getMSSIM_CUDA 20 samples/cpp/tutorial_code/gpu/gpu-basics-similarity/gpu-basics-similarity.cpp Scalar getMSSIM_CUDA( const Mat& I1, const Mat& I2); getMSSIM_CUDA 144 samples/cpp/tutorial_code/gpu/gpu-basics-similarity/gpu-basics-similarity.cpp x = getMSSIM_CUDA(I1,I2);