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首页> 外文会议>2014 IEEE Computing, Communications and IT Applications Conference >A video sensing oriented speed adjustable fast multimedia encryption scheme and embedded system
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A video sensing oriented speed adjustable fast multimedia encryption scheme and embedded system

机译：面向视频传感的速度可调快速多媒体加密方案及嵌入式系统

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摘要

In embedded video sensing system, real-time video data is high-volume. Meanwhile, the computation and energy resources are very limited, which restricts the usage of complex encryption process on video data. Therefore the confidentiality of video data under limited resources needs to be addressed. Firstly, dissymmetry with its trend between data volume and limited resources has been studied, while a strategy of resources optimization is given. Secondly, an all-purpose speed adjustable fast encryption scheme with its improved version is proposed. Thirdly, a DSP and ARM based embedded secure video sensing system is designed, and the fast encryption scheme and the improved version have been implemented in secure video data storage and transmission of system respectively. Experimental analyses show that the encryption schemes can meet the system's real-time requirements under the tight resource constraints.
机译：在嵌入式视频传感系统中，实时视频数据量很大。同时，计算和能量资源非常有限，这限制了对视频数据使用复杂的加密过程。因此，需要解决在有限资源下视频数据的机密性。首先，研究了数据量与有限资源之间的不对称性趋势，并提出了资源优化策略。其次，提出了一种通用速度可调的快速加密方案及其改进版本。第三，设计了基于DSP和ARM的嵌入式安全视频传感系统，分别在安全视频数据存储和系统传输中实现了快速加密方案和改进版本。实验分析表明，在资源紧张的情况下，该加密方案可以满足系统的实时性要求。

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