internal static extern IntPtr gpuTemplateMatchingCreate(int srcType, CvEnum.TM_TYPE method, ref Size blockSize);
 /// <summary>
 /// Create a GpuMatchTemplateBuf
 /// </summary>
 /// <param name="method">Specifies the way the template must be compared with image regions </param>
 public GpuTemplateMatching(CvEnum.TM_TYPE method, Size blockSize)
 {
     _method    = method;
     _blockSize = blockSize;
 }