BGR_to_GRAY      1937 modules/cudaimgproc/src/color.cpp         BGR_to_GRAY,            // CV_BGR2GRAY    =6
BGR_to_GRAY        76 modules/cudaimgproc/src/cvt_color_internal.h     OPENCV_CUDA_DECLARE_CVTCOLOR_ALL(BGR_to_GRAY)
BGR_to_GRAY        76 modules/cudev/include/opencv2/cudev/expr/color.hpp CV_CUDEV_EXPR_CVTCOLOR_INST(BGR_to_GRAY)
BGR_to_GRAY        81 modules/cudev/include/opencv2/cudev/functional/color_cvt.hpp CV_CUDEV_RGB2GRAY_INST(BGR_to_GRAY, 3, 0)