--) {
if (image.Data[j, i, 0] == gray) {
blob = new Blob();
addToBlob(i, j);
for (int k = 0; k < blob.Count; k++) {
pt = blob.Data[k];
if (pt.X > 0 && pt.X < imageSource.Width - 1 && pt.Y > 0 && pt.Y < imageSource.Height - 1) {
x = pt.X - 1; y = pt.Y - 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X; y = pt.Y - 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X + 1; y = pt.Y - 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X - 1; y = pt.Y;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X + 1; y = pt.Y;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X - 1; y = pt.Y + 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X; y = pt.Y + 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
x = pt.X + 1; y = pt.Y + 1;
if (image.Data[y, x, 0] == gray) addToBlob(x, y);
}
}
blob.Compute();
Blobs.Add(blob);
if (blob.Area > BlobMaxArea.Area) BlobMaxArea = blob;
}
}
}