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Reseach Article

Sparse Signals Reconstruction via Adaptive Iterative Greedy Algorithm

by Walid Osamy, Ahmed Salim, Ahmed Aziz
International Journal of Computer Applications
Foundation of Computer Science (FCS), NY, USA
Volume 90 - Number 17
Year of Publication: 2014
Authors: Walid Osamy, Ahmed Salim, Ahmed Aziz

Walid Osamy, Ahmed Salim, Ahmed Aziz . Sparse Signals Reconstruction via Adaptive Iterative Greedy Algorithm. International Journal of Computer Applications. 90, 17 ( March 2014), 5-11. DOI=10.5120/15810-4715

@article{ 10.5120/15810-4715,
author = { Walid Osamy, Ahmed Salim, Ahmed Aziz },
title = { Sparse Signals Reconstruction via Adaptive Iterative Greedy Algorithm },
journal = { International Journal of Computer Applications },
issue_date = { March 2014 },
volume = { 90 },
number = { 17 },
month = { March },
year = { 2014 },
issn = { 0975-8887 },
pages = { 5-11 },
numpages = {9},
url = { },
doi = { 10.5120/15810-4715 },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
%0 Journal Article
%1 2024-02-06T22:11:16.043828+05:30
%A Walid Osamy
%A Ahmed Salim
%A Ahmed Aziz
%T Sparse Signals Reconstruction via Adaptive Iterative Greedy Algorithm
%J International Journal of Computer Applications
%@ 0975-8887
%V 90
%N 17
%P 5-11
%D 2014
%I Foundation of Computer Science (FCS), NY, USA

Compressive sensing(CS) is an emerging research field that has applications in signal processing, error correction, medical imaging, seismology, and many more other areas. CS promises to efficiently reconstruct a sparse signal vector via a much smaller number of linear measurements than its dimension. In order to improve CS reconstruction performance, this paper present a novel reconstruction greedy algorithm called the Enhanced Orthogonal Matching Pursuit (E-OMP). E-OMP falls into the general category of Two Stage Thresholding(TST)-type algorithms where it consists of consecutive forward and backward stages. During the forward stage, E-OMP depends on solving the least square problem to select columns from the measurement matrix. Furthermore, E-OMP uses a simple backtracking step to detect the previous chosen columns accuracy and then remove the false columns at each time. From simulations it is observed that E-OMP improve the reconstruction performance better than Orthogonal Matching Pursuit (OMP) and Regularized OMP (ROMP).

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Index Terms

Computer Science
Information Sciences


Compressed sensing Forward-backward search Sparse signal reconstruction Greedy algorithms