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ICMCS
2006
IEEE
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ICMCS 2006
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A Captcha Based on the Human Visual Systems Masking Characteristics
14 years 5 months ago
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www.cecs.uci.edu
In this paper, a CAPTCHA is presented based on the masking characteristics of the Human Visual System (HVS). Knowing that noise can be masked by high activity regions and showing ...
Rony Ferzli, Rida A. Bazzi, Lina J. Karam
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