A new sparse representation framework for compressed sensing MRI

Z Chen, C Huang, S Lin - Knowledge-Based Systems, 2020 - Elsevier
Abstract Compressed sensing based Magnetic Resonance imaging (MRI) via sparse
representation (or transform) has recently attracted broad interest. The tight frame (TF) …

Global convergence guarantees of (A) GIST for a family of nonconvex sparse learning problems

H Zhang, F Qian, F Shang, W Du… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
In recent years, most of the studies have shown that the generalized iterated shrinkage
thresholdings (GISTs) have become the commonly used first-order optimization algorithms …

Reconstruct 3D seismic data with randomly missing traces via fast self-supervised deep learning

Y Li, W Cao, W Lu, X Huang, J Ding… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The seismic data acquisition is an indispensable step in seismic exploration, whose cost
takes up a large proportion of seismic exploration. The cost of seismic data acquisition has …

Robust compressed sensing MRI based on combined nonconvex regularization

Z Chen, Y **ang, P Zhang, J Hu - Knowledge-Based Systems, 2023 - Elsevier
Compressed sensing (CS) is well known method for solving fast reconstruction of magnetic
resonance (MR) images. However, the quality of the reconstructed images is sensitive to the …

No fine-tuning, no cry: Robust svd for compressing deep networks

M Tukan, A Maalouf, M Weksler, D Feldman - Sensors, 2021 - mdpi.com
A common technique for compressing a neural network is to compute the k-rank ℓ 2
approximation A k of the matrix A∈ R n× d via SVD that corresponds to a fully connected …

Comparison of different compressed sensing algorithms for low SNR 19F MRI applications—Imaging of transplanted pancreatic islets and cells labeled with …

S Liang, T Dresselaers, K Louchami, C Zhu… - NMR in …, 2017 - Wiley Online Library
Transplantation of pancreatic islets is a possible treatment option for patients suffering from
Type I diabetes. In vivo imaging of transplanted islets is important for assessment of the …

Nonconvex penalties with analytical solutions for one-bit compressive sensing

X Huang, M Yan - Signal Processing, 2018 - Elsevier
One-bit measurements widely exist in the real world and can be used to recover sparse
signals. This task is known as one-bit compressive sensing (1bit-CS). In this paper, we …

Designing robust sensing matrix for image compression

G Li, X Li, S Li, H Bai, Q Jiang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
This paper deals with designing sensing matrix for compressive sensing systems.
Traditionally, the optimal sensing matrix is designed so that the Gram of the equivalent …

A novel secure cooperative cognitive radio network based on Chebyshev map

M Ridouani, S Benazzouza, F Salahdine… - Digital Signal …, 2022 - Elsevier
Cooperative networks have been proposed as an efficient solution to improve the detection
capability of a cognitive radio system. This type of networks is highly vulnerable to different …

The proximal operator of the piece-wise exponential function

Y Liu, Y Zhou, R Lin - IEEE Signal Processing Letters, 2024 - ieeexplore.ieee.org
This letter characterizes the proximal operator of the piece-wise exponential function with a
given shape parameter, which is a popular non-convex surrogate of the-norm in support …