New CAPTCHA Replacement

Posted by Keith McMillan

April 30, 2008 | Leave a Comment

IMAGINATION is a new candidate for replacing CAPTCHA, the recently fallen test for trying to determine if a computer or a person is on the other end of a connection. You’re probably familiar with CAPTCHA as that weird image composed of letters and numbers that you’re asked to read and type in to a box in order to do some operation on the web.

CAPTCHA was cracked some months ago (as I’ve previously mentioned) and one by one, the various implementations have fallen prey to the bots sending you spam.

The IMAGINATION program (click to try it out!) asks you to do two things: recognize images among a tiled set, clicking on the center of any one you choose, and then annotate an image with the correct description from a list of captions.

It will be interesting to see if this stands up to the hackers now that CAPTCHA is all but dead.

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