cvFilter2D        131 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(void) cvFilter2D( const CvArr* src, CvArr* dst, const CvMat* kernel,
cvFilter2D        425 modules/imgproc/test/test_filter.cpp     cvFilter2D( test_array[inplace ? OUTPUT : INPUT][0],