| 一种图像置乱算法及在数字电视中的应用研究 |
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| 引用本文： | 崔基哲,张波,Jong Weon KIM.一种图像置乱算法及在数字电视中的应用研究[J].电视技术,2011,35(20):24-27. |
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| 作者姓名： | 崔基哲 张波 Jong Weon KIM |
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| 作者单位： | 1. 延边大学经济管理学院信息管理与信息系统,吉林延吉,133002
2. 韩国祥明大学著作权保护专业,韩国首尔,110743 |
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| 基金项目： | 2009年度MCST&韩国著作权委员会技术开发项目 |
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| 摘 要： | 阐述了数字电视加解密原理,并介绍了图像置乱算法及其在数字电视行业中的应用.中国的数字电视行业已经迈入高清时代,但收费节目的管理、卫星传播与有线传播的协调等问题上,还需要成熟的解决方案.提出了基于离散余弦变换的图像置乱算法,可适用于收费电视节目的安全管理.通过本算法可以简化原数字电视加解密系统的两端间的交互流程,增加CA...
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| 关 键 词： | 图像加密 置乱算法 数字电视 条件接收系统 离散余弦变换 |
Image Scrambling Algorithm and Its Application in Digital TV |
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| CUI Jizhe,ZHANG Bo,Jong Weon KIM.Image Scrambling Algorithm and Its Application in Digital TV[J].Tv Engineering,2011,35(20):24-27. |
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| Authors: | CUI Jizhe ZHANG Bo Jong Weon KIM |
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| Affiliation: | CUI Jizhe1,ZHANG Bo1,Jong Weon KIM2(1.College of Economic and Management,Yanbian University,Jilin Yanji 133002,China,2.Dept.of Copyright Protection,Sangmyung University,Seoul 110743,Korea) |
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| Abstract: | In this paper,the theory of encryption and decryption about digital television is elaborated,then the image scrambling algorithm and the application in digital television industry are introduced.In China,the digital TV has stepped into the high definition age,while there also need the mature solution in the management of fee programmers,as well as the balance of satellite transmission and cable transmission.An image scrambling algorithm based on the Discrete Cosine Transform(DCT) is put forward.It can be us... |
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| Keywords: | image encryption image scrambling digital TV CAS discrete cosine transform |
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