高效±<i>k</i>自适应图像隐写术

陈嘉勇; 张卫明; 韩涛; 祝跃飞; 郭东辉

doi:10.3724/SP.J.1004.2013.01594

高效±k自适应图像隐写术

doi: 10.3724/SP.J.1004.2013.01594

1.
厦门大学信息科学与技术学院厦门 361005;
2.
解放军信息工程大学信息工程学院郑州 450002;
3.
中国科学技术大学信息科学技术学院合肥 230026

基金项目:

国家自然科学基金(60803155, 61170234, 60970141, 60902102, 61274133), 郑州市科技创新团队项目(10CXTD150), 中国科学院战略性先导专项课题(XDA06030601), 国家重大科技专项(2010ZX03004-003)资助

详细信息

作者简介:
张卫明解放军信息工程大学信息工程学院副教授.主要研究方向为信息隐藏和密码学.E-mail:weimingzhang@shu.edu.cn

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- 被引次数: 0
出版历程
- 收稿日期: 2012-01-12
- 修回日期: 2012-08-02
- 刊出日期: 2013-10-20

An Efficient Adaptive Image Steganographic Method for ± k Embedding

1.
School of Information Science and Technology, Xiamen University, Xiamen 361005;
2.
School of Information Engineering, PLA Information Engineering University, Zhengzhou 450002;
3.
School of Information Science and Technology, University of Science and Technology of China, Hefei 230026

Funds:

Supported by National Natural Science Foundation of China (60803155, 61170234, 60970141, 60902102, 61274133), Science and Technology Innovation Team of Zhengzhou (10CXTD150), Strategic and Piloted Project of Chinese Academy of Sciences (XDA06030601), National Science and Technology Major Project of China (2010ZX03004-003)

摘要

摘要: 自适应隐写可避免修改载体的敏感区域, 有效提高隐写术的安全性. 总结分析了现有自适应隐写的边信息同步方法. 通过推广单调纹理函数思想, 构造一种基于自由度的纹理保序函数, 实现了自适应隐写边信息的快速同步. 结合湿纸编码和多层嵌入思想, 提出自适应 ± 1和± 2 隐写算法. 新算法既保证通信双方能快速同步边信息, 同时具有很高的抗检测性能. 理论分析和实验结果均表明了算法的有效性.
- 信息隐藏 /
- 隐写术 /
- 自适应隐写 /
- 湿纸编码 /
- 边信息
Abstract: Adaptive steganography which avoids changing the sensitive area in carrier, can effectively improve the security of steganography. Firstly, the schemes of side information synchronization in adaptive steganography are summarized and analyzed. Secondly, using the freedom degree which is extented by the previous one-way texture functions, a new order-preserving texture function as side information of adaptive steganography is constructed. Finally, by combining wet paper codes and the method of multi-layered embedding, ± 1 algorithm and ± 2 algorithm are proposed. The proposed scheme can efficiently enhance the security of adaptive steganography while maintaining fast side information synchronization between communicators. Theoretical analysis and experimental results show the efficiency of the proposed scheme.
- Information hiding /
- steganography /
- adaptive steganography /
- wet paper coding /
- side information

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参考文献(19)

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