A tutorial on sparse signal reconstruction and its applications in signal processing

L Stanković, E Sejdić, S Stanković, M Daković… - Circuits, Systems, and …, 2019 - Springer
Sparse signals are characterized by a few nonzero coefficients in one of their transformation
domains. This was the main premise in designing signal compression algorithms …

Image reconstruction in electrical impedance tomography based on structure-aware sparse Bayesian learning

S Liu, J Jia, YD Zhang, Y Yang - IEEE transactions on medical …, 2018 - ieeexplore.ieee.org
Electrical impedance tomography (EIT) is developed to investigate the internal conductivity
changes of an object through a series of boundary electrodes, and has become increasingly …

Structure-aware Bayesian compressive sensing for frequency-hopping spectrum estimation with missing observations

S Liu, YD Zhang, T Shan, R Tao - IEEE Transactions on Signal …, 2018 - ieeexplore.ieee.org
In this paper, we address the problem of spectrum estimation of multiple frequency-hopping
(FH) signals in the presence of random missing observations. The signals are analyzed …

Multiple squeezes from adaptive chirplet transform

X Zhu, Z Zhang, Z Li, J Gao, X Huang, G Wen - Signal Processing, 2019 - Elsevier
Time-frequency (TF) analysis method is an effective tool to analyze non-stationary signals.
However, how to generate a clear TF representation for strongly time-varying signals is still a …

Seismic time-frequency analysis based on time-reassigned synchrosqueezing transform

P Bing, W Liu, Y Liu - IEEE Access, 2021 - ieeexplore.ieee.org
In this paper, we propose a novel seismic time-frequency analysis method via the time-
reassigned synchrosqueezing transform (TSST), in which the time-frequency coefficients are …

Detection of weak astronomical signals with frequency-hopping interference suppression

S Liu, YD Zhang, T Shan - Digital Signal Processing, 2018 - Elsevier
This paper addresses the detection of weak astronomical signals that are contaminated by
strong frequency-hopping (FH) interferers and suffer from missing samples. The problem is …

On the adversarial robustness of LASSO based feature selection

F Li, L Lai, S Cui - IEEE Transactions on Signal Processing, 2021 - ieeexplore.ieee.org
In this paper, we investigate the adversarial robustness of feature selection based on the
regularized linear regression model, namely LASSO. In the considered model, there is a …

An effective reconstruction algorithm based on modulated wideband converter for wideband spectrum sensing

J He, W Chen, L Jia, T Wang - IEEE Access, 2020 - ieeexplore.ieee.org
In recent years, wideband spectrum sensing combined with sub-Nyquist sampling and
compressed sensing technology in the field of cognitive radio has received widespread …

Image reconstruction algorithm for electrical impedance tomography based on block sparse Bayesian learning

S Liu, J Jia, Y Yang - … on Imaging Systems and Techniques (IST …, 2017 - ieeexplore.ieee.org
Electrical impedance tomography (EIT) is a promising agile imaging modality that allows
estimation of the electrical conductivity distribution at the interior of an object from boundary …

Generalized ridge reconstruction approaches toward more accurate signal estimate

X Zhu, Z Zhang, H Zhang, J Gao, B Li - Circuits, Systems, and Signal …, 2020 - Springer
Ridge reconstruction (RR) method is one of the most commonly used ways for
multicomponent signal reconstruction from time–frequency representations. However, this …