Ching-Nung Yang, Tse-Shih Chen. Visual Secret Sharing Scheme: Improving the Contrast of a Recovered Image Via Different Pixel Expansions. In Aurélio C. Campilho, Mohamed S. Kamel, editors, Image Analysis and Recognition, Third International Conference, ICIAR 2006, Póvoa de Varzim, Portugal, September 18-20, 2006, Proceedings, Part I. Volume 4141 of Lecture Notes in Computer Science, pages 468-479, Springer, 2006. [doi]
Abstract is missing.