tldr/pages/common/compare.md

compare

Create a comparison image to visually annotate the difference between two images. Part of ImageMagick. More information: https://imagemagick.org/script/compare.php.

• Compare two images:

compare {{path/to/image1.png}} {{path/to/image2.png}} {{path/to/diff.png}}

• Compare two images using the specified metric:

compare -verbose -metric {{PSNR}} {{path/to/image1.png}} {{path/to/image2.png}} {{path/to/diff.png}}