JCP 2013 Vol.8(10): 2483-2488 ISSN: 1796-203X
doi: 10.4304/jcp.8.10.2483-2488
doi: 10.4304/jcp.8.10.2483-2488
Simplified Anti-Forensics of JPEG Compression
Zhenxing Qian and Tong Qiao
School of Communication and Information Engineering, Shanghai University, Shanghai, China
Abstract—This paper proposes a simplified anti-forensics method for JPEG compression. For a spatial image decompressed from a JPEG file, traces of compression can be tracked by many forensic methods. To conceal these clues of comblike DCT histogram and blocking artifacts, we use the method of image enhancement and filtering. Compared with Stamm’s method of introducing noise into the targeting image, the proposed method preserves better quality and works faster. Risks of quantization estimation and global histogram analysis can also be avoided.
Index Terms—Anti-forensics, forensics, gamma correction, JPEG, nonlocal TV filter.
Abstract—This paper proposes a simplified anti-forensics method for JPEG compression. For a spatial image decompressed from a JPEG file, traces of compression can be tracked by many forensic methods. To conceal these clues of comblike DCT histogram and blocking artifacts, we use the method of image enhancement and filtering. Compared with Stamm’s method of introducing noise into the targeting image, the proposed method preserves better quality and works faster. Risks of quantization estimation and global histogram analysis can also be avoided.
Index Terms—Anti-forensics, forensics, gamma correction, JPEG, nonlocal TV filter.
Cite: Zhenxing Qian and Tong Qiao, " Simplified Anti-Forensics of JPEG Compression," Journal of Computers vol. 8, no. 10, pp. 2483-2488, 2013.
General Information
ISSN: 1796-203X
Abbreviated Title: J.Comput.
Frequency: Bimonthly
Abbreviated Title: J.Comput.
Frequency: Bimonthly
Editor-in-Chief: Prof. Liansheng Tan
Executive Editor: Ms. Nina Lee
Abstracting/ Indexing: DBLP, EBSCO, ProQuest, INSPEC, ULRICH's Periodicals Directory, WorldCat,etc
E-mail: jcp@iap.org
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