Written by Ian Kilgore in computer vision on Fri 26 July 2013. Tags: computer math, OpenCV, CAPTCHA, LSPC,
CAPTCHAs are "a type of challenge-response test used in computing to determine whether or not the user is human." They are designed to be relatively easy for humans to solve, and difficult to automate. Some of them are very good, but the CAPTCHA system employed by reddit.com is, as of 2013-07-26, not state-of-the-art. Below, I attempt to solve this CAPTCHA automatically.