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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Run-Length and Edge Statistics Based Approach for Image Splicing Detection
verfasst von : Jing Dong, Wei Wang, Tieniu Tan, Yun Q. Shi
Erschienen in: Digital Watermarking
Verlag: Springer Berlin Heidelberg
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In this paper, a simple but efficient approach for blind image splicing detection is proposed. Image splicing is a common and fundamental operation used for image forgery. The detection of image splicing is a preliminary but desirable study for image forensics. Passive detection approaches of image splicing are usually regarded as pattern recognition problems based on features which are sensitive to splicing. In the proposed approach, we analyze the discontinuity of image pixel correlation and coherency caused by splicing in terms of image run-length representation and sharp image characteristics. The statistical features extracted from image run-length representation and image edge statistics are used for splicing detection. The support vector machine (SVM) is used as the classifier. Our experimental results demonstrate that the two proposed features outperform existing ones both in detection accuracy and computational complexity.