Software

DWT Based Copy-Move Image Forgery Detection

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Executive Summary

In an age with digital media, it is no longer true that seeing is believing. In addition, digital forgeries, can be indistinguishable from authentic photographs. In a copy-move image forgery, a part of an image is copied and then pasted on a different location within the same image. In this paper an improved algorithm based on Discrete Wavelet Transform (DWT)is used to detect such cloning forgery. In this technique DWT (Discrete Wavelet Transform) is applied to the input image to yield a reduced dimensional representation. After that compressed image is divided into overlapping blocks.

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