A PCA-based watermarking scheme for tamper-proof of web pages.

Qijun Zhao Hongtao Lu A PCA-based watermarking scheme for tamper-proof of web pages. 1321-1323 2005 38 Pattern Recognition 8 http://dx.doi.org/10.1016/j.patcog.2004.12.012 db/journals/pr/pr38.html#ZhaoL05