DOA estimation in impulsive noise via low-rank matrix approximation and weakly convex optimization

Q Liu, Y Gu, HC So - IEEE Transactions on Aerospace and …, 2019 - ieeexplore.ieee.org
Conventional direction-of-arrival (DOA) estimators are vulnerable to impulsive noise. In this
paper, to tackle this issue, a class of weakly convex-inducing penalties is introduced for …

An ℓ0-overlapping group sparse total variation for impulse noise image restoration

M Yin, T Adam, R Paramesran, MF Hassan - Signal Processing: Image …, 2022 - Elsevier
Total variation (TV) based methods are effective models in image restoration. For eliminating
impulse noise, an effective way is to use the ℓ 1-norm total variation model. However, the TV …

Non-circular sources DOA estimation for coprime array with impulsive noise: A novel augmented phased fractional low-order moment

X Dong, X Zhang, J Zhao, M Sun - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
The coprime array has become an essential part of array signal processing, which can
obtain a much higher degrees of freedom (DOFs) and larger aperture than that of the …

Combined higher order non-convex total variation with overlapping group sparsity for impulse noise removal

T Adam, R Paramesran, Y Mingming… - Multimedia Tools and …, 2021 - Springer
A typical approach to eliminate impulse noise is to use the ℓ 1-norm for both the data fidelity
term and the regularization terms. However, the ℓ 1-norm tends to over penalize signal …

[HTML][HTML] Off-grid doa estimation using sparse Bayesian learning for mimo radar under impulsive noise

J Ma, J Zhang, Z Yang, T Qiu - Sensors, 2022 - mdpi.com
Direction of arrival (DOA) estimation is an essential and fundamental part of array signal
processing, which has been widely used in radio monitoring, autonomous driving of …

Enhanced bnc approach for noncircular signals direction finding with sparse array in the scenario of impulsive noise

X Dong, M Sun, J Zhao, X Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Sparse array is popular in the field of array signal processing. However, in the direction of
arrival (DOA) estimation, most research on sparse array assumes Gaussian noise, resulting …

Optimum codesign for image denoising between type-2 fuzzy identifier and matrix completion denoiser

Q Liu, X Li, J Yang - IEEE Transactions on Fuzzy Systems, 2020 - ieeexplore.ieee.org
With the wide deployment of digital image capturing equipment, the need of denoising to
produce a crystal clear image from noisy capture environment has become indispensable. In …

Distributed weakly convex optimization under random time-delay interference

M Wei, W Yu, H Liu, Q Xu - IEEE Transactions on Network …, 2023 - ieeexplore.ieee.org
In this article, a special class of distributed stochastic nonconvex optimization problem is
investigated. Each agent in the network only has access to a local stochastic weakly convex …

FDA-MIMO radar for DOD, DOA, and range estimation: SA-MCFO framework and RDMD algorithm

C Wang, X Zhang, J Li - Signal Processing, 2021 - Elsevier
The frequency diverse array-multi-input multi-output (FDA-MIMO) radar can locate target in
angle and range dimensions by transmitting little frequency offset across the transmit …

An efficient real-valued sparse Bayesian learning for non-circular signal's DOA estimation in the presence of impulsive noise

J Zhang, T Qiu, S Luan - Digital Signal Processing, 2020 - Elsevier
Currently, sparse Bayesian learning (SBL) has been introduced to solve direction of arrival
(DOA) estimation in different situations. In the line of DOA estimation under impulsive noise …