Department of Microelectronics
Faculty of Electrical Engineering, Mathematics, and Computer Science

Graph Signal Processing in Action

Publications

  1. Build With Precision: Bottom-Up Inference of Linear DAGs
    Ajorlou, Hamed; Rey, Samuel; Mateos, Gonzalo; Leus, Geert; Marques, Antonio G.;
    In 2026 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    pp. 446-450, 2026. DOI: 10.1109/ICASSP55912.2026.11462602

  2. Attentional Graph Neural Network is All You Need for Robust Massive Network Localization
    Wenzhong Yan; Feng Yin; Juntao Wang; Geert Leus; Abdelhak M. Zoubir; Yang Tian;
    IEEE J. Sel. Top. Signal Processing,
    Volume 19, Issue 7, pp. 1493-1513, 2025. DOI: 10.1109/JSTSP.2025.3590639
    document

  3. Topological signal processing and learning: Recent advances and future challenges
    Elvin Isufi; Geert Leus; Baltasar Beferull-Lozano; Sergio Barbarossa; Paolo Di Lorenzo;
    Signal Processing,
    Volume 233, pp. 109930, 2025. DOI: 10.1016/j.sigpro.2025.109930
    document

  4. Hodge-Aware Convolutional Learning on Simplicial Complexes
    Maosheng Yang; Geert Leus; Elvin Isufi;
    Transactions on Machine Learning Research,
    Volume 2025, 2025.
    document

  5. Directed Acyclic Hypergraphs: Topology Identification from Nodal Data
    Geert Leus; Yongsheng Han; Elvin Isufi; Antonio G. Marques;
    In 2025 59th Asilomar Conference on Signals, Systems, and Computers,
    pp. 176-181, 2025. DOI: 10.1109/IEEECONF67917.2025.11443873
    document

  6. Scalable Higher-Order Topology Identification from Nodal Observations
    Ruben Wijnands; Andrea Cavallo; Borbála Hunyadi; Elvin Isufi; Geert Leus;
    In 2025 IEEE 10th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP),
    pp. 101-105, 2025. DOI: 10.1109/CAMSAP66162.2025.11423970
    document

  7. Graph Topology Identification Based on Covariance Matching
    Yongsheng Han; Alberto Natali; Geert Leus;
    In IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    pp. 1-5, 2025. DOI: 10.1109/ICASSP49660.2025.10888599
    document

  8. Tracking Network Dynamics using Probabilistic State-Space Models
    Victor M. Tenorio; Elvin Isufi; Geert Leus; Antonio G. Marques;
    In IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    pp. 1-5, 2025. DOI: 10.1109/ICASSP49660.2025.10890647
    document

  9. A Generalization of the Convolution Theorem and Its Connections to Non-Stationarity and the Graph Frequency Domain
    Alberto Natali; Geert Leus;
    IEEE Trans. Signal Processing,
    Volume 72, pp. 3424-3437, 2024. DOI: 10.1109/TSP.2024.3423432
    document

  10. Unrolling of Simplicial ElasticNet for Edge Flow Signal Reconstruction
    Liu, Chengen; Leus, Geert; Isufi, Elvin;
    IEEE Open Journal of Signal Processing,
    Volume 5, pp. 186-194, 2024. DOI: 10.1109/OJSP.2023.3339376

  11. Blind Identification of Overlapping Communities from Nodal Observations
    Ruben Wijnands; Geert Leus; Borbála Hunyadi;
    In 2024 32nd European Signal Processing Conference (EUSIPCO),
    pp. 812-816, 2024.
    document

  12. Finding Representative Sampling Subsets on Graphs via Submodularity
    Tianyi Li; Geert Leus;
    In 2024 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    pp. 9601-9605, 2024. DOI: 10.1109/ICASSP48485.2024.10448026
    document

  13. Learning the Topology of a Simplicial Complex Using Simplicial Signals: A Greedy Approach
    Andrei Buciulea; Elvin Isufi; Geert Leus; Antonio G. Marques;
    In 2024 IEEE 13rd Sensor Array and Multichannel Signal Processing Workshop (SAM),
    pp. 1-5, 2024. DOI: 10.1109/SAM60225.2024.10636498
    document

  14. Graph Signal Processing: History, development, impact, and outlook
    Leus, Geert; Marques, Antonio G.; Moura, José M.F.; Ortega, Antonio; Shuman, David I;
    IEEE Signal Processing Magazine,
    Volume 40, Issue 4, pp. 49-60, 2023. DOI: 10.1109/MSP.2023.3262906

  15. Forecasting Graph Signals with Recursive MIMO Graph Filters
    Jelmer van der Hoeven; Alberto Natali; Geert Leus;
    In 31st European Signal Processing Conference (EUSIPCO),
    pp. 1843-1847, 2023. DOI: 10.23919/EUSIPCO58844.2023.10289997
    document

  16. Blind Polynomial Regression
    Alberto Natali; Geert Leus;
    In 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    pp. 1-5, 2023. DOI: 10.1109/ICASSP49357.2023.10095361
    document

  17. Learning Time-Varying Graphs From Online Data
    Natali, A.; Isufi, E.; Coutino, M.; Leus, G.;
    IEEE Open Journal of Signal Processing,
    Volume 3, pp. 212--228, 2022. DOI: 10.1109/OJSP.2022.3178901

  18. A Cascaded Structure for Generalized Graph Filters
    Coutino, M.; Leus, G.;
    IEEE Transactions on Signal Processing,
    Volume 70, pp. 3499--3513, 2022. DOI: 10.1109/TSP.2021.3099630

  19. Simplicial Convolutional Neural Networks
    Yang, Maosheng; Isufi, E.; Leus, G.;
    In Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    Singapore, pp. 8847--8851, May 2022. DOI: 10.1109/ICASSP43922.2022.9746017

  20. Dynamic Bi-Colored Graph Partitioning
    Yanbin He; Mario Coutino; Elvin Isufi; Geert Leus;
    In 30th European Signal Processing Conference (EUSIPCO),
    pp. 692-696, 2022.
    document

  21. The Dual Graph Shift Operator: Identifying the Support of the Frequency Domain
    G. Leus; S. Segarra; A. Ribeiro; A.G. Marques;
    Journal of Fourier Analysis and Applications,
    Volume 27, Issue 49, 2021.

  22. Node-Adaptive Regularization for Graph Signal Reconstruction
    Yang, Maosheng; Coutino, M.; Leus, G.; Isufi, E.;
    IEEE Open Journal of Signal Processing,
    Volume 2, pp. 85--98, 2021. DOI: 10.1109/OJSP.2021.3056897

  23. Online Graph Learning From Time-Varying Structural Equation Models
    Natali, A.; Isufi, E.; Coutino, M.; Leus, G.;
    In Proc. of Asilomar Conference on Signals, Systems, and Computers (Asilomar),
    Monterey, California, USA, pp. 1579--1585, October 2021. DOI: 10.1109/IEEECONF53345.2021.9723163

  24. Finite Impulse Response Filters for Simplicial Complexes
    Yang, Maosheng; Isufi, E.; Schaub, M.T.; Leus, G.;
    In Proc. of European Signal Processing Conference (EUSIPCO),
    Dublin, Ireland, pp. 2005--2009, August 2021. DOI: 10.23919/EUSIPCO54536.2021.9616185

  25. Topological Volterra Filters
    Leus, G.; Yang, Maosheng; Coutino, M.; Isufi, E.;
    In Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    Toronto, Ontario, Canada, pp. 5385--5399, June 2021. DOI: 10.1109/ICASSP39728.2021.9414275

  26. Online Time-Varying Topology Identification Via Prediction-Correction Algorithms
    Natali, A.; Coutino, M.; Isufi, E.; Leus, G.;
    In Proc. of IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP),
    Rio de Janeiro, Brazil, pp. 5400--5404, July 2021. DOI: 10.1109/ICASSP39728.2021.9415053

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