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[ "徐博文(1993-),男,宁波大学信息科学与工程学院硕士生,主要研究方向为视频图像处理、多媒体信息安全技术。" ]
[ "王晓东(1970-),男,宁波大学信息科学与工程学院教授、硕士生导师,主要研究方向为图像及视频信息处理、多媒体通信、信息安全。近年来在核心刊物和国际会议上发表论文30余篇,其中 SCI/EI 检索论文20篇,主持和参与国家科技支撑计划项目1项、国家自然科学基金项目4项、浙江省自然基金项目7项、浙江省科技计划项目1项。" ]
[ "郭磊(1993-),男,宁波大学信息科学与工程学院硕士生,主要研究方向为视频编码、视频图像处理。" ]
网络出版日期:2018-03,
纸质出版日期:2018-03-20
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徐博文, 王晓东, 郭磊, 等. 基于幻方变换的HEVC熵编码加密方案[J]. 电信科学, 2018,34(3):95-104.
Bowen XU, Xiaodong WANG, Lei GUO, et al. A video encryption in HEVC entropy coding based on magic square[J]. Telecommunications science, 2018, 34(3): 95-104.
徐博文, 王晓东, 郭磊, 等. 基于幻方变换的HEVC熵编码加密方案[J]. 电信科学, 2018,34(3):95-104. DOI: 10.11959/j.issn.1000-0801.2018015.
Bowen XU, Xiaodong WANG, Lei GUO, et al. A video encryption in HEVC entropy coding based on magic square[J]. Telecommunications science, 2018, 34(3): 95-104. DOI: 10.11959/j.issn.1000-0801.2018015.
针对多媒体信息安全问题,基于高效视频编码标准(HEVC/H.265)的熵编码模块,结合幻方变换矩阵,设计了一种具有实时性和高效性的面向高清视频流的加密算法。该算法有效利用变换系数的分布稀疏性,置乱变换块(TB)的系数组(CG),并对 CG 熵编码的语法元素进行了选择性加密。实验结果表明,本文的加密方案具有高安全性,保证格式兼容性并仅对编码比特率造成很小的影响,满足视频加密保护的需求。
In view of the multimedia information security
based on the entropy module on high efficiency video coding (HEVC/H.265)
combined with the magic square
a real time and high efficiency encryption technique for high-definition video streaming was proposed.The algorithm which had an effective use of transform coefficient sparsity enabled coefficient group (CG) of transform block (TB) scrambling
and used a selective encryption on syntax elements in CG's entropy.The experiments prove that the investigated scheme has high security
which can guarantee the standard compliance and the demand of video encryption while having a low impact on encoding-rate performance.
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