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The top documents tagged [text based captchas]
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text based captchas
PPT on CAPTCHA
225 views
captcha.ppt
14.288 views
563.10.3 captcha
1.671 views
563.10.3 CAPTCHA Presented by: Sari Louis SPAM Group: Marc Gagnon, Sari Louis, Steve White University of Illinois Spring 2006.
220 views
Seminar on Captcha
252 views