CLI tool for comparing images

CLI tool for comparing images

Installation

Install this tool using pip:

Image diff

To generate an image showing the difference between two images:

image-diff first.jpg second.jpg -o diff.png

Count differing pixels

To count the number of pixels that have changed, use image-diff count:

image-diff first.jpg second.jpg

This will output a number followed by a newline.

Compile an image

The image-diff compile command exists mainly to make this tool easier to test.

It can be used to compile an image from a JSON definition – for example: