Search Results - "Zayyani, H."
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1
An Iterative Bayesian Algorithm for Sparse Component Analysis in Presence of Noise
Published in IEEE transactions on signal processing (01-11-2009)“…We present a Bayesian approach for sparse component analysis (SCA) in the noisy case. The algorithm is essentially a method for obtaining sufficiently sparse…”
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2
DISTRIBUTED UNMIXING OF HYPERSPECTRAL DATAWITH SPARSITY CONSTRAINT
Published in International archives of the photogrammetry, remote sensing and spatial information sciences. (26-09-2017)“…Spectral unmixing (SU) is a data processing problem in hyperspectral remote sensing. The significant challenge in the SU problem is how to identify endmembers…”
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3
Approximated Cramér–Rao bound for estimating the mixing matrix in the two-sensor noisy Sparse Component Analysis (SCA)
Published in Digital signal processing (01-05-2013)“…In this paper, we address theoretical limitations in estimating the mixing matrix in noisy Sparse Component Analysis (SCA) in the two-sensor case. We obtain…”
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4
An iterative bayesian algorithm for block-sparse signal reconstruction
Published in 2015 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP) (01-04-2015)“…This paper presents a novel iterative Bayesian algorithm, Block Iterative Bayesian Algorithm (Block-IBA), for reconstructing block-sparse signals with unknown…”
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Conference Proceeding -
5
On the Cramér-Rao Bound for Estimating the Mixing Matrix in Noisy Sparse Component Analysis
Published in IEEE signal processing letters (01-01-2008)“…In this letter, we address the theoretical limitations in estimating the mixing matrix in noisy sparse component analysis (SCA) for the two-sensor case. We…”
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6
Stochastic Block NIHT Algorithm for Adaptive Block-Sparse System Identification
Published in Journal of electrical and computer engineering innovations (Online) (01-01-2021)“…Background and Objectives: Compressive sensing (CS) theory has been widely used in various fields, such as wireless communications. One of the main issues in…”
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7
Approximated CrameraRao bound for estimating the mixing matrix in the two-sensor noisy Sparse Component Analysis (SCA)
Published in Digital signal processing (01-05-2013)“…In this paper, we address theoretical limitations in estimating the mixing matrix in noisy Sparse Component Analysis (SCA) in the two-sensor case. We obtain…”
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Journal Article -
8
Bayesian Pursuit algorithm for sparse representation
Published in 2009 IEEE International Conference on Acoustics, Speech and Signal Processing (01-04-2009)“…In this paper, we propose a Bayesian pursuit algorithm for sparse representation. It uses both the simplicity of the pursuit algorithms and optimal Bayesian…”
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Conference Proceeding -
9
Frequency Estimation of Unbalanced Three-Phase Power System using a New LMS Algorithm
Published in Iranian journal of electrical & electronic engineering (01-03-2015)“…This paper presents a simple and easy implementable Least Mean Square (LMS) type approach for frequency estimation of three phase power system in an unbalanced…”
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10
Compressed sensing Block MAP-LMS adaptive filter for sparse channel estimation and a Bayesian Cramer-Rao bound
Published in 2009 IEEE International Workshop on Machine Learning for Signal Processing (01-09-2009)“…This paper suggests to use a block MAP-LMS (BMAP-LMS) adaptive filter instead of an adaptive filter called MAP-LMS for estimating the sparse channels. Moreover…”
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Conference Proceeding -
11
Decoding real-field codes by an iterative Expectation-Maximization (EM) algorithm
Published in 2008 IEEE International Conference on Acoustics, Speech and Signal Processing (01-03-2008)“…In this paper, a new approach for decoding real-field codes based on finding sparse solutions of underdetermined linear systems is proposed. This algorithm…”
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Conference Proceeding -
12
Thresholded smoothed-ℓ0(SL0) dictionary learning for sparse representations
Published in 2009 IEEE International Conference on Acoustics, Speech and Signal Processing (01-04-2009)“…In this paper, we suggest to use a modified version of Smoothed-lscr 0 (SL0) algorithm in the sparse representation step of iterative dictionary learning…”
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Conference Proceeding -
13
Weighted diffusion LMP algorithm for distributed estimation in non-uniform noise conditions
Published 05-08-2016“…This letter presents an improved version of diffusion least mean ppower (LMP) algorithm for distributed estimation. Instead of sum of mean square errors, a…”
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14
Joint DOA Estimation and Array Calibration Using Multiple Parametric Dictionary Learning
Published 23-07-2017“…This letter proposes a multiple parametric dictionary learning algorithm for direction of arrival (DOA) estimation in presence of array gain-phase error and…”
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15
Bayesian hypothesis testing for one bit compressed sensing with sensing matrix perturbation
Published 18-11-2015“…This letter proposes a low-computational Bayesian algorithm for noisy sparse recovery in the context of one bit compressed sensing with sensing matrix…”
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16
Estimating the mixing matrix in Sparse Component Analysis (SCA) using EM algorithm and iterative Bayesian clustering
Published in 2008 16th European Signal Processing Conference (01-08-2008)“…In this paper, we focus on the mixing matrix estimation which is the first step of Sparse Component Analysis. We propose a novel algorithm based on…”
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Conference Proceeding -
17
Source Estimation in Noisy Sparse Component Analysis
Published in 2007 15th International Conference on Digital Signal Processing (01-07-2007)“…In this paper, a new algorithm for sparse component analysis (SCA) in the noisy underdetermined case (i.e., with more sources than sensors) is presented. The…”
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Conference Proceeding