The following publications are possibly variants of this publication:
- A Cheat-Prevention Visual Secret Sharing Scheme with Minimum Pixel ExpansionShenchuan Liu, Masaaki Fujiyoshi, Hitoshi Kiya. iwdw 2014: 362-375 [doi]
- Meaningful Share Generation for (2, 2)-Multiple Visual Secret Sharing Scheme Without Pixel ExpansionChao-Liang Liu, Wang-Jui Tsai, Ting Yi Chang, Chun-Cheng Peng, Peng-Shiang Wong. cj, 58(7):1598-1606, 2015. [doi]
- A Novel (2, 2) Visual Secret Sharing without the Pixel ExpansionXin Liu, Shen Wang, Weizhe Zhang, Xiamu Niu. iih-msp 2015: 172-175 [doi]