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Browsing publications by Ahmad Salah El Ahmad.

Newcastle AuthorsTitleYearFull text
Ahmad Salah El Ahmad
Dr Jeff Yan
Emeritus Professor Lindsay Marshall
The robustness of a new CAPTCHA2010
Dr Jeff Yan
Ahmad Salah El Ahmad
Usability of CAPTCHAs or usability issues in CAPTCHA design2008
Dr Jeff Yan
Ahmad Salah El Ahmad
Breaking Visual CAPTCHAs with Naïve Pattern Recognition Algorithms2007