Image processing

gistfile1.txt

string path = @"C:\AC\test.png";
            Bitmap image = (Bitmap)Bitmap.FromFile(path);
            Grayscale filter = new Grayscale(0.2125, 0.7154, 0.0721);
            // apply the filter
            image = filter.Apply(image);            
            image.Save("result0.png");
            DifferenceEdgeDetector filter1 = new DifferenceEdgeDetector();
            // apply the filter
            filter1.ApplyInPlace(image);
            image.Save("result1.png");
            Dilatation filter2 = new Dilatation();
            // apply the filter
            filter2.Apply(image);
            image.Save("result2.png");
            Threshold filter3 = new Threshold(150);
            // apply the filter
            filter3.ApplyInPlace(image);
            image.Save("result3.png");
            ConnectedComponentsLabeling filter4 = new ConnectedComponentsLabeling();
            // apply the filter
            Bitmap newImage = filter4.Apply(image);
            // check objects count
            int objectCount = filter4.ObjectCount;
            MessageBox.Show(objectCount.ToString());
            image.Save("result4.png");