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Digital image authenticity is always an imperative question to tackle whenever a digital image is being assessed for its content. Using digital forensic algorithms, the image will be evaluated for various traces left from numerous categories of manipulations including, among others, copy–move operations. Later this is considered an essential block in most digital image forgeries. It results in changing...
Copy-move operation is an essential block in most of digital image forgeries. It results in hiding information from a scene, inserting new information or simply duplicating it. Many studies have been made in order to detect this kind of image modifications. In this paper we propose an algorithm that applies principal component analysis and discrete cosine transform in order to characterize and detect...
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