摘要
目前数字水印技术在各种各样领域有着广泛的应用。正因为其基础性和应用的广泛性,数字水印技术得到了研究人员和企业界的广泛关注和重视,已经成为多媒体信息安全研究领域的一个新课题。本文主要介绍了数字水印技术的基本原理、对比了现有算法,提出了一种新的基于小波变换的数字水印算法。
Now digital watermark is an important technology in computer aided design with many industrial application.Because of its basic and wide function,much of the research work is concentrated on this area. Now this technology has been a new issue of multimedia information security area.This paper describes the principal of digital watermarking technology.By comparing the existing algorithms,this paper gives a new digital watermark algorithm based on wavelet transform.
出处
《电脑知识与技术》
2006年第12X期34-34,51,共2页
Computer Knowledge and Technology
关键词
数字水印
多媒体
小波变换
digital watermarking
multimedia
wavelet transform
