/// <summary>
 /// Obtain an OclMat from the keypoints array
 /// </summary>
 /// <param name="src">The keypoints array</param>
 /// <param name="dst">An OclMat that represent the keypoints</param>
 public void UploadKeypoints(VectorOfKeyPoint src, OclMat <float> dst)
 {
     OclInvoke.oclSURFUploadKeypoints(_ptr, src, dst);
 }