Quote:
Originally Posted by ultim
Instead of trying to find alternatives, I'd be happy if we found the bug.
Looking at the encodings, to me this looks like a clipping (overflow/underflow) bug, both at high and low pixel values. If that is true, once the binary filter causing this is isolated, the fix should be simple.
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Prefilter=4 means KNLMeansCL and the belonging part of SMDegrain. The strange thing is that it happens only with AVS+