A Linearly Convergent Optimization Framework for Learning Graphs From Smooth Signals

X Wang, C Yao, AMC So - IEEE Transactions on Signal and …, 2023 - ieeexplore.ieee.org
Learning graph structures from a collection of smooth graph signals is a fundamental
problem in data analysis and has attracted much interest in recent years. Although various …

Bayesian spatio-temporal graph convolutional network for traffic forecasting

J Fu, W Zhou, Z Chen - arXiv preprint arXiv:2010.07498, 2020 - arxiv.org
In traffic forecasting, graph convolutional networks (GCNs), which model traffic flows as
spatio-temporal graphs, have achieved remarkable performance. However, existing GCN …

Exploiting variational inequalities for generalized change detection on graphs

JF Florez-Ospina, DA Jimenez-Sierra… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
This article introduces a unified framework for developing graph-based change detection
(CD) algorithms in remote sensing, which is based on signal feasibility problems and …

Block-based spectral image reconstruction for compressive spectral imaging using smoothness on graphs

JF Florez-Ospina, AKM Alrushud, DL Lau, GR Arce - Optics Express, 2022 - opg.optica.org
A novel reconstruction method for compressive spectral imaging is designed by assuming
that the spectral image of interest is sufficiently smooth on a collection of graphs. Since the …

[HTML][HTML] Novel feature-extraction methods for the estimation of above-ground biomass in rice crops

DA Jimenez-Sierra, ES Correa, HD Benítez-Restrepo… - Sensors, 2021 - mdpi.com
Traditional methods to measure spatio-temporal variations in above-ground biomass
dynamics (AGBD) predominantly rely on the extraction of several vegetation-index features …

[HTML][HTML] Kernelized multiview signed graph learning for single-cell RNA sequencing data

A Karaaslanli, S Saha, T Maiti, S Aviyente - BMC bioinformatics, 2023 - Springer
Background Characterizing the topology of gene regulatory networks (GRNs) is a
fundamental problem in systems biology. The advent of single cell technologies has made it …

An efficient alternating direction method for graph learning from smooth signals

X Wang, C Yao, H Lei, AMC So - ICASSP 2021-2021 IEEE …, 2021 - ieeexplore.ieee.org
We consider the problem of identifying the graph topology from a set of smooth graph
signals. A well-known approach to this problem is minimizing the Dirichlet energy …

Online graph learning under smoothness priors

SS Saboksayr, G Mateos… - 2021 29th European Signal …, 2021 - ieeexplore.ieee.org
The growing success of graph signal processing (GSP) approaches relies heavily on prior
identification of a graph over which network data admit certain regularity. However …

Sf-sgl: Solver-free spectral graph learning from linear measurements

Y Zhang, Z Zhao, Z Feng - IEEE Transactions on Computer …, 2022 - ieeexplore.ieee.org
This work introduces a highly scalable spectral graph densification (SGL) framework for
learning resistor networks with linear measurements, such as node voltages and currents …

Bayesian graph convolutional neural networks using non-parametric graph learning

S Pal, F Regol, M Coates - arXiv preprint arXiv:1910.12132, 2019 - arxiv.org
Graph convolutional neural networks (GCNN) have been successfully applied to many
different graph based learning tasks including node and graph classification, matrix …