摘要
该文介绍了数字图像置乱加密技术及其在HDTV上的应用。首先详细介绍了数字图像置乱加密技术的原理和现有的置乱加密方法,然后讨论了其中具有代表性的Gray码,并给出了基于Gray码的Matlab仿真程序。最后在此基础上讨论了数字图像置乱加密技术在HDTV上的应用。
This paper introduces the digital image scrambling encryption and its HDTV application.Firstly,the principle of digital image scrambling encryption and current methods are introduced in this paper.Secondly,this paper discusses a typical method based on the Gray code and demonstrates a Matlab program based on the Gray code.Finally,the HDTV application of the scrambling encryption is discussed.
出处
《微型电脑应用》
2009年第12期44-45,52,共3页
Microcomputer Applications
关键词
置乱
Gray码变换
自同步扰码器
Encryption
Gray code transformation
Self-synchronous scrambler
