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Reseach Article

Digital Image Watermarking using Combined DWT and DFRFT

by Farooq Husain, Ekram Khan, Omar Farooq
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