A MCEA based passive forensics scheme for detecting frame-based video tampering

被引：48

作者：

Dong, Qiong ^{[1
]}

Yang, Gaobo ^{[1
]}

Zhu, Ningbo ^{[1
]}

机构：

[1] Hunan Univ, Sch Informat Sci & Engn, Changsha 410082, Hunan, Peoples R China

来源：

DIGITAL INVESTIGATION | 2012年 / 9卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Digital media forensics; Passive forensics; Motion-compensated edge artifact; Fourier transform; GOP;

D O I：

10.1016/j.diin.2012.07.002

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Without the use of digital signature or digital watermark, video passive forensics only utilizes the statistical characteristics of digital video to verify its integrity and authenticity. For frame-based video tampering, it usually suffers from double MPEG compression. In this paper, a motion-compensated edge artifact (MCEA) based passive forensics scheme is proposed for detecting frame-based video manipulation. It exploits the MCEA difference between adjacent P frames, and the decision is made by judging whether there are any spikes in the Fourier transform domain after double MPEG compression. Experimental results show that the proposed approach is effective for frame-based tampering, such as adding/deleting frames and GOP structure change, and can predict the GOP structure of original video. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：151 / 159

页数：9

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