简洁的JPEG图像隐写DCT系数选择方案和安全性增强策略

王康; 刘琲贝; 刘烁炜; 胡永健

doi:10.11959/j.issn.2096-109x.2016.00094

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简洁的JPEG图像隐写DCT系数选择方案和安全性增强策略

学术论文 | 更新时间：2024-06-03

- 简洁的JPEG图像隐写DCT系数选择方案和安全性增强策略
- Succinct scheme of DCT coefficient selection towards enhanced security of JPEG image steganography
- 网络与信息安全学报 2016年2卷第9期页码：57-64
- 作者机构：
- 作者简介：
  
  [ "王康（1992-），男，湖南常德人，华南理工大学硕士生，主要研究方向为多媒体信息隐藏。" ]
  [ "刘琲贝（1980-），女，广东广州人，博士，华南理工大学讲师，主要研究方向为多媒体信息隐藏、多媒体信息取证。" ]
  [ "刘烁炜（1991-），男，湖南郴州人，华南理工大学博士生，主要研究方向为多媒体信息隐藏。" ]
  [ "胡永健（1962-），男，湖北武汉人，博士，华南理工大学教授，主要研究方向为多媒体信息隐藏、多媒体信息取证、图像处理、模式识别。" ]
- 基金信息：
  
  ：广东省应用型科技研发专项基金资助项目;The Research and Development Fund for Applied Science of Guangdong Province(2015B010130003);广州市科技基金资助项目;The Science and Technology Program of Guangzhou(201510010275);广州市人体数据科学重点实验室基金资助项目;Guangzhou Key Laboratory of Human Data Science(201605030011)
- DOI：10.11959/j.issn.2096-109x.2016.00094
  中图分类号： TP309.7
- 网络首发：2016-09，
  
  纸质出版：2016-09-15
- 稿件说明：
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王康, 刘琲贝, 刘烁炜, 等. 简洁的JPEG图像隐写DCT系数选择方案和安全性增强策略[J]. 网络与信息安全学报, 2016,2(9):57-64.

Kang WANG, Bei-bei LIU, Shuo-wei LIU, et al. Succinct scheme of DCT coefficient selection towards enhanced security of JPEG image steganography[J]. Chinese Journal of Network and Information Security, 2016, 2(9): 57-64.
王康, 刘琲贝, 刘烁炜, 等. 简洁的JPEG图像隐写DCT系数选择方案和安全性增强策略[J]. 网络与信息安全学报, 2016,2(9):57-64. DOI： 10.11959/j.issn.2096-109x.2016.00094.

Kang WANG, Bei-bei LIU, Shuo-wei LIU, et al. Succinct scheme of DCT coefficient selection towards enhanced security of JPEG image steganography[J]. Chinese Journal of Network and Information Security, 2016, 2(9): 57-64. DOI： 10.11959/j.issn.2096-109x.2016.00094.

摘要

根据图像JPEG压缩的特点，提出了一种简洁有效的DCT系数选择方案，不仅充分利用了非零交流DCT系数，而且还用到部分零值DCT系数；此外，通过改变系数的嵌入顺序，优先考虑低频系数，改善了算法的安全性。实验表明，将2种典型的空域隐写算法（EPES和APPM）应用到所提出的算法框架，获得了比3种经典压缩域隐写算法（JSteg、F5和nsF5）和新近提出的基于STC框架的DCT域隐写算法（LPD）更大的嵌入容量及更好的安全性。所提出的 DCT 系数选择和嵌入框架可有效提升嵌入容量和抗隐写分析的性能，且所提方案具有通用性，可应用于不同隐写算法。

Abstract

Based on the characteristics of JPEG compression

a succinct and effective scheme of DCT coefficients selection was proposed

in which not only the non-zero AC coefficients but also part of the zero coefficients were exploited.Moreover

the scheme embedded messages in a different order than the conventional practice and gave priority to the low frequency coefficients so as to achieve enhanced security.The embedding manners of two typical steganographic algorithms(EPES and APPM)were extended from the spatial to the compression domain and the proposed scheme was applied to them for coefficient selection and embedding.Experimental results showed that larger capacity and better security were achieved compare to three classical steganographic algorithms(JSteg

F5 and nsF5)and one current steganographic algorithm based on STC framework(LPD).The proposed coefficient se-lection and embedding scheme can effectively improved the performance of some classic DCT domain steg-anographic methods in terms of capacity and security.The scheme was general and could be easily applied to dif-ferent steganography methods.

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Keywords

references

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United States Department of Agriculture . Natural resources con-servation service photo gallery [EB/OL ] . http://photogallery.nrcs.usda.gov http://photogallery.nrcs.usda.gov .

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