基于字符统计特征的文本信息隐藏算法研究

Research on text information hiding techniques based on statistical characteristics of characters

文章提出了一种基于内容及格式的文本信息隐藏算法,利用格式文档的特点,按照一定的算法将单词分类,进而在每个句子内以相邻单词构建小组,然后计算整个文本同类型小组内单词间隔符的某些统计特征,并以此为依据嵌入水印,达到隐藏密文信息的目的。实验结果表明:该算法具有较好的隐藏效果,具有一定的抗攻击能力,从而使其鲁棒性有所提高。

This paper presents a text messages hidden algorithm baased on content and format, using the file format, in aceordanee with certain algorithm, words can be classified, then in each sentence a small group is formed with the adjacent word, and then calculate, the entire text of word spacing of certain characteristics of the same type within the group, and then embedded watermark to hide secret informarion. Experimental re.suits showed that the algorithm has better hidden effect, having certain anti - attack capability, and thus increase robustness.