AniCAP: an animated 3d CAPTCHA scheme based on motion parallax
CANS'11 Proceedings of the 10th international conference on Cryptology and Network Security
Breaking an animated CAPTCHA scheme
ACNS'12 Proceedings of the 10th international conference on Applied Cryptography and Network Security
Security and usability challenges of moving-object CAPTCHAs: decoding codewords in motion
Security'12 Proceedings of the 21st USENIX conference on Security symposium
Protection through Intelligent and Multimedia Captchas
International Journal of Adaptive, Resilient and Autonomic Systems
A survey and analysis of current CAPTCHA approaches
Journal of Web Engineering
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Nowadays, malicious computer programs have attempted to attack websites, greatly affecting their availability and security. CAPTCHA (Completely Automated Public Turing test to tell Computers and Human Apart) mechanism is an effectual method in solving this problem. The prevailing implementation of CAPTCHA is 2D still image verification code, however, the developing artificial intelligence and image recognition technologies make it possible for computer programs to pass through CAPTCHA’s test. In this paper, we propose a new CAPTCHA implementation, in the form of 3D animation and based on the weak point of computer vision. This new method could prevent attacks based on both image recognition and moving objects recognition in videos. Coupled with easy use for humans, it proves to be a kind of novel, safe and practical CAPTCHA.