Zhengxin Fu, Bin Yu. On the Security of Multi-secret Visual Cryptography Scheme with Ring Shares. In Yun Q. Shi, Hyoung Joong Kim, Fernando Pérez-González, editors, Digital Forensics and Watermaking - 11th International Workshop, IWDW 2012, Shanghai, China, October 31 - November 3, 2012, Revised Selected Papers. Volume 7809 of Lecture Notes in Computer Science, pages 485-494, Springer, 2012. [doi]
Abstract is missing.