getPSNR_CUDA_optimized 30 samples/cpp/tutorial_code/gpu/gpu-basics-similarity/gpu-basics-similarity.cpp double getPSNR_CUDA_optimized(const Mat& I1, const Mat& I2, BufferPSNR& b); getPSNR_CUDA_optimized 111 samples/cpp/tutorial_code/gpu/gpu-basics-similarity/gpu-basics-similarity.cpp result = getPSNR_CUDA_optimized(I1, I2, bufferPSNR); getPSNR_CUDA_optimized 118 samples/cpp/tutorial_code/gpu/gpu-basics-similarity/gpu-basics-similarity.cpp result = getPSNR_CUDA_optimized(I1, I2, bufferPSNR);