Chin-Chen Chang, Jun-Chou Chuang, Pei-Yu Lin. Sharing a Secret Two-Tone Image in Two Gray-Level Images. In 11th International Conference on Parallel and Distributed Systems (ICPADS 2005), 20-22 July 2005, Fuduoka, Japan, 2 Volumes. pages 300-304, IEEE Computer Society, 2005. [doi]
Abstract is missing.