Transparent encryption techniques for H.264/AVC and H.264/SVC compressed video

被引：15
|
作者：
Magli, Enrico [1 ]
Grangetto, Marco [2 ]
Olmo, Gabriella [1 ]
机构：
[1] Politecn Torino, Dipartimento Elettron, I-10129 Turin, Italy
[2] Univ Turin, Dipartimento Informat, I-10149 Turin, Italy
来源：
SIGNAL PROCESSING | 2011年 / 91卷 / 05期
关键词：
H.264/AVC; H.264/SVC; Conditional access; Transparent encryption; Video coding; Drift control; SELECTIVE ENCRYPTION; DIGITAL VIDEO; ALGORITHMS; STANDARD; SCHEME; DESIGN;
D O I：
10.1016/j.sigpro.2010.10.012
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Transparent encryption of video content requires to provide a video preview that is left in plaintext, while the enhancement information is encrypted. In this paper we propose three algorithms that provide transparent encryption. The first two ones are based on the idea of generating controlled drift in such a way as to obtain the desired quality level, while the third algorithm employs scalable video coding. We provide experimental results on several video sequences, as well as a security analysis, showing that the proposed algorithms provide an effective framework to perform transparent encryption. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：1103 / 1114
页数：12
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