摘要
作为保护文本文件版权的有效方法,文本数字水印已逐渐成为研究的热点。本文系统地介绍了文本数字水印的相关概念和特点,探讨了文本数字水印的具体实现方案,文本水印中用到的各种技术方法和水印的攻击与评价。文章最后分析了文本数字水印目前存在的问题以及今后的发展方向。
The numerical watermark of text originally has already become the heat of the research to order gradually as the valid method that protects the text file copyright,This paper introduced a text the related concept and characteristics of the originally numerical watermark systematically and inquiried into a text originally numerical watermark of concrete carry out a project.The attack and the evaluation of various technique method and watermark that the text this watermark is convenient to arrive,Analyzed a text originally numerical watermark finally to exist currently of the problem and the development direction of aftertime.
出处
《科技广场》
2006年第5期21-23,共3页
Science Mosaic
关键词
数字水印
特征编码
白噪声
Numrical Watermark
Characteristic Code
Flat Noise