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SAE based unified double JPEG compression detection system for Web image forensics

Zhifeng Wang (School of Educational Information Technology/Hubei Research Center for Educational Informationization, Central China Normal University , Wuhan, China)
Chi Zuo (Department of Electrical Engineering and Computer Science, Syracuse University , Syracuse, New York, USA)
Chunyan Zeng (Hubei Key Laboratory for High-efficiency Utilization of Solar Energy and Operation Control of Energy Storage System, Hubei University of Technology , Wuhan, China)

International Journal of Web Information Systems

ISSN: 1744-0084

Article publication date: 8 February 2021

Issue publication date: 30 April 2021




Recently, the double joint photographic experts group (JPEG) compression detection tasks have been paid much more attention in the field of Web image forensics. Although there are several useful methods proposed for double JPEG compression detection when the quantization matrices are different in the primary and secondary compression processes, it is still a difficult problem when the quantization matrices are the same. Moreover, those methods for the different or the same quantization matrices are implemented in independent ways. The paper aims to build a new unified framework for detecting the doubly JPEG compression.


First, the Y channel of JPEG images is cut into 8 × 8 nonoverlapping blocks, and two groups of features that characterize the artifacts caused by doubly JPEG compression with the same and the different quantization matrices are extracted on those blocks. Then, the Riemannian manifold learning is applied for dimensionality reduction while preserving the local intrinsic structure of the features. Finally, a deep stack autoencoder network with seven layers is designed to detect the doubly JPEG compression.


Experimental results with different quality factors have shown that the proposed approach performs much better than the state-of-the-art approaches.

Practical implications

To verify the integrity and authenticity of Web images, the research of double JPEG compression detection is increasingly paid more attentions.


This paper aims to propose a unified framework to detect the double JPEG compression in the scenario whether the quantization matrix is different or not, which means this approach can be applied in more practical Web forensics tasks.



This work was supported by National Natural Science Foundation of China (No.61901165, 61501199), Science and Technology Research Project of Hubei Education Department (No. Q20191406), Hubei Natural Science Foundation (No. 2017CFB683), Hubei Research Center for Educational Informationization Open Funding (No. HRCEI2020F0102), and Self-determined Research Funds of CCNU from the Colleges’ Basic Research and Operation of MOE (No. CCNU20ZT010).


Wang, Z., Zuo, C. and Zeng, C. (2021), "SAE based unified double JPEG compression detection system for Web image forensics", International Journal of Web Information Systems, Vol. 17 No. 2, pp. 84-98.



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