基于H.264的漂移深度控制视频隐写算法

doi:10.3969/j.issn.0372-2112.2014.07.007

电子学报 ›› 2014, Vol. 42 ›› Issue (7): 1284-1290.DOI: 10.3969/j.issn.0372-2112.2014.07.007

基于H.264的漂移深度控制视频隐写算法

尤星^1,2, 谢东峰^1,2, 李宝清², 袁晓兵²

1. 中国科学院大学, 北京 100049;
2. 上海微系统与信息技术研究所, 上海 200050

收稿日期:2013-05-07 修回日期:2013-08-15 出版日期:2014-07-25
- 作者简介:
- 尤星女，1986年6月出生，江苏南京人.2008年本科毕业于东南大学吴健雄学院信息工程专业，2013年博士毕业于中国科学院大学，主要研究方向为信息隐藏及视频信号处理.E-mail：livia138567@126.com；谢东峰 男，1987年7月出生，湖北红安人.2009年毕业于武汉大学电子科技专业.现为中国科学院大学硕博连读生，从事信号处理及网络规划有关研究.E-mail：dfhsie@gmail.com
- 基金资助:
- 国防重点实验室基金 (No.9140C180101120C18076）

A Drift-Depth Control Scheme for Video Steganography in H.264 Stream

YOU Xing^1,2, XIE Dong-feng^1,2, LI Bao-qing², YUAN Xiao-bing²

1. University of Chinese Academy of Science, Beijing 100049, China;
2. Shanghai Institute of Microsystem and Information Technology, Shanghai 200050, China

Received:2013-05-07 Revised:2013-08-15 Online:2014-07-25 Published:2014-07-25
- Supported by:
- National Defense Science and Technology Foundation of State Key Laboratory (No.9140C180101120C18076)

摘要/Abstract

摘要：

在H.264/AVC视频压缩域隐写技术中，失真漂移问题极大地影响了信息嵌入的容量和稳定性.本文结合工程实际和实验，发现并指出了漂移传播的实质性规律，提出了相应的改进策略.首先，提出了漂移分级的控制策略，依据不同视频质量及隐蔽性要求自适应地调整失真漂移的传播范围，改进了视频隐写的隐蔽性和安全性；进而通过对漂移影响分层分析，挖掘出了更多的隐写位置，增加了隐写容量及选择隐写方案的灵活性.形成了一种新的扩容视频隐写算法——漂移深度控制算法.实验结果和分析表明，该算法能有效地减小嵌入偏移，隐写容量、视频质量及安全性都有较大提升.

关键词: 视频隐写, 预测漂移, 漂移深度控制, 失真补偿

Abstract:

Distortion drift is a crucial factor for the embedding capacity and stability of H.264/AVC video in compression domain.In this work,considering practical application,we have exploited the substantive regularities that result in distortion drift.Accordingly,some improvements are made to adapt the influence of distortion drift.Firstly,a drift-depth strategy is proposed to improve the embedding invisibility and security,which can control the distortion range according to requirements of video quality.Secondly,through the analysis of the influence of different drift spreading range,more appropriate steganography positions are discovered to increase the embedding capacity and flexibility.Finally,a drift-depth control scheme is presented.Both analytical and simulation results show that our proposed scheme can improve embedding capacity and security,and meanwhile minimize distortion drift.

Key words: video steganography, prediction drift, drift-depth control, distortion compensation

中图分类号:

TP391

尤星, 谢东峰, 李宝清, 等. 基于H.264的漂移深度控制视频隐写算法[J]. 电子学报, 2014, 42(7): 1284-1290.

YOU Xing, XIE Dong-feng, LI Bao-qing, et al. A Drift-Depth Control Scheme for Video Steganography in H.264 Stream[J]. Acta Electronica Sinica, 2014, 42(7): 1284-1290.

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基于H.264的漂移深度控制视频隐写算法

A Drift-Depth Control Scheme for Video Steganography in H.264 Stream

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