private Image<Gray, Byte> RGBFilter(Image<Bgr,Byte> input, Gray Rmin, Gray Rmax, Gray Gmin, Gray Gmax, Gray Bmin, Gray Bmax, int dialate)
                           {
                     Image<Gray, Byte> result = new Image<Gray, byte>(input.Width, input.Height);
                     Image<Gray, byte>[] chanels = input.Split();
                     chanels[0] = chanels[0].InRange(Rmin, Rmax);
                     chanels[1] = chanels[1].InRange(Gmin, Gmax);
                     chanels[2] = chanels[2].InRange(Bmin, Bmax);
                     result = chanels[0].And(chanels[1]);
                     result = result.And(chanels[2]);
                     result = result.Dilate(dialate);
                     return result;
                           }