数字水印技术及其发展方向

Digital Watermarking Technology and Developmental Trend

互联网络的发展对传统的版权保护手段提出了挑战，数字水印技术在最近几年引起人们的极大关注，已提出了多种方案。本文介绍了数字水印的主要方法及应用，分析了其研究方向与应用前景。

With the development of internet the tradition copyright protection has faced new challenge. Digital watermarking technology has attracted a lot attention and many schemes are presented in recent years. The paper introduces the applications of digital watermarking techniques and methods, finally analysess the research and application trends.