private ImageFeature <float>[] SURF(Bitmap M)
{
Image <Gray, byte> image = new Image <Gray, byte>(M);
SURFDetector sift = new SURFDetector(1.0f, true);
VectorOfKeyPoint keys = new VectorOfKeyPoint();
MKeyPoint[] key = sift.DetectKeyPoints(image, null);
ImageFeature <float>[] res = sift.ComputeDescriptors(image, null, key);
return(res);
}
