16 lines
682 B
Text
16 lines
682 B
Text
Captcha::reCAPTCHA::Mailhide - A Perl implementation of
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the reCAPTCHA Mailhide API
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reCAPTCHA is a hybrid mechanical turk and captcha that allows visitors who
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complete the captcha to assist in the digitization of books.
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reCAPTCHA improves the process of digitizing books by sending words that
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cannot be read by computers to the Web in the form of CAPTCHAs for
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humans to decipher. More specifically, each word that cannot be read
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correctly by OCR is placed on an image and used as a CAPTCHA. This is
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possible because most OCR programs alert you when a word cannot be read
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correctly.
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http://recaptcha.net/learnmore.html
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WWW: http://search.cpan.org/dist/Captcha-reCAPTCHA-Mailhide/
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