双JPEG压缩图像篡改检测的被动取证方法

2011 IEEE International Symposium on Multimedia Pub Date : 2011-12-05 DOI:10.1109/ISM.2011.37

Zhenli Liu, Xiaofeng Wang, Jing Chen

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引用次数: 1

摘要

提出了一种用于双JPEG压缩图像篡改检测的被动取证方法。该方法利用质量因子不一致性检测双重JPEG压缩，然后提出一种被动取证方法，对被篡改的JPEG图像进行篡改检测和篡改区域定位。与现有方法相比，本文方法的主要优点是:(1)能够检测小范围内的旋转、缩放和篡改。(2)计算效率高。

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Passive Forensics Method to Detect Tampering for Double JPEG Compression Image

A passive forensics method to detect tampering for double JPEG compression image is proposed. In the proposed method, inconsistency of quality factors is used to detect double JPEG compression, and then a passive forensics approach to detect tampering and locate tampered area for tampered JPEG images is proposed. Comparing with existing methods, the main advantages of the proposed method are as follows: (1) It can detect rotation, scaling and tampering in small area. (2) It has a high computing efficiency.

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2011 IEEE International Symposium on Multimedia

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