数字水印技术综述

Survey of Digital Watermarking

随着多媒体技术和网络技术的广泛应用 ,对图像 ,音频 ,视频等多媒体内容的保护成为迫切需要的问题。数字水印作为版权保护的重要手段和一种新型的信息隐藏方法 ,近几年得到了迅速发展。本文对当前数字图像水印分类 ,典型算法和原理 ,常见的攻击方法 ,水印的提取、检测以及存在的问题做了系统的论述 。

With the wide application of computer and multimedia technology,copyright protection and authentication becomes more and more urgent.As a main method for copyright protection and a new information hidden method,digital watermarking has been rapidly developed in recent years.In this paper,we give an overview of digital watermarking,including: classification,algorithms,principle,usual attack ways,detection,and research topics.Finally,the further research aspects are given.