#!/usr/bin/env bash
set -euo pipefail
cd /tmp/lead-33038-r1/capture
for scene in F01-light F01-dark F06-light; do
 row=${scene%-*}; theme=${scene##*-}
 convert "$row-before-$theme.png" "$row-after-$theme.png" -compose difference -composite -evaluate multiply 255 "$row-$theme-Diff0.png"
 convert "$row-before-$theme.png" "$row-after-$theme.png" -compose difference -composite -colorspace gray -threshold 3.1372549% "$row-$theme-DiffT8.png"
done