AForge.Imaging.Filters.Closing.ApplyInPlace C# (CSharp) Method

        public void ApplyInPlace( UnmanagedImage image )
        {
            dilatation.ApplyInPlace( image );
            errosion.ApplyInPlace( image );
        }

        private Bitmap processImage(Bitmap img)
        {
            //Generate closing structural element
            short[,] structEl = new short[13, 13];

            for (int i = 0; i < 13; i++)
                for (int j = 0; j < 13; j++)
                    if ((i - 6) * (i - 6) + (j - 6) * (j - 6) < 64)
                        structEl[i, j] = 1;
                    else
                        structEl[i, j] = -1;

            //Initialize filters
            HSLFiltering borderFind = new HSLFiltering();
            Closing borderClose = new Closing(structEl);
            Invert invert = new Invert();
            Grayscale grayFilter = new Grayscale(0, 0, 1.0);
            Threshold bwFilter = new Threshold(1);

            PointedColorFloodFill blackout = new PointedColorFloodFill();
            blackout.Tolerance = Color.FromArgb(0, 0, 0);
            blackout.FillColor = Color.FromArgb(0, 0, 0);

            ExtractBiggestBlob getgame = new ExtractBiggestBlob();
            getgame.OriginalImage = new Bitmap(img);

            GrayscaleToRGB colorFilter = new GrayscaleToRGB();

            //Color determined with ColorProbe.
            borderFind.Hue        = new IntRange(190, 200);
            borderFind.Saturation = new Range(0.6f, 0.8f);
            borderFind.Luminance  = new Range(0.6f, 1.0f);

            borderFind.ApplyInPlace(img);
            borderClose.ApplyInPlace(img);
            img = grayFilter.Apply(img);
            bwFilter.ApplyInPlace(img);
            invert.ApplyInPlace(img);
            img = colorFilter.Apply(img);

            blackout.StartingPoint = new AForge.IntPoint(0, 0);
            blackout.ApplyInPlace(img);

            img = getgame.Apply(img);

            int tilesx = img.Width / 56;
            int tilesy = img.Height / 56;
            int offsetx = 56 * (int)(tilesx - img.Width / 56.0);
            int offsety = 56 * (int)(tilesy - img.Height / 56.0);

            if ((Math.Abs(offsetx) > 11) || (Math.Abs(offsety) > 11))
                    throw new GameNotFoundException();

            List<IntPoint> corners = new List<IntPoint>();
            Dictionary<IntPoint, Bitmap> tiles = new Dictionary<IntPoint, Bitmap>();
            SimpleQuadrilateralTransformation tileXtract = new SimpleQuadrilateralTransformation();

            for (int j = 0; j < tilesy; j++)
                for (int i = 0; i < tilesx; i++)
                {
                    corners.Add(new IntPoint(offsetx + i * 56,           offsety + j * 56          ));
                    corners.Add(new IntPoint(offsetx + i * 56,           offsety + (j + 1) * 56 - 1));
                    corners.Add(new IntPoint(offsetx + (i + 1) * 56 - 1, offsety + (j + 1) * 56 - 1));
                    corners.Add(new IntPoint(offsetx + (i + 1) * 56 - 1, offsety + j * 56          ));

                    tileXtract.SourceQuadrilateral = corners;

                    tiles.Add(new IntPoint(i, j), tileXtract.Apply(img));

                    corners.Clear();
                }

            img = (Bitmap)Properties.Resources.ResourceManager.GetObject("cb");

            /*Graphics g = Graphics.FromImage(img);
            Pen bluePen = new Pen(Color.Blue, 2);

            for (int i = 0, n = blobs.Length; i < n; i++)
            {
                List<IntPoint> edgePoints = blobCounter.GetBlobsEdgePoints(blobs[i]);
                if (edgePoints.Count > 1)
                {
                    List<IntPoint> corners = PointsCloud.FindQuadrilateralCorners(edgePoints);
                    g.DrawPolygon(bluePen, ToPointsArray(corners));
                }
            }

            bluePen.Dispose();
            g.Dispose();
            */

            return img;
        }