Chin-Chen Chang, Tzu-Chuen Lu, Yi-Hsuan Fan. A Bit-Level Visual Secret Sharing Scheme for Multi-Secret Images Using Rotation and Reversion Operatations. In Jeng-Shyang Pan, Hsiang-Cheh Huang, Lakhmi C. Jain, Wai-Chi Fang, editors, Intelligent Multimedia Data Hiding: New Directions. Volume 58 of Studies in Computational Intelligence, pages 83-101, Springer, 2007. [doi]
Abstract is missing.