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Resampling detection aided steganalysis of heterogeneous bitmap images

[+] Author Affiliations
Xiaodan Hou

Zhengzhou Information Science and Technology Institute,Zhengzhou, Henan 450002, China

Tao Zhang

Zhengzhou Information Science and Technology Institute,Zhengzhou, Henan 450002, China

Gang Xiong

Zhengzhou Information Science and Technology Institute,Zhengzhou, Henan 450002, China

Zhibo Lu

Zhengzhou Information Science and Technology Institute,Zhengzhou, Henan 450002, China

Kai Xie

Zhengzhou Information Science and Technology Institute,Zhengzhou, Henan 450002, China

J. Electron. Imaging. 22(1), 013037 (Apr 01, 2013). doi:10.1117/1.JEI.22.1.013037
History: Received November 6, 2012; Revised February 5, 2013; Accepted March 8, 2013
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Abstract.  In this study, a practical forensics aided steganalyzer (FA-steganalyzer) for heterogeneous bitmap images is constructed, which can properly handle steganalysis problems of mixed image sources including raw single-sampled images and resampled images at different scaling factors. The proposed FA-steganalyzer consists of a resampling detector followed by two corresponding steganalyzers, one of which is used to deal with raw single-sampled images and the other is used for mixed resampled images at different scaling factors. Extensive experimental results show that the proposed FA-steganalyzer outperforms the existing steganalyzer that is trained on a mixed dataset especially at low embedding rates.

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© 2013 SPIE and IS&T

Citation

Xiaodan Hou ; Tao Zhang ; Gang Xiong ; Zhibo Lu and Kai Xie
"Resampling detection aided steganalysis of heterogeneous bitmap images", J. Electron. Imaging. 22(1), 013037 (Apr 01, 2013). ; http://dx.doi.org/10.1117/1.JEI.22.1.013037


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