Yueyao Chen, Qianjun Liu, Tianyu Du, Yuan Chen, Shouling Ji. Symmetric Frame Cracking: A Powerful Dynamic Textual CAPTCHAs Cracking Policy. In Zhe Liu 0001, Moti Yung, editors, Information Security and Cryptology - 15th International Conference, Inscrypt 2019, Nanjing, China, December 6-8, 2019, Revised Selected Papers. Volume 12020 of Lecture Notes in Computer Science, pages 157-172, Springer, 2019. [doi]
Abstract is missing.