基于文本重要内容的鲁棒水印算法  

Robust Text Watermarking Based on Significant Components

作　　者：姜传贤[1] 陈孝威[1] 李智[1] 

机构地区：[1]贵州大学计算机科学与信息学院,贵阳550025

出　　处：《自动化学报》2010年第9期1250-1256,共7页Acta Automatica Sinica

基　　金：贵州省自然科学基金(QKH20052109;QKH20102257)资助~~

摘　　要：提出一种基于文本重要内容的鲁棒水印算法,对文本的特征进行分析,确定文本的重要内容.根据水印序列和同义词替换评价模型,将水印不可感知地嵌入到文本的重要内容中,提高水印的鲁棒性.投票原则的使用又进一步提高水印的鲁棒性并降低了误检率.理论和实验分析表明,采用文中算法嵌入的水印具有较好的鲁棒性、安全性和不可见性.A robust text-watermarking scheme based on significant components is presented.The text significant components are acquired by analyzing text feature.According to watermarking sequence and the evaluation model of synonymy substitution,the watermark is imperceptibly embedded into the significant components of the text,which improves the robustness of watermarking.Furthermore,majority voting is used to improve the robustness of watermarking and reduce the probability of false positives.Theoretical analysis and experimental results have indicated that the proposed scheme can improve the robustness,security,and invisibility of watermarking.

关 键 词：文本重要内容 文本水印 同义词 主题句 鲁棒水印 

分 类 号：TP309.7[自动化与计算机技术—计算机系统结构]