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Fastest way of finding max/min in each row

I need to find a maximum intensity value in each row of a 32FC1 image. Is there a faster way than iterating each row separately using parallel_for (cv::ParallelLoopBody)? May I use GPU (via UMat) for that?

Fastest way of finding max/min in each row

I need to find a maximum intensity value in each row of a 640x480 32FC1 image. Is there a faster way than iterating each row separately using parallel_for (cv::ParallelLoopBody)? May I use GPU (via UMat) for that?