magick-compare
compares two images and outputs their differences
TLDR
Compare two images
$ magick compare [image1.png] [image2.png] [diff.png]
Calculate difference metric$ magick compare -metric AE [image1.png] [image2.png] null:
Use specific comparison method$ magick compare -metric RMSE [image1.png] [image2.png] null:
Highlight differences in red$ magick compare -highlight-color red [image1.png] [image2.png] [diff.png]
SYNOPSIS
magick compare [options] image1 image2 [diff]
DESCRIPTION
magick compare compares two images and outputs their differences. Part of ImageMagick. Produces a difference image and/or calculates numerical metrics. Useful for regression testing and quality assurance.
PARAMETERS
-metric type
Comparison metric (AE, RMSE, PSNR, MAE).-highlight-color color
Color for highlighting differences.-lowlight-color color
Color for similar areas.-fuzz percent
Color tolerance for comparison.
SEE ALSO
magick(1), magick-convert(1)