calcEdges         180 modules/cudaimgproc/src/generalized_hough.cpp     void GeneralizedHoughBase::calcEdges(InputArray _src, GpuMat& edges, GpuMat& dx, GpuMat& dy)
calcEdges         110 modules/imgproc/src/generalized_hough.cpp     void GeneralizedHoughBase::calcEdges(InputArray _src, Mat& edges, Mat& dx, Mat& dy)