Athanasios A. Rontogiannis

National Technical University of Athens — Greece

Computer Science · Physical Sciences

23h-index2.0kcitations139works0.32yr avg
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Research Topics

Blind Source Separation Techniques(35), Advanced Wireless Communication Techniques(33), Advanced Adaptive Filtering Techniques(30), Remote-Sensing Image Classification(26), Sparse and Compressive Sensing Techniques(25)

Publications139 total

Robustness intervals for competing risks analysis with causes of failure missing not at random
arXiv (Cornell University)·2025Open Access
An Approximate Deep Equilibrium Scheme for Trainable Nonnegative Matrix Factorization
2025
Robust Rank-Revealing Block-Term Decomposition and Hyperspectral Image Denoising
2024
Hyperspectral Image Denoising by Jointly Using Variational Bayes Matrix Factorization and Deep Image Prior
2024· 1 cited
Online rank-revealing block-term tensor decomposition
Signal Processing·2023· 14 cited
TACTICIAN: AI-based applications knowledge extraction from ESA’s mission scientific publications
2023Open Access
Convolutional Neural Networks for Automated ULF Wave Classification in Swarm Time Series
Atmosphere·2022· 10 citedOpen Access
A Projected Newton-type Algorithm for Rank - revealing Nonnegative Block - Term Tensor Decomposition
2022 30th European Signal Processing Conference (EUSIPCO)·2022· 5 cited
Block-Term Tensor Decomposition Model Selection and Computation: The Bayesian Way
IEEE Transactions on Signal Processing·2022· 31 citedOpen Access
Online Rank-Revealing Block-Term Tensor Decomposition
2021 55th Asilomar Conference on Signals, Systems, and Computers·2021· 12 cited
A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation
2021 29th European Signal Processing Conference (EUSIPCO)·2021· 4 cited
Online Rank-Revealing Block-Term Tensor Decomposition
arXiv (Cornell University)·2021Open Access
Rank-Revealing Block-Term Decomposition for Tensor Completion
2021· 13 cited
A Machine Learning technique for ULF wave classification in Swarm magnetic field measurements
2021Open Access
Block-Term Tensor Decomposition: Model Selection and Computation
IEEE Journal of Selected Topics in Signal Processing·2021· 34 citedOpen Access
Block-Term Tensor Decomposition: Model Selection and Computation
2020· 11 cited
A novel variational form of the Schatten-$p$ quasi-norm
arXiv (Cornell University)·2020Open Access
A Deep Learning Technique for Automated Detection of ULF Waves in Swarm Time Series
2020Open Access
Online Reweighted Least Squares Robust PCA
IEEE Signal Processing Letters·2020· 10 citedOpen Access
A Projected Newton-type Algorithm for Nonnegative Matrix Factorization with Model Order Selection
2019· 3 cited
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Frequent Co-authors

Konstantinos Koutroumbas(14), Kostas Berberidis(14), Eleftherios Kofidis(10), Paris V. Giampouras(10), Sergios Theodoridis(8), P. Takis Mathiopoulos(6), Konstantinos E. Themelis(5), Petros S. Bithas(4), Spyridoula D. Xenaki(4), George A. Ropokis(4), George K. Karagiannidis(3), Dimitrios Katselis(3), Nikos C. Sagias(2), Vassilis Kekatos(2), Aris S. Lalos(2), Olga Sykioti(2), Ioannis A. Daglis(2), A. Marava(2), Christos G. Tsinos(1), Frédéric Schmidt(1)