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Digital Image Watermarking using Combined DWT and DFRFT

by Farooq Husain, Ekram Khan, Omar Farooq
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 60 - Number 11
Year of Publication: 2012
Authors: Farooq Husain, Ekram Khan, Omar Farooq
10.5120/9736-4287

Farooq Husain, Ekram Khan, Omar Farooq . Digital Image Watermarking using Combined DWT and DFRFT. International Journal of Computer Applications. 60, 11 ( December 2012), 17-25. DOI=10.5120/9736-4287

@article{ 10.5120/9736-4287,
author = { Farooq Husain, Ekram Khan, Omar Farooq },
title = { Digital Image Watermarking using Combined DWT and DFRFT },
journal = { International Journal of Computer Applications },
issue_date = { December 2012 },
volume = { 60 },
number = { 11 },
month = { December },
year = { 2012 },
issn = { 0975-8887 },
pages = { 17-25 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume60/number11/9736-4287/ },
doi = { 10.5120/9736-4287 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:06:16.965879+05:30
%A Farooq Husain
%A Ekram Khan
%A Omar Farooq
%T Digital Image Watermarking using Combined DWT and DFRFT
%J International Journal of Computer Applications
%@ 0975-8887
%V 60
%N 11
%P 17-25
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

In this paper, a digital image watermarking technique combining Discrete Wavelet Transform (DWT) and Discrete Fractional Fourier Transform (DFRFT) has been investigated. This is a non-blind watermarking technique that exploits multi-resolution sub-band decomposition property of DWT and applies DFRFT on selected sub-bands in DWT-transformed image. The performance of this algorithm under various attacks is investigated and compared with DFRFT and DWT-based algorithms. The simulation results show that proposed watermarking technique offers better robustness to all attacks as compared to DWT-based scheme whereas either comparable or better than DFRFT-based technique for all attacks except median filtering, AWGN and JPEG compression attacks.

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Index Terms

Computer Science
Information Sciences

Keywords

Digital Image Watermarking Discrete Wavelet Transform Discrete Fractional Fourier Transform Histogram Equalization Sharpening

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