Urszula Ogiela, Makoto Takizawa, Lidia Ogiela. Security of Visual Captcha for Authentication Procedures. In Leonard Barolli, Tomoya Enokido, Makoto Takizawa, editors, Advances in Network-Based Information Systems, The 20th International Conference on Network-Based Information Systems, NBiS 2017, Ryerson University, Toronto, ON, Canada, August 24-26, 2017. Volume 7 of Lecture Notes on Data Engineering and Communications Technologies, pages 148-152, Springer, 2017. [doi]
Abstract is missing.