Several Algorithms of Digital Watermark Based on Text Document
Zhang Xue-feng · Computer and Modernization · 2009
Digital watermark technology is a kind of new digital concealing technology.With the help of digital watermark,it can protect property right and maintain the data of products by embedding a certain number of digital information in digital media.But text document is difficult to hide information(i.e.watermark) for its relative little redundancy.Several simple and effective algorithms of digital watermark based on text document are presented in this paper.