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H.264/AVC标准中基于CABAC的数字视频加密研究 被引量：10

Study of CABAC-based digital video encryption in the H.264/AVC standard
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摘要 分析和总结了用于新一代视频编码标准H.264/AVC加密的候选域,在此基础上提出了一种新的基于CABAC(基于上下文的自适应二进制算术编码)的数字视频加密方案,并给出了2种安全加密操作:RCME(规则编码模式加密)和BCME(旁路编码模式加密)实现了残差系数码字、运动矢量差码字和帧内预测模式的加密保护。实验结果表明,该方案具有较好的安全性、编码效率和误码顽健性。 Several candidate domains were analyzed and summarized to apply encryption to the latest video coding standard H.264/AVC, and a novel digital video encryption scheme based on CABAC （context-based adaptive binary arithmetic coding） was proposed. During the CABAC encoding, two kinds of secure encryption operations including RCME （regular coding mode encryption） and BCME （bypass coding mode encryption） were utilized, in order to encrypt residual coefficient codeword, motion vector difference codeword and intra-prediction mode, respectively. The experimental results show that the scheme has significant advantages on security, coding efficiency, and errors robustness.
作者 包先雨 蒋建国 袁炜 李援
机构地区 合肥工业大学计算机与信息学院
出处 《通信学报》 EI CSCD 北大核心 2007年第6期24-29,共6页 Journal on Communications
基金 国家自然科学基金资助项目(60474035) 安徽省"十五"二期科技攻关重大计划基金资助项目(040020382)~~
关键词 视频加密 混沌加密 保密性 密钥同步 熵编码 CABAC video encryption chaos encryption confidentiality key synchronization entropy coding CABAC
分类号 TP309 [自动化与计算机技术—计算机系统结构] TP37 [自动化与计算机技术—计算机系统结构]
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参考文献14

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二级参考文献36

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共引文献17

同被引文献125

  • 1廉士国,孙金生,王执铨.视频加密算法及其发展现状[J].信息与控制,2004,33(5):560-566. 被引量：14
  • 2包先雨,蒋建国,李援.一种适合于H·264实时视频传输的新型加密方案[J].电子学报,2006,34(11):2099-2102. 被引量：6
  • 3刘志,徐剑峰,陆宇,张兆杨.基于H.264压缩域的实时运动对象分割算法[J].中国图象图形学报,2006,11(11):1614-1618. 被引量：7
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引证文献10

二级引证文献30

通信学报
2007年 第6期

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