marcan

#!/usr/bin/python3
# Solution to the challenge at https://gist.github.com/ehmo/7f515ac6461c1c4d3e5a74f12e6eb5ea
# Sample solution: https://twitter.com/marcan42/status/1428933147660492800
#
# Given an input base image, computes two derivative images that have different
# perceptual hashes, yet differ by only one pixel.
#
# Usage: hash_bisector.py <input.png> <output_a.png> <output_b.png>
#
# Licensed under the terms of the STRONGEST PUBLIC LICENSE, Draft 1: