摘要
数字水印技术是应用于开放性网络上的多媒体信息隐藏技术,为解决版权保护和内容完整性认证、来源认证、篡改认证、网上发行、用户跟踪等一系列问题提供了一个崭新的技术研究方向,因此在数字产品的知识产权保护、隐蔽标识、篡改提示、隐蔽通信和防伪等方面具有十分看好的应用前景。本文论述了数字水印的定义及使用现状,归纳了其特性及分类,通过总结数字水印的算法,结合实际,对数字水印在版权保护中的作用进行了探讨。
Digital watermark is to open networks multimedia information hiding technology,copyright protection for the integrity of the source and content,and authentication and certification issued,on-line users to trace a series of questions provided an entirely new technology research direction,so in the digital product for the protection of intellectual property rights,should identify and prompt and hidden terms of communications and security are very bullish on application prospect.this paper discusses the definition of the digital watermark and the use of the present and summarized its particular characteristics and classification by a summary of the digital watermark,the algorithm,the actual figures,the watermarks in the copyright protection of the role of the discussions.
出处
《网络安全技术与应用》
2010年第8期20-22,共3页
Network Security Technology & Application
关键词
数字水印
信息隐藏
版权保护
Digital watermark
information hiding
copyright protection
