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"Captcha as Graphical Passwords - A New Security Primitive Based on Hard AI ..."
Bin B. Zhu et al. (2014)
- Bin B. Zhu, Jeff Yan, Guanbo Bao, Maowei Yang, Ning Xu:
Captcha as Graphical Passwords - A New Security Primitive Based on Hard AI Problems. IEEE Trans. Inf. Forensics Secur. 9(6): 891-904 (2014)
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