Surveying and comparing simultaneous sparse approximation (or group-lasso) algorithms

A Rakotomamonjy - Signal processing, 2011 - Elsevier
In this paper, we survey and compare different algorithms that, given an overcomplete
dictionary of elementary functions, solve the problem of simultaneous sparse signal …

Block-row sparse multiview multilabel learning for image classification

X Zhu, X Li, S Zhang - IEEE transactions on cybernetics, 2015 - ieeexplore.ieee.org
In image analysis, the images are often represented by multiple visual features (also known
as multiview features), that aim to better interpret them for achieving remarkable …

Open issues and recent advances in DC programming and DCA

HA Le Thi, T Pham Dinh - Journal of Global Optimization, 2024 - Springer
DC (difference of convex functions) programming and DC algorithm (DCA) are powerful
tools for nonsmooth nonconvex optimization. This field was created in 1985 by Pham Dinh …

[PDF][PDF] Joint feature selection and subspace learning

Q Gu, Z Li, J Han - Twenty-second international joint conference on …, 2011 - ijcai.org
Dimensionality reduction is a very important topic in machine learning. It can be generally
classified into two categories: feature selection and subspace learning. In the past decades …

Efficient block-coordinate descent algorithms for the group lasso

Z Qin, K Scheinberg, D Goldfarb - Mathematical Programming …, 2013 - Springer
We present two algorithms to solve the Group Lasso problem (Yuan and Lin in, JR Stat Soc
Ser B (Stat Methodol) 68 (1): 49–67, 2006). First, we propose a general version of the Block …

Visual saliency detection via sparsity pursuit

J Yan, M Zhu, H Liu, Y Liu - IEEE Signal Processing Letters, 2010 - ieeexplore.ieee.org
Saliency mechanism has been considered crucial in the human visual system and helpful to
object detection and recognition. This paper addresses a novel feature-based model for …

Identifying disease sensitive and quantitative trait-relevant biomarkers from multidimensional heterogeneous imaging genetics data via sparse multimodal multitask …

H Wang, F Nie, H Huang, SL Risacher, AJ Saykin… - …, 2012 - academic.oup.com
Motivation: Recent advances in brain imaging and high-throughput genotyping techniques
enable new approaches to study the influence of genetic and anatomical variations on brain …

Fusion tracking in color and infrared images using joint sparse representation

HP Liu, FC Sun - Science China Information Sciences, 2012 - Springer
Currently sparse signal reconstruction gains considerable interest and is applied in many
fields. In this paper, a similarity induced by joint sparse representation is designed to …

DU-CG-STAP method based on sparse recovery and unsupervised learning for airborne radar clutter suppression

B Zou, X Wang, W Feng, H Zhu, F Lu - Remote Sensing, 2022 - mdpi.com
With a small number of training range cells, sparse recovery (SR)-based space–time
adaptive processing (STAP) methods can help to suppress clutter and detect targets …

Model-based deep learning for joint activity detection and channel estimation in massive and sporadic connectivity

J Johnston, X Wang - IEEE Transactions on Wireless …, 2022 - ieeexplore.ieee.org
We present two model-based neural network architectures purposed for sporadic user
detection and channel estimation in massive machine-type communications. In the scenario …