RESTRICTED H.264/AVC VIDEO CODING FOR PRIVACY REGION SCRAMBLING

被引：15
|
作者：
Tong, Lingling [1 ]
Dai, Feng [1 ]
Zhang, Yongdong [1 ]
Li, Jintao [1 ]
机构：
[1] Chinese Acad Sci, Inst Comp Technol, Multimedia Comp Grp, Beijing, Peoples R China
来源：
2010 IEEE INTERNATIONAL CONFERENCE ON IMAGE PROCESSING | 2010年
关键词：
Privacy protection; drift error prevention; video scrambling; surveillance; H.264/AVC; ENCRYPTION;
D O I：
10.1109/ICIP.2010.5653444
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：
Scrambling is widely used to protect privacy in surveillance video. However, as a critical issue in privacy protected video scrambling, drift error has not been adequately studied. In this paper, we focus on drift error prevention for different elements scrambling in privacy protected H.264/AVC video, which is the prevailing coding standard. A restricted coding scheme is proposed to prevent drift error in Transform Coefficient (TC), Intra Prediction Mode (IPM) and Motion Vector (MV) scrambling, respectively. Experiments show that the proposed scheme effectively prevents drift error with coding efficiency dramatically improved.
引用
收藏
页码：2089 / 2092
页数：4
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