【摘要】 数字水印作为数字媒体版权保护的有效办法,近年来引起了人们极大的兴趣和注意。介绍了数字水印技术的基本概念、数字水印的特点、水印系统模型及典型算法,分析了数字水印的发展现状和关键技术,讨论了其研究方向与应用前景。更多还原

【Abstract】 As an effect method to provide copyright protection for digital media,di gital watermark has drawn extensive at-tention recently.This paper introd uces basic concept,characteristic s,procession models and typical methods of digital water-mark system,analyses present situation of development and key technolo gy ,discusses its research directio n and application prospect.更多还原