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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...
In this paper, we propose a novel algorithm to unify color appearances in different images for image stitching applications. Instead of utilizing either histogram-matching or pixel-matching, we integrate both of them with possible degree of alignment error in the overlap region taken into account. After the mismatched pixel pairs are removed using the histogram-matching result, a confidence-weighted...
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