http://www.metafilter.com/tags/captcha Posts tagged with 'captcha' at MetaFilter. Thu, 08 Nov 2007 20:07:36 -0800 Thu, 08 Nov 2007 20:07:36 -0800 en-us http://blogs.law.harvard.edu/tech/rss 60 http://www.metafilter.com/66354/Recaptcha Every day tens of millions of "captchas" are solved by humans, using undreds of thousands of man-hours of work. But what if those person hours could be used for something beneficial? <a href="http://recaptcha.net/">They can be</a>. <small>(you may have noticed recaptcha being used on <a href="http://metatalk.metafilter.com/15229/Whats-up-with-the-type-these-words-login#470869">some notable sites</a>)</small> tag:metafilter.com,2007:site.66354 Thu, 08 Nov 2007 20:07:36 -0800 captcha gutenberg ocr delmoi http://www.metafilter.com/60019/A%2DCAPTCHA%2Dfor%2DInternet%2DAccess A <a href="http://www.defectiveyeti.com/iacaptchas/">CAPTCHA </a>to weed out certain potential users of the internet. tag:metafilter.com,2007:site.60019 Wed, 04 Apr 2007 20:22:54 -0800 captcha grammar human spelling exogenous http://www.metafilter.com/39187/I%2Dfor%2Done%2Dwelcome%2Dour%2Dself%2Daware%2Dspam%2Dbot%2Doverlords <a href="http://www.cs.berkeley.edu/~mori/gimpy/gimpy.html">breaking CAPTCHAs.</a> In this case the programmers were able to use software they had already designed to analyze images of people. tag:metafilter.com,2005:site.39187 Mon, 31 Jan 2005 22:57:30 -0800 ai captcha machine_vision delmoi http://www.metafilter.com/22216/Captcha <a href="http://www.captcha.net/http://www.captcha.net/">CAPTCHA</a> is the Completely Automated Public Turing Test to Tell Computers and Humans Apart. The test promises to keep online polls honest, block search engine bots, and end spam as we know it. The program generates and grades tests that (1) most humans can pass and (2) current computer programs can't pass. For example, humans can read distorted text but current computer programs can't. To see if you're human or not, take a Captcha test yourself <a href="http://www.captcha.net/cgi-bin/gimpy">here</a>. To read more check out this <a href="http://www.nytimes.com/2002/12/10/science/physical/10COMP.html">nytimes</a> article. tag:metafilter.com,2002:site.22216 Tue, 10 Dec 2002 13:17:51 -0800 automation captcha josephtate