摘要
作为一种信息安全技术 ,数字水印在数字媒体版权保护方面的作用引起了人们极大的关注 .文中综述了数字图像水印技术的基本原理、数字水印的特点、水印系统结构、主要参数及关键技术 ,并通过对几种典型的水印嵌入方法的着重介绍 ,分析了数字图像水印制作技术的发展现状、关键问题 。
As a kind of technology for information secure, digital watermark has attracted a lot of attention. In this paper basic principles,properties, systematic structure,main parameters and key technologies are stated syntheticly. Several typical methods of digital watermark system are introduced, present situation of development and key problems are analysed, its research direction is discussed. Finally it is pointed out that this technology has broad application prospect.
出处
《武汉理工大学学报（交通科学与工程版）》
北大核心
2003年第5期711-714,共4页
Journal of Wuhan University of Technology（Transportation Science & Engineering）
基金
国家民委重点科研项目资助 (批准号 :MZY0 2 0 0 4)
关键词
数字图像
版权保护
数字水印
小波变换
digital image
copyright protection
digital watermark
wavelet transform
