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
Compressed Newton-direction-based Thresholding Methods for Sparse Optimization Problems
Nan Meng, Yun-Bin Zhao
Thresholding algorithms for sparse optimization problems involve two key components: search directions and thresholding strategies. In this paper, we use the compressed Newton dire…
math.AP2025
MUSIC algorithm for locating point-like scatterers with multiple interactions
Nana Meng
We study the inverse problem of locating point sources from far-field data under plane wave incidence. A direct computational method is developed based on multiple scattering theor…