ScanImageAndReduceC 25 samples/cpp/tutorial_code/core/how_to_scan_images/how_to_scan_images.cpp Mat& ScanImageAndReduceC(Mat& I, const uchar* table); ScanImageAndReduceC 74 samples/cpp/tutorial_code/core/how_to_scan_images/how_to_scan_images.cpp J = ScanImageAndReduceC(clone_i, table);