cvCanny           885 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(void)  cvCanny( const CvArr* image, CvArr* edges, double threshold1,
cvCanny          1026 modules/imgproc/src/hough.cpp     cvCanny( img, edges, MAX(canny_threshold/2,1), canny_threshold, 3 );
cvCanny           127 modules/imgproc/test/test_canny.cpp         cvCanny( test_array[INPUT][0], test_array[OUTPUT][0], threshold1, threshold2,
cvCanny          1640 modules/objdetect/src/haar.cpp             cvCanny( img, temp, 0, 50, 3 );