![Alan Turing / CAPTCHA / Human-based computation / Reverse Turing test / Segmentation / Transaction authentication number / Optical character recognition / Turing test / Computer security / Artificial intelligence / Computing / Security Alan Turing / CAPTCHA / Human-based computation / Reverse Turing test / Segmentation / Transaction authentication number / Optical character recognition / Turing test / Computer security / Artificial intelligence / Computing / Security](https://www.pdfsearch.io/img/abe6aaef54071c191efd5c157f3dba37.jpg)
| Document Date: 2011-12-19 14:24:27 Open Document File Size: 1,31 MBShare Result on Facebook
City Chicago / / Company Baidu / Amazon / eBay / Decaptcha / Captcha.net / Google / Facebook / Convolutional Neural Networks / Megaupload NIH Recaptcha Reddit Skyrock Slashdot Wikipedia / Scheme Authorize Baidu Blizzard Captcha.net / Recaptcha.net / Battle.net / Microsoft / CNN / / Country United States / / Currency USD / / / Event Product Recall / Product Issues / / Facility Skyrock pipeline Original Pre-processing Segmentation Post-segmentation Figure / Authorize pipeline Pre-processing Original Figure / pipeline Original Pre-processing Segmentation Figure / Baidu pipeline Original Pre-processing Segmentation Post-segmentation Figure / Slashdot pipeline Original Pre-processing Post-segmentation Segmentation Figure / / IndustryTerm vision algorithm / space displacement neural network / machine learning algorithms / post-processing steps / iterative algorithm / energy / neural network / distance algorithm / vision algorithms / generic evaluation tool / de-noising algorithm / post-processing / certain image algorithms / attack algorithms / pre-processing / web services / / MarketIndex set 500 / / Organization National Institute of Health / Stanford University / / Person John C. Mitchell / Matthieu Martin / Elie onTwitter / / Position Protection General / representative / / Product Gibbs / Real World Captchas Evaluation Summary Table / Authorize Baidu Blizzard Captcha.net CNN Digg eBay Google Megaupload NIH Recaptcha Reddit Skyrock Slashdot Wikipedia / Gibbs Decaptcha / / ProvinceOrState Illinois / / SportsLeague Stanford University / / Technology aka Gibbs algorithm / machine learning algorithms / distance algorithm / de-noising algorithms / clustering algorithm / machine learning / vision algorithms / sliding windows algorithm / de-noising algorithm / OCR / certain image algorithms / neural network / line-finding algorithms / Gibbs algorithm / iterative algorithm / KNN algorithm / vision algorithm / attack algorithms / / URL http /
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