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VIDEO: Start-up claims Captcha crack
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The following comments relate to this news article:

VIDEO: Start-up claims Captcha crack

article published on 2 November, 2013

A U.S. start-up claims it has developed software that can accurately answer Captcha prompts 90 percent of the time. Captchas are a security measure that almost every Internet user has encountered: a graphic or sound that give a human a word to enter in order to fight spam bots. The software is modelled on how the human brain functions to recognise patterns according to its developer, Vicarious. ... [ read the full article ]

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Bozobub
Senior Member
_ 		2. November 2013 @ 22:58 _ Link to this message    Send private message to this user   
The problem with Luis Von Ahn's statement is that CAPTCHAs are already difficult for many humans to process. Make it much more difficult and they'll simply be useless.
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xtago
Senior Member
_ 		3. November 2013 @ 10:33 _ Link to this message    Send private message to this user   
The human brain doesn't do anything to process the image it's all pre made images etc

If you read the image file you could probably work out the image but really there's little point you could just alter the image to be a sound or both.

Some captures are broken I'd say as you can enter the correct thing and it'll fail it's not that the image is hard to read the program doesn't work properly at times.
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Bozobub
Senior Member
_ 		3. November 2013 @ 11:58 _ Link to this message    Send private message to this user   
Er... Your brain does nothing BUT process any image (or data); that's pretty much its entire job. I don't see what your point is there.

It's been pretty conclusively shown that humans, once literate, read more by the shape of a given word, not by the individual letters (except, of course, for unfamiliar words). A sufficiently-distorted CAPTCHA, however, can not only interfere with that, it can make even discerning individual letters quite difficult. They have the "refresh" button for a reason, you know.

My point is that they're already at a borderline; if it gets much harder to parse, a significant percentage of people won't be able to deal with it.
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