Signal Processing, Volume (202), No (1), Year (2023-1) , Pages (108750-108764)

Title : ( Diffusion-based Kalman iterative thresholding for compressed sampling recovery over network )

Authors: fahimeh ansari , Abbas Ebrahimi Moghadam , Morteza Khademi , Hadi Sadoghi Yazdi ,

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Abstract

Network-based CS recovery is used for faster processing of large-scale data, as well as for sensor networks where the observation vector and sampling matrix are distributed. In this paper, we propose a distributed CS recovery algorithm, called DKIST, which is based on three concepts: diffusion strategy, iterative thresholding, and extended Kalman filtering. We investigate that the estimation is unbiased and minimum variance, and the entire network is stable. Also, we proposed some modifications on DKIST to lower communication bit rate and computation of complexity. Simulation results show that the proposed algorithms outperform the competing distributed CS recovery methods performance in terms of accuracy and speed of convergence.

Keywords

, Compressed sampling, Distributed CS recovery, Diffusion strategies, Kalman iterative soft thresholding
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@article{paperid:1091358,
author = {Ansari, Fahimeh and Ebrahimi Moghadam, Abbas and Khademi, Morteza and Sadoghi Yazdi, Hadi},
title = {Diffusion-based Kalman iterative thresholding for compressed sampling recovery over network},
journal = {Signal Processing},
year = {2023},
volume = {202},
number = {1},
month = {January},
issn = {0165-1684},
pages = {108750--108764},
numpages = {14},
keywords = {Compressed sampling; Distributed CS recovery; Diffusion strategies; Kalman iterative soft thresholding},
}

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%0 Journal Article
%T Diffusion-based Kalman iterative thresholding for compressed sampling recovery over network
%A Ansari, Fahimeh
%A Ebrahimi Moghadam, Abbas
%A Khademi, Morteza
%A Sadoghi Yazdi, Hadi
%J Signal Processing
%@ 0165-1684
%D 2023

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