SeeSay and HearSay CAPTCHA for mobile interaction

Sajad Shirali-Shahreza, Gerald Penn, Ravin Balakrishnan, Yashar Ganjali. SeeSay and HearSay CAPTCHA for mobile interaction. In Wendy E. Mackay, Stephen A. Brewster, Susanne Bødker, editors, 2013 ACM SIGCHI Conference on Human Factors in Computing Systems, CHI '13, Paris, France, April 27 - May 2, 2013. pages 2147-2156, ACM, 2013. [doi]

Abstract

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