Outsmarted: Captcha security not much of a gotcha

Searching_ _ _ · Oct 31, 2011

Many Captchas don't work well at all. More precisely, the researchers invented a standard way to decode those irksome letters and numbers found in Captchas on many major Web sites, including Visa's Authorize.net, Blizzard, eBay, and Wikipedia.

Their decoding technique borrows concepts from the field of machine vision, which has developed techniques to control robots by removing noise from images and detecting shapes. The Stanford tool, called Decaptcha, uses these algorithms to clean up the image so it can be split into more readily recognized letters and numbers.
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Outsmarted: Captcha security not much of a gotcha - CNet

Hungry Man · Oct 31, 2011

Captchas are just a broken idea in general. It's saying "Oh a human can understand but a program can't" and programs are constantly updating.

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Outsmarted: Captcha security not much of a gotcha

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Outsmarted: Captcha security not much of a gotcha

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