Exposing Copy-Paste-Blur Forgeries Based on Color Coherence

Exposing digital image forgeries is a major challenge for photography authentication and forensics investigations which aims at proving the authenticity of digital photos. In this paper, we introduce a digital image forensics approach based on color coherence to exposing copy-paste-blur forgeries. W...

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Bibliographic Details
Published in:电子学报：英文版 2009-07, Vol.18 (3), p.487-490
Main Author: WANG Bo KONG Xiangwei Elisa Bertino FU Haiyan
Format: Article
Language:English
Subjects:
SVM分类器
数字图像
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Summary:Exposing digital image forgeries is a major challenge for photography authentication and forensics investigations which aims at proving the authenticity of digital photos. In this paper, we introduce a digital image forensics approach based on color coherence to exposing copy-paste-blur forgeries. We first discuss the inherent color coherence introduced by imaging pipeline, and then obtain several statistical features from the coherence char- acterization. Using the SVM classifier, we reveal traces of copy-paste-blur tampering in photographic forgeries. Experimental results indicate that the proposed method can effectively expose the copy-paste-blur forgeries and localize the tampered regions with high accuracy.
ISSN:1022-4653