There was also this HN submission: https://gist.github.com/lelandbatey/8677901 (...

		mmastrac on Dec 7, 2014 \| parent \| context \| favorite \| on: ImageMagick, four point perspective distortion in ... There was also this HN submission: https://gist.github.com/lelandbatey/8677901 (comments here: https://news.ycombinator.com/item?id=7520216)