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Image Denoising using K-SVD Algorithm based on Gabor Wavelet Dictionary

by Wael Khedr, Rehab Ali, Fawzan Ismail
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International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 59 - Number 2
Year of Publication: 2012
Authors: Wael Khedr, Rehab Ali, Fawzan Ismail
10.5120/9521-3926

Wael Khedr, Rehab Ali, Fawzan Ismail . Image Denoising using K-SVD Algorithm based on Gabor Wavelet Dictionary. International Journal of Computer Applications. 59, 2 ( December 2012), 30-33. DOI=10.5120/9521-3926

@article{ 10.5120/9521-3926,
author = { Wael Khedr, Rehab Ali, Fawzan Ismail },
title = { Image Denoising using K-SVD Algorithm based on Gabor Wavelet Dictionary },
journal = { International Journal of Computer Applications },
issue_date = { December 2012 },
volume = { 59 },
number = { 2 },
month = { December },
year = { 2012 },
issn = { 0975-8887 },
pages = { 30-33 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume59/number2/9521-3926/ },
doi = { 10.5120/9521-3926 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T21:05:03.519822+05:30
%A Wael Khedr
%A Rehab Ali
%A Fawzan Ismail
%T Image Denoising using K-SVD Algorithm based on Gabor Wavelet Dictionary
%J International Journal of Computer Applications
%@ 0975-8887
%V 59
%N 2
%P 30-33
%D 2012
%I Foundation of Computer Science (FCS), NY, USA
Abstract

Image denoising problem can be addressed as an inverse problem. One of the most recent approaches to solve an inverse problem is a sparse decomposition over overcomplete dictionaries. In sparse representation, images are represented as a linear combination of dictionary atoms. In this paper, we propose an algorithm for image denoising based on Orthogonal Matching Pursuit (OMP) for determining sparse representation over Gabor Wavelet adaptive dictionary by K-SVD algorithm. The results of this algorithm have more efficiency of image recovery than using DCT dictionary.

References
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Index Terms

Computer Science
Information Sciences

Keywords

Sparse representation K-SVD Gabor wavelet dictionary and OMP

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