fine compare

Questions and postings pertaining to the development of ImageMagick, feature enhancements, and ImageMagick internals. ImageMagick source code and algorithms are discussed here. Usage questions which are too arcane for the normal user list should also be posted here.
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anthony
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Post by anthony »

Some of the metrics already subtract the images average difference from the comparision as part of that metrics encoding.

Specifically... PSNR

With this metric, solid white and solid black images are identical!!!!

See my (extremely rough) notes in IM Examples
http://www.cit.gu.edu.au/~anthony/graph ... e/#compare
Anthony Thyssen -- Webmaster for ImageMagick Example Pages
https://imagemagick.org/Usage/
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