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Article Details

Copyright Statement: This is an open access article licensed under a Creative Commons Attribution 4.0 International License, which permits unrestricted use, distribution, and reproduction in any medium, even commercially as long as the original work is properly cited.

A Robust Algorithm of Forgery Detection in Copy-Move and Spliced Images

Author 1: Tu Huynh-Kha
Author 2: Thuong Le-Tien
Author 3: Synh Ha-Viet-Uyen
Author 4: Khoa Huynh-Van
Author 5: Marie Luong

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Digital Object Identifier (DOI) : 10.14569/IJACSA.2016.070301

Article Published in International Journal of Advanced Computer Science and Applications(ijacsa), Volume 7 Issue 3, 2016.

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Abstract: The paper presents a new method to detect forgery by copy-move, splicing or both in the same image. Multiscale, which limits the computational complexity, is used to check if there is any counterfeit in the image. By applying one-level Discrete Wavelet Transform, the sharped edges, which are traces of cut-paste manipulation, are high frequencies and detected from LH, HL and HH sub-bands. A threshold is proposed to filter the suspicious edges and the morphological operation is applied to reconstruct the boundaries of forged regions. If there is no shape produced by dilation or no highlight sharped edges, the image is not faked. In case of forgery image, if a region at the other position is similar to the defined region in the image, a copy-move is confirmed. If not, a splicing is detected. The suspicious region is extracted the feature using Run Difference Method (RDM) and a feature vector is created. Searching regions having the same feature vector is called detection phase. The algorithm applying multiscale and morphological operation to detect the sharped edges and RDM to extract the image features is simulated in Matlab with high efficiency not only in the copy-move or spliced images but also the image with both copy-move and splicing.

Keywords: Forgery detection (FD); Copy-Move; Discrete Wavelet Transform (DWT); Run Difference Method (RDM); Splicing, Sharpness

Tu Huynh-Kha, Thuong Le-Tien, Synh Ha-Viet-Uyen, Khoa Huynh-Van and Marie Luong, “A Robust Algorithm of Forgery Detection in Copy-Move and Spliced Images” International Journal of Advanced Computer Science and Applications(ijacsa), 7(3), 2016. http://dx.doi.org/10.14569/IJACSA.2016.070301

@article{Huynh-Kha2016,
title = {A Robust Algorithm of Forgery Detection in Copy-Move and Spliced Images},
journal = {International Journal of Advanced Computer Science and Applications},
doi = {10.14569/IJACSA.2016.070301},
url = {http://dx.doi.org/10.14569/IJACSA.2016.070301},
year = {2016},
publisher = {The Science and Information Organization},
volume = {7},
number = {3},
author = {Tu Huynh-Kha and Thuong Le-Tien and Synh Ha-Viet-Uyen and Khoa Huynh-Van and Marie Luong}
}


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