数字水印的研究进展和应用

The research developments and applications of digital watermarking

随着社会的网络化、信息化的发展 ,对数字产品的版权保护迫在眉睫。数字水印是近年来出现的数字产品版权保护技术 ,可携带有版权信息和认证信息 ,保护数字产品的合法拷贝和传播 ,是当前国际学术界的研究热点。本文全面分析总结了数字水印的各种方案 ,讨论其种种应用 ,介绍了数字水印的研究现状 ,提出了数字水印下一步的发展方向 ,对数字水印技术的研究有着重要的指导意义。

With the development of computer network and information,it is urgent to protect the digital product's copyrightDigital watermarking is the technique,which protects copyrights of digital products and appeared two years agoIt contains the copyright information and authentication information,and protects legal copy and distribution of digital products,which has been the hotspot of international academiaIn this paper,we fully analyze and summarize all kinds of schemes of digital watermarking,and discuss its various applicationsWe also introduce the current state of this technique and propose several directions of development of digital watermarking at next stage