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"A secure annuli CAPTCHA system."
Jie Zhang et al. (2023)
- Jie Zhang, Min-Yen Tsai, Kotcharat Kitchat, Min-Te Sun, Kazuya Sakai, Wei-Shinn Ku, Thattapon Surasak, Tipajin Thaipisutikul:
A secure annuli CAPTCHA system. Comput. Secur. 125: 103025 (2023)
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