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Reseach Article

Estimation of Image Corruption Inverse Function and Image Restoration using a PSO-based Algorithm

by Mohammd Pourmahmood Aghababa, Amin Mohammadpour Shotorbani, Easa Narimani
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 13 - Number 1
Year of Publication: 2011
Authors: Mohammd Pourmahmood Aghababa, Amin Mohammadpour Shotorbani, Easa Narimani
10.5120/1744-2374

Mohammd Pourmahmood Aghababa, Amin Mohammadpour Shotorbani, Easa Narimani . Estimation of Image Corruption Inverse Function and Image Restoration using a PSO-based Algorithm. International Journal of Computer Applications. 13, 1 ( January 2011), 30-35. DOI=10.5120/1744-2374

@article{ 10.5120/1744-2374,
author = { Mohammd Pourmahmood Aghababa, Amin Mohammadpour Shotorbani, Easa Narimani },
title = { Estimation of Image Corruption Inverse Function and Image Restoration using a PSO-based Algorithm },
journal = { International Journal of Computer Applications },
issue_date = { January 2011 },
volume = { 13 },
number = { 1 },
month = { January },
year = { 2011 },
issn = { 0975-8887 },
pages = { 30-35 },
numpages = {9},
url = { https://ijcaonline.org/archives/volume13/number1/1744-2374/ },
doi = { 10.5120/1744-2374 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Journal Article
%1 2024-02-06T20:01:37.992952+05:30
%A Mohammd Pourmahmood Aghababa
%A Amin Mohammadpour Shotorbani
%A Easa Narimani
%T Estimation of Image Corruption Inverse Function and Image Restoration using a PSO-based Algorithm
%J International Journal of Computer Applications
%@ 0975-8887
%V 13
%N 1
%P 30-35
%D 2011
%I Foundation of Computer Science (FCS), NY, USA
Abstract

A new method is proposed to estimate corruption function inverse of a blurred image. This technique can be used for restoring similar corrupted images. For linear position invariant procedure, the corruption process is modeled in the spatial domain by convolving the image with a point spread function (PSF) and addition of some noises into the image. It is assumed that a given artificial image is corrupted by a degradation function, represented by the PSF, and an additive noise. Then a filter mask (as a candidate for the corruption function inverse) is calculated to restore the original image from the corrupted one, with some accuracy. Calculating a suitable filter mask is formulated as an optimization problem: find optimal coefficients of the filter mask such that the difference between the original image and filter mask restored image to be minimized. Particle swarm optimization (PSO) is used to compute the optimal coefficients of the filter mask. Square filter masks are considered. A comparison between different exciting methods and the proposed technique is done using simulations. The simulation results show that the proposed method is effective and efficient. Since the proposed method is a simple linear technique, it can be easily implemented in hardware or software.

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Index Terms

Computer Science
Information Sciences

Keywords

Corruption Function Filter Mask Image Restoration Particle Swarm Optimization