Optimum Pixel Expansions for Threshold Visual Secret Sharing Schemes. - Shyong Jian Shyu; Ming Chiang Chen (IEEE Trans. Inf. Forensics Secur., 2011)

Minimizing Pixel Expansion in Visual Cryptographic Scheme for General Access Structures. - Shyong Jian Shyu; Ming Chiang Chen (IEEE Trans. Circuits Syst. Video Technol., 2015)