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cleya diff

Compare two rendered frames — where they differ (bounding box), by how much (per-channel max), a PSNR score, and a difference image amplified to the change it actually contains

cleya diff --a before.png --b after.png --output diff.png

Options

FlagWhat it does
--aFirst image (before)required · string
--bSecond image (after)required · string
--outputDiff visualization PNG (default diff.png next to --a)string
--thresholdIgnore differences below this level when locating the changed region (default 1)string
--overwriteOverwrite output file if it existsboolean

Category: perception — instruments — measure what was rendered (WCAG contrast, alignment, brand conformance, copy claims, pixel diff)

Generated from the toolkit

Generated from cleya capabilities, the toolkit's own manifest, so it cannot drift. Run cleya diff --help for the same information in your terminal.