Emgu.CV.CvInvoke.cvCalcOpticalFlowHS C# (CSharp) Метод

        public static extern void cvCalcOpticalFlowHS(
              IntPtr prev,
              IntPtr curr,
              bool usePrevious,
              IntPtr velx,
              IntPtr vely,
              double lambda,
              MCvTermCriteria criteria);

 /// <summary>
 /// Computes flow for every pixel of the first input image using Horn &amp; Schunck algorithm
 /// </summary>
 /// <param name="prev">First image, 8-bit, single-channel</param>
 /// <param name="curr">Second image, 8-bit, single-channel</param>
 /// <param name="usePrevious">Uses previous (input) velocity field</param>
 /// <param name="velx">Horizontal component of the optical flow of the same size as input images, 32-bit floating-point, single-channel</param>
 /// <param name="vely">Vertical component of the optical flow of the same size as input images, 32-bit floating-point, single-channel</param>
 /// <param name="lambda">Lagrangian multiplier</param>
 /// <param name="criteria">Criteria of termination of velocity computing</param>
 public static void HS(
     Image <Gray, Byte> prev,
     Image <Gray, Byte> curr,
     bool usePrevious,
     Image <Gray, Single> velx,
     Image <Gray, Single> vely,
     double lambda,
     MCvTermCriteria criteria)
 {
     CvInvoke.cvCalcOpticalFlowHS(prev.Ptr, curr.Ptr, usePrevious, velx.Ptr, vely.Ptr, lambda, criteria);
 }