Simplified Anti-Forensics of JPEG Compression

被引：3
作者：
Qian, Zhenxing [1 ]
Qiao, Tong [1 ]
机构：
[1] Shanghai Univ, Sch Commun & Informat Engn, Shanghai, Peoples R China
来源：
JOURNAL OF COMPUTERS | 2013年 / 8卷 / 10期
基金：
上海市自然科学基金;
关键词：
Anti-forensics; forensics; gamma correction; JPEG; nonlocal TV filter;
D O I：
10.4304/jcp.8.10.2483-2488
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
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.
引用
收藏
页码：2483 / 2488
页数：6
相关论文
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