摘要
数字水印是信息隐藏技术的一个重要分支,是一种全新的数字产品保护技术。它是将特定的数字信息嵌入到图像、音频、视频或软件等各种数字产品中,以达到信息安全和版权保护等目的。综述了当前数字水印技术的原理特点、典型方案和攻击方法,分类讨论了数字水印的应用与研究现状以及发展中存在的问题,提出了数字水印今后的研究发展方向。
Digital watermarking is an important branch of information hiding and is a new digital work's protection technology, which is a process of embedding a watermark into various digital works, such as images, audio, video or software etc, to acquire information security or copyright protection. The watermark could be identification data, serials number, text, image mark and so on. An overview of digital watermarking, is first given including characteristics, typical models, attacking methods etc. Then the applications, research actuality and existing problems of digital watermarking are discussed in detail. Finally some possible new directions of digital watermarking are also stated.
出处
《计算机工程与设计》
CSCD
北大核心
2005年第2期326-328,334,共4页
Computer Engineering and Design
基金
国家自然科学基金项目(60171028
60371036)。