RgbToMonochrome   155 samples/gpu/opticalflow_nvidia_api.cpp     ncvAssertReturnNcvStat (CopyData<RgbToMonochrome> (image, src));
RgbToMonochrome   166 samples/gpu/opticalflow_nvidia_api.cpp     ncvAssertReturnNcvStat (CopyData<RgbToMonochrome> (image2, dst));