Stationary signal processing on graphs
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Abstract (arXiv)
Graphs are a central tool in machine learning and information processing as they allow to conveniently capture the structure of complex datasets. In this context, it is of high importance to develop flexible models of signals defined over graphs or networks. In this paper, we generalize the traditional concept of wide sense stationarity to signals defined over the vertices of arbitrary weighted undirected graphs. We show that stationarity is expressed through the graph localization operator reminiscent of translation. We prove that stationary graph signals are characterized by a well-defined Power Spectral Density that can be efficiently estimated even for large graphs. We leverage this new concept to derive Wiener-type estimation procedures of noisy and partially observed signals and illustrate the performance of this new model for denoising and regression.
Key facts. Cited by 28 papers in the map (data through 7 Oct 2026). First posted on arXiv 11 Jan 2016.
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Citing papers per year: 2020: 1; 2021: 4; 2022: 3; 2023: 4; 2024: 5; 2025: 5; 2026: 6.
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- 2022Graph Filters for Signal Processing and Machine Learning on Graphscited by 53
- 2022Wiener Graph Deconvolutional Network Improves Graph Self-Supervised Learningcited by 13
- 2020Synthesizing Decentralized Controllers with Graph Neural Networks and Imitation Learningcited by 12
- 2024Gegenbauer Graph Neural Networks for Time-varying Signal Reconstructioncited by 12
- 2024Polynomial Graphical Lasso: Learning Edges from Gaussian Graph-Stationary Signalscited by 8
- 2024Spatiotemporal Covariance Neural Networkscited by 8
- 2021Node-Variant Graph Filters in Graph Neural Networkscited by 7
- 2024Network Topology Inference from Smooth Signals Under Partial Observabilitycited by 2
- 2025Missing Data in Signal Processing and Machine Learning: Models, Methods and Modern Approachescited by 2
- 2021Propagation on Multi-relational Graphs for Node Regressioncited by 1
- 2023Learning Graph ARMA Processes from Time-Vertex Spectracited by 1
- 2023LogSpecT: Feasible Graph Learning Model from Stationary Signals with Recovery Guaranteescited by 1
16 more
- 2023Barron Space for Graph Convolution Neural Networkscited by 1
- 2026Stationarity and Spectral Characterization of Random Signals on Simplicial Complexescited by 1
- 2026Statistical Testing on Directed Graphs by Surrogate Data Generationcited by 1
- 2026Generative Diffusion Models of Stochastic Graph Signalscited by 1
- 2021Kernel-Based Models for Influence Maximization on Graphs based on Gaussian Process Variance Minimizationcited by 0
- 2021Online non-parametric change-point detection for heterogeneous data streams observed over graph nodescited by 0
- 2022Graph Filter Transfer via Probability Density Ratio Weightingcited by 0
- 2023Locally Stationary Graph Processescited by 0
- 2024Sampling Transferable Graph Neural Networks with Limited Graph Informationcited by 0
- 2025CoVariance Filters and Neural Networks over Hilbert Spacescited by 0
- 2025Sampling Method for Generalized Graph Signals with Pre-selected Vertices via DC Optimizationcited by 0
- 2025A Generative Model for Controllable Feature Heterophily in Graphscited by 0
- 2025Estimating Fair Graphs from Graph-Stationary Datacited by 0
- 2026Decorrelating the Future: Joint Frequency Domain Learning for Spatio-temporal Forecastingcited by 0
- 2026Filter Learning for Subgraphs: Algebras and Performance Risk Boundscited by 0
- 2026Role-Specific Predictive Geometries for Nonstationary Multivariate Graph-Signal Forecastingcited by 0
- 2026Role-Specific Predictive Geometries for Nonstationary Multivariate Graph-Signal Forecasting6 Sep 2026
- 2026Filter Learning for Subgraphs: Algebras and Performance Risk Bounds23 Jul 2026
- 2026Generative Diffusion Models of Stochastic Graph Signals7 Jul 2026
- 2026Statistical Testing on Directed Graphs by Surrogate Data Generation30 May 2026
- 2026Decorrelating the Future: Joint Frequency Domain Learning for Spatio-temporal Forecasting13 Feb 2026
- 2026Stationarity and Spectral Characterization of Random Signals on Simplicial Complexes3 Feb 2026
- 2025Estimating Fair Graphs from Graph-Stationary Data8 Oct 2025
- 2025A Generative Model for Controllable Feature Heterophily in Graphs27 Sep 2025
- 2025Sampling Method for Generalized Graph Signals with Pre-selected Vertices via DC Optimization18 Sep 2025
- 2025CoVariance Filters and Neural Networks over Hilbert Spaces16 Sep 2025
- 2025Missing Data in Signal Processing and Machine Learning: Models, Methods and Modern Approaches2 Jun 2025
- 2024Sampling Transferable Graph Neural Networks with Limited Graph Information22 Oct 2024
16 more
- 2024Network Topology Inference from Smooth Signals Under Partial Observability8 Oct 2024
- 2024Spatiotemporal Covariance Neural Networks16 Sep 2024
- 2024Polynomial Graphical Lasso: Learning Edges from Gaussian Graph-Stationary Signals3 Apr 2024
- 2024Gegenbauer Graph Neural Networks for Time-varying Signal Reconstruction28 Mar 2024
- 2023Barron Space for Graph Convolution Neural Networks6 Nov 2023
- 2023Locally Stationary Graph Processes4 Sep 2023
- 2023LogSpecT: Feasible Graph Learning Model from Stationary Signals with Recovery Guarantees2 May 2023
- 2023Learning Graph ARMA Processes from Time-Vertex Spectra14 Feb 2023
- 2022Graph Filters for Signal Processing and Machine Learning on Graphs16 Nov 2022
- 2022Graph Filter Transfer via Probability Density Ratio Weighting26 Oct 2022
- 2022Wiener Graph Deconvolutional Network Improves Graph Self-Supervised Learning26 Jun 2022
- 2021Online non-parametric change-point detection for heterogeneous data streams observed over graph nodes20 Oct 2021
- 2021Propagation on Multi-relational Graphs for Node Regression15 Oct 2021
- 2021Node-Variant Graph Filters in Graph Neural Networks31 May 2021
- 2021Kernel-Based Models for Influence Maximization on Graphs based on Gaussian Process Variance Minimization2 Mar 2021
- 2020Synthesizing Decentralized Controllers with Graph Neural Networks and Imitation Learning29 Dec 2020
- 2026Generative Diffusion Models of Stochastic Graph Signalscited by 1
- 2026Generative Diffusion Models of Stochastic Graph Signals7 Jul 2026
- 2022Graph Filters for Signal Processing and Machine Learning on Graphscited by 53
- 2022Wiener Graph Deconvolutional Network Improves Graph Self-Supervised Learningcited by 13
- 2024Gegenbauer Graph Neural Networks for Time-varying Signal Reconstructioncited by 12
- 2024Polynomial Graphical Lasso: Learning Edges from Gaussian Graph-Stationary Signalscited by 8
- 2024Spatiotemporal Covariance Neural Networkscited by 8
- 2021Node-Variant Graph Filters in Graph Neural Networkscited by 7
- 2024Network Topology Inference from Smooth Signals Under Partial Observabilitycited by 2
- 2025Missing Data in Signal Processing and Machine Learning: Models, Methods and Modern Approachescited by 2
- 2021Propagation on Multi-relational Graphs for Node Regressioncited by 1
- 2023Learning Graph ARMA Processes from Time-Vertex Spectracited by 1
- 2023LogSpecT: Feasible Graph Learning Model from Stationary Signals with Recovery Guaranteescited by 1
- 2023Barron Space for Graph Convolution Neural Networkscited by 1
12 most cited of 26 All 26 (JSON)
- 2026Role-Specific Predictive Geometries for Nonstationary Multivariate Graph-Signal Forecasting6 Sep 2026
- 2026Filter Learning for Subgraphs: Algebras and Performance Risk Bounds23 Jul 2026
- 2026Statistical Testing on Directed Graphs by Surrogate Data Generation30 May 2026
- 2026Decorrelating the Future: Joint Frequency Domain Learning for Spatio-temporal Forecasting13 Feb 2026
- 2026Stationarity and Spectral Characterization of Random Signals on Simplicial Complexes3 Feb 2026
- 2025Estimating Fair Graphs from Graph-Stationary Data8 Oct 2025
- 2025A Generative Model for Controllable Feature Heterophily in Graphs27 Sep 2025
- 2025Sampling Method for Generalized Graph Signals with Pre-selected Vertices via DC Optimization18 Sep 2025
- 2025CoVariance Filters and Neural Networks over Hilbert Spaces16 Sep 2025
- 2025Missing Data in Signal Processing and Machine Learning: Models, Methods and Modern Approaches2 Jun 2025
- 2024Sampling Transferable Graph Neural Networks with Limited Graph Information22 Oct 2024
- 2024Network Topology Inference from Smooth Signals Under Partial Observability8 Oct 2024
12 newest of 26 All 26 (JSON)