bayer2Gray         60 modules/imgproc/src/demosaicing.cpp     int bayer2Gray(const T*, int, T*, int, int, int, int) const
bayer2Gray         90 modules/imgproc/src/demosaicing.cpp     int bayer2Gray(const uchar* bayer, int bayer_step, uchar* dst,
bayer2Gray        345 modules/imgproc/src/demosaicing.cpp     int bayer2Gray(const uchar* bayer, int bayer_step, uchar* dst,