摘要
提出一种基于汉字字型结构的文本数字水印算法。它是针对语言内容本身,不受文本格式变换的影响。基于对汉字字型结构的区分,计算文本中每个句子的特征值,并把得到的二进制特征值序列与水印信息的二进制序列作比较,然后通过改变一些特征值来嵌入水印。实验表明该算法具有嵌入水印简单、隐蔽性好,并且具有很好的鲁棒性和安全性。
In this paper,a digital text watermarking algorithm based on Chinese characters structure is proposed.Accounting to the content of text,it isn＇t influenced by the text formatting.Based on the distinguishing of the Chinese characters structures,the eigenvalue of every sentence is computed and compared those binary eigenvalue sequences with the watermark binary sequences,and then it is embed watermarking through changing some eigenvalues.Through theoretical analysis and experiments,the algorithm is easy to implement and has an effective invisibility.Furthermore,it has a better watermarking robustness and security.
出处
《计算机与现代化》
2010年第8期29-32,共4页
Computer and Modernization
基金
国家自然科学基金资助项目(10661005)
广西教育厅基金资助项目(200807LX112)
关键词
文本水印
汉字字型结构
二进制码
特征值
text watermarking
Chinese characters structure
binary code
eigenvalue
