Erkam Uzun, Simon Pak Ho Chung, Irfan Essa, Wenke Lee. rtCaptcha: A Real-Time CAPTCHA Based Liveness Detection System. In 25th Annual Network and Distributed System Security Symposium, NDSS 2018, San Diego, California, USA, February 18-21, 2018. The Internet Society, 2018. [doi]
Abstract is missing.