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Journal articles

Color noise correlation-based splicing detection for image forensics

Abstract : Today, it has become very easy to manipulate digital images using image processing tools and software such as Adobe Photoshop (https://www.adobe.com/products/photoshop.html). Tampering with images by splicing is an operation that consists of cutting-and-pasting an area of an image into another host image. In this paper, we propose to detect and localize such manipulations by analyzing the correlation of the image noise across the three color channels RGB, which is an intrinsic feature of the digital photography acquisition process. More precisely, we propose to detect the border between the background (host image) and the spliced area. Using a sliding window, we detect the blocks that span across the two areas which are characterized by two different color noise correlations. To do this, we propose specific features that are able to highlight these blocks. After the feature extraction, we introduce a learning phase using a Random Forest Classifier. Experimental results, specifically on the Columbia database, show very good results in comparison to other current state of the art methods.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-03475299
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Submitted on : Friday, December 10, 2021 - 5:28:24 PM
Last modification on : Friday, April 1, 2022 - 3:43:35 AM

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Vincent Itier, Olivier Strauss, Laurent Morel, William Puech. Color noise correlation-based splicing detection for image forensics. Multimedia Tools and Applications, Springer Verlag, 2021, 80 (9), pp.13215-13233. ⟨10.1007/s11042-020-10326-5⟩. ⟨lirmm-03475299⟩

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