3 papers
eess.SP2026
Newton-Direction-Based ReLU-Thresholding Methods for Nonnegative Sparse Signal Recovery
Ning Bian, Zhong-Feng Sun, Yun-Bin Zhao +2
Nonnegative sparse signal recovery has been extensively studied due to its broad applications. Recent work has integrated rectified linear unit (ReLU) techniques to enhance existin…
cs.IT2025
Splitting Alternating Algorithms for Sparse Solutions of Linear Systems with Concatenated Orthogonal Matrices
Yun-Bin Zhao, Zhong-Feng Sun
A class of splitting alternating algorithms is proposed for finding the sparse solution of linear systems with concatenated orthogonal matrices. Depending on the number of matrices…
cs.IT2024
Dynamic Thresholding Algorithm with Memory for Linear Inverse Problems
Zhong-Feng Sun, Yun-Bin Zhao, Jin-Chuan Zhou +1
The relaxed optimal -thresholding pursuit (ROTP) is a recent algorithm for linear inverse problems. This algorithm is based on the optimal -thresholding technique which perfo…