基于单词间字符统计特征的文本数字水印

Text Watermarking Based on Statistical Characteristics of Inter-word Characters

由于文本文档的特殊性,文本数字水印技术主要集中在基于格式方面。该文提出了一种同时基于单词间字符内容及格式之统计特征的文本数字水印算法,并讨论和分析了这一算法较传统的完全基于格式的文本数字水印的优点。

Digital watermarking is an efficient copyright protection technique of digital products. For the speciality of text documents, text watermarking methods are mostly based on format of them. This paper proposes a text watermarking algorithm that is based on statistical characteristics of inter-word characters＇ content and format, and analyses several advantages over the conventional text watermarking algorithms absolutely based on format of text documents.