gridCountNonZero  365 modules/cudev/include/opencv2/cudev/grid/reduce.hpp __host__ void gridCountNonZero(const SrcPtr& src, GpuMat_<ResType>& dst, const MaskPtr& mask, Stream& stream = Stream::Null())
gridCountNonZero  371 modules/cudev/include/opencv2/cudev/grid/reduce.hpp __host__ void gridCountNonZero(const SrcPtr& src, GpuMat_<ResType>& dst, Stream& stream = Stream::Null())