[1]谢建全,谢勍,黄大足,等.一种抗JPEG压缩的大容量信息隐藏算法[J].南京理工大学学报(自然科学版),2011,(02):257-261272.
　XIE Jian-quan,XIE Qing,HUANG Da-zu,et al.High Capacity Information Hiding Algorithm Resisting to JPEG[J].Journal of Nanjing University of Science and Technology,2011,(02):257-261272.
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一种抗JPEG压缩的大容量信息隐藏算法
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《南京理工大学学报》（自然科学版）[ISSN:1005-9830/CN:32-1397/N]

卷:
期数:
2011年02期
页码:
257-261272
栏目:
出版日期:
2011-04-30

文章信息/Info

Title:
High Capacity Information Hiding Algorithm Resisting to JPEG
作者:
谢建全1; 2; 谢勍1; 黄大足1; 2; 阳春华2
1． 湖南财政经济学院信息管理系，湖南长沙410205; 2． 中南大学信息科学与工程学院，湖南长沙410083
Author(s):
XIE Jian-quan1; 2; XIE Qing2; HUANG Da-zu1; 2; YANG Chun-hua1
1.Department of Information Management,Hunan Finance and Economics College,Changsha 410205,China;2.School of Information Science and Engineering,Central South University,Changsha 410083,China
关键词:
信息隐藏;  隐藏容量;  离散余弦变换;  联合图像专家组;  压缩不变性
Keywords:
information hiding;  hiding capacity;  discrete cosine transform;  joint photographic experts group;  compression invariance properties
分类号:
TP391.41
摘要:
为了提高信息隐藏应用中隐藏算法的隐藏容量和抗压缩能力,该文提出了一种在离散余弦变换(DCT)高频系数中嵌入信息的隐藏算法。分析了联合图像专家组(JPEG)的压缩不变性。嵌入的信息强度根据子块的平滑情况自适应地确定。实验结果表明,该算法能在满足不可感知的前提下提高隐藏容量,对不超过预设品质因子的有损压缩有强鲁棒性。实验结果还表明该算法有一定的抗噪声干扰的能力。
Abstract:
In order to improve the hiding capacity and resistance to compression in a lot of information hiding algorithms,this paper proposes a hiding algorithm in which information is embedded in high frequency coefficients in discrete cosine transform(DCT).Invariance properties of joint photographic experts group(JPEG) compression are analyzed.Information hiding capability is determined adaptively by the smoothing performance of child blocks so that hiding capacity is increased under the condition of invisibility.Experimental results show that this proposed algorithm has great robustness against loss compression within default quality factors and better ability against noise.

参考文献/References:

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备注/Memo

备注/Memo:
基金项目:国家自然科学基金( 60574030) 作者简介:谢建全( 1964 － ) ，男，博士，教授，主要研究方向: 信息安全技术，E-mail: xiejianquan@ sina． com。
更新日期/Last Update: 2012-04-30