An audio CAPTCHA to distinguish humans from computers
Haichang, Gao and Liu, Honggang and Yao, Dan and Liu, Xiyang and Aickelin, Uwe (2010) An audio CAPTCHA to distinguish humans from computers. In: Third International Symposium on Electronic Commerce and Security, ISECS2010: Guangzhou, China, 29-31 July 2010. IEEE Computer Society, Los Alamos, Calif., pp. 265-269.
Official URL: http://isecs2010.gdcc.edu.cn/index.htm
CAPTCHAs are employed as a security measure to differentiate human users from bots. A new sound-based
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