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Copy-move attack is a special type of image forgery, in which a part of a digital image is copied and pasted to another part in the same image in order to cover an important image feature. This paper describes a new and blind forensics approach for detecting copy-move forgery. Our technique works by first applying DWT (discrete wavelet transform) to the input image to yield a reduced dimension representation...
The presence of duplicated regions in the image can be considered as a tell-tale sign for image forgery, which belongs to the research field of digital image forensics. In this paper, a blind forensics approach based on DWT (discrete wavelet transform) and SVD (singular value decomposition) is proposed to detect the specific artifact. Firstly, DWT is applied to the image, and SVD is used on fixed-size...
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