/// <summary> /// locates matrix header within a parent matrix. /// </summary> /// <param name="wholeSize"></param> /// <param name="ofs"></param> public void LocateROI(out CvSize wholeSize, out CvPoint ofs) { if (disposed) { throw new ObjectDisposedException("GpuMat"); } GpuInvoke.GpuMat_locateROI(ptr, out wholeSize, out ofs); }