论文信息 - A VoIP anti-Spam System based on Reverse Turing Test - 字舞流文

A VoIP anti-Spam System based on Reverse Turing Test

[1] Zicheng Liu,et al. ARTiFACIAL: automated reverse turing test using FACIAL features , 2003, MULTIMEDIA '03.

[2] Kris Popat,et al. Human Interactive Proofs and Document Image Analysis , 2002, Document Analysis Systems.

[3] Dongwook Shin,et al. Progressive multi gray-leveling: a voice spam protection algorithm , 2006, IEEE Network.

[4] tim converse. CAPTCHA Generation as a Web Service , 2005, HIP.

[5] John Langford,et al. CAPTCHA: Using Hard AI Problems for Security , 2003, EUROCRYPT.