cvGetQuadrangleSubPix  401 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(void)  cvGetQuadrangleSubPix( const CvArr* src, CvArr* dst,
cvGetQuadrangleSubPix 1304 modules/imgproc/test/test_imgwarp.cpp     cvGetQuadrangleSubPix( test_array[INPUT][0], test_array[INPUT_OUTPUT][0], &mtx );