1. A digital image copyright protection scheme based on visual cryptography;Hwang;Tamkang J. Sci. Eng.,2000
2. An ownership protection scheme based on visual cryptography and the law of large numbers;Hou;Int. J. Innov. Comput. Inf. Control,2012
3. An image intellectual property protection scheme for gray-level images using visual secret sharing strategy;Chang;Pattern Recognit. Lett.,2002
4. Copyright protection scheme for digital images using visual cryptography and sampling methods;Hsu;Opt. Eng.,2005
5. Lossless data embedding—new paradigm;Fridrich;EURASIP J. Appl. Signal Process.,2002