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检索条件"主题词=QM coder"
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Efficient multimedia data encryption based on flexible qm coder
Efficient multimedia data encryption based on flexible QM co...
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6th Conference on Watermarking of Multimedia Contents
作者: Xie, D Kuo, CCJ Univ So Calif Integrated Media Syst Ctr Los Angeles CA 90089 USA
Efficient multimedia encryption algorithms are fundamental to multimedia data security because of the massive data size and the need of real-time processing. In this research, we present an efficient encryption scheme... 详细信息
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Design of integrated multimedia compression and encryption systems
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IEEE TRANSACTIONS ON MULTIMEDIA 2005年 第5期7卷 828-839页
作者: Wu, CP Kuo, CCJ Univ So Calif Dept Elect Engn Los Angeles CA 90089 USA Univ So Calif Integrated Media Syst Ctr Los Angeles CA 90089 USA
Two approaches for integrating encryption with multimedia compression systems are studied in this research, i.e., selective encryption and modified entropy coders with multiple statistical models. First, we examine th... 详细信息
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High fidelity image compression with nearly lossless arithmetic coding
High fidelity image compression with nearly lossless arithme...
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Conference on Multimedia Storage and Archiving Systems
作者: Wang, HJ Kuo, CCJ Univ. of Southern California (United States)
In this work, we investigate the nearly lossless image compression technique, which provides a better compression ratio than purely lossless compression schemes and has a better reconstructed image quality than lossy ... 详细信息
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Efficient multimedia encryption via entropy codec design
Efficient multimedia encryption via entropy codec design
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Security and Watermarking of Multimedia Contents III Conference
作者: Wu, CP Kuo, CCJ Univ So Calif Dept Elect Engn Syst Los Angeles CA 90089 USA
Efficient encryption algorithms are essential to multimedia data security, since the data size is large and real-time processing is often required. After discussing limitations of previous work on multimedia encryptio... 详细信息
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