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Distributed Proofreaders was the first project to volunteer its time to decipher scanned text that could not be read by OCR.It works with Project Gutenberg to digitize public domain material and uses methods quite different from re CAPTCHA.Google released a new version of re CAPTCHA just hours before their talk, making major changes to both the audio and visual versions of their service.
It wasn’t difficult to solve, and it seemed to work when I used it on my own websites." Munsell goes on to state, after encountering a series of unintelligible images that despite refreshing "Again, and again, and again.If enough users were to correctly type the control word, but incorrectly type the second word which OCR had failed to recognize, then the digital version of documents could end up containing the incorrect word.The identification performed by each OCR program is given a value of 0.5 points, and each interpretation by a human is given a full point.re CAPTCHA is a CAPTCHA-like system designed to establish that a computer user is human (normally in order to protect websites from bots) and, at the same time, assist in the digitization of books.re CAPTCHA was originally developed by Luis von Ahn, Ben Maurer, Colin Mc Millen, David Abraham and Manuel Blum at Carnegie Mellon University's main Pittsburgh campus. and from the classic version of the re CAPTCHA plugin.