getGray           430 modules/features2d/src/mser.cpp         comptr->gray_level = ptr->getGray(ptr0, imgptr0, mask);
getGray           435 modules/features2d/src/mser.cpp             int curr_gray = ptr->getGray(ptr0, imgptr0, mask);
getGray           446 modules/features2d/src/mser.cpp                     int nbr_gray = ptr_nbr->getGray(ptr0, imgptr0, mask);