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A Novel Universal Steganalysis Algorithm Based on the IQM and the SRM

Yu Yang1,2,*, Yuwei Chen1,2, Yuling Chen2, Wei Bi3,4
Information Security Center, Beijing University of Posts and Telecommunications, Beijing, 100876, China .
Guizhou Provincial Key Laboratory of Public Big Data, Guizhou University, Guiyang, Guizhou, 550025, China.
SeeleTech Corporation, San Francisco, 94107, USA.
Zsbatech Corporation, Beijing, 100088, China.
* Corresponding Author: Yu Yang. Email: .

Computers, Materials & Continua 2018, 56(2), 261-272. https://doi.org/ 10.3970/cmc.2018.02736

Abstract

The state-of-the-art universal steganalysis method, spatial rich model (SRM), and the steganalysis method using image quality metrics (IQM) are both based on image residuals, while they use 34671 and 10 features respectively. This paper proposes a novel steganalysis scheme that combines their advantages in two ways. First, filters used in the IQM are designed according to the models of the SRM owning to their strong abilities for detecting the content adaptive steganographic methods. In addition, a total variant (TV) filter is also used due to its good performance of preserving image edge properties during filtering. Second, due to each type of these filters having own advantages, the multiple filters are used simultaneously and the features extracted from their outputs are combined together. The whole steganalysis procedure is removing steganographic noise using those filters, then measuring the distances between images and their filtered version with the image quality metrics, and last feeding these metrics as features to build a steganalyzer using either an ensemble classifier or a support vector machine. The scheme can work in two modes, the single filter mode using 9 features, and the multi-filter mode using 639 features. We compared the performance of the proposed method, the SRM and the maxSRMd2. The maxSRMd2 is the improved version of the SRM. The simulated results show that the proposed method that worked in the multi-filter mode was about 10% more accurate than the SRM and maxSRMd2 when the data were globally normalized, and had similar performance with the SRM and maxSRMd2 when the data were locally normalized.

Keywords

Image steganalysis, IQM, SRM, total variation, universal image steganalysis

Cite This Article

Y. . Yang, Y. . Chen, Y. . Chen and W. . Bi, "A novel universal steganalysis algorithm based on the iqm and the srm," Computers, Materials & Continua, vol. 56, no.2, pp. 261–272, 2018.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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