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image differentiation tool written in Rust
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Second pass at optimising absolute img diff routine
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README.md

diffimg-rs

A Rust implementation of diffimg. Also see diffimg-go.

Measures the per-pixel difference of two images with identical dimensions as a ratio, or outputs a difference image showing where the two images differ. Currently supports jpg and png.

Usage

To get a ratio:

diffimg image1 image2

To generate a diff image (diff_image should have jpg or png extension):

diffimg image1 image2 -f diff_image
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