Athanasios A. Rontogiannis

ORCID

Publication Activity (10 Years)

Years Active: 1995-2023
Publications (10 Years): 37

Top Venues

CoRR

EUSIPCO

ICASSP

IEEE Trans. Signal Process.

Publications

Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
Online rank-revealing block-term tensor decomposition. Signal Process. 212 (2023)
Eleftherios Kofidis, Paris V. Giampouras, Athanasios A. Rontogiannis
A Projected Newton-type Algorithm for Rank - revealing Nonnegative Block - Term Tensor Decomposition. EUSIPCO (2022)
Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis
Block-Term Tensor Decomposition Model Selection and Computation: The Bayesian Way. IEEE Trans. Signal Process. 70 (2022)
Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis
A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation. CoRR (2021)
Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis
A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation. EUSIPCO (2021)
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
Online Rank-Revealing Block-Term Tensor Decomposition. CoRR (2021)
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
Block-Term Tensor Decomposition: Model Selection and Computation. IEEE J. Sel. Top. Signal Process. 15 (3) (2021)
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
Online Rank-Revealing Block-Term Tensor Decomposition. ACSCC (2021)
Athanasios A. Rontogiannis, Paris V. Giampouras, Eleftherios Kofidis
Rank-Revealing Block-Term Decomposition for Tensor Completion. ICASSP (2021)
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
Block-Term Tensor Decomposition: Model Selection and Computation. CoRR (2020)
Athanasios A. Rontogiannis, Paris V. Giampouras, Konstantinos D. Koutroumbas
Online Reweighted Least Squares Robust PCA. IEEE Signal Process. Lett. 27 (2020)
Paris Giampouras, René Vidal, Athanasios A. Rontogiannis, Benjamin D. Haeffele
A novel variational form of the Schatten-p quasi-norm. CoRR (2020)
Paris Giampouras, René Vidal, Athanasios A. Rontogiannis, Benjamin D. Haeffele
A novel variational form of the Schatten-$p$ quasi-norm. NeurIPS (2020)
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
Block-Term Tensor Decomposition: Model Selection and Computation. EUSIPCO (2020)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
A Projected Newton-type Algorithm for Nonnegative Matrix Factorization with Model Order Selection. ICASSP (2019)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Alternating Iteratively Reweighted Least Squares Minimization for Low-Rank Matrix Factorization. IEEE Trans. Signal Process. 67 (2) (2019)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
Generalized Adaptive Possibilistic C-Means Clustering Algorithm. SETN (2018)
Konstantinos D. Koutroumbas, Spyridoula D. Xenaki, Athanasios A. Rontogiannis
On the Convergence of the Sparse Possibilistic C-Means Algorithm. IEEE Trans. Fuzzy Syst. 26 (1) (2018)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
A Novel Online Generalized Possibilistic Clustering Algorithm for Big Data Processing. EUSIPCO (2018)
Ioannis C. Tsaknakis, Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
A Computationally Efficient Tensor Completion Algorithm. IEEE Signal Process. Lett. 25 (8) (2018)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Robust PCA via Alternating Iteratively Reweighted Low-Rank Matrix Factorization. ICIP (2018)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Low-rank and sparse NMF for joint endmembers' number estimation and blind unmixing of hyperspectral images. EUSIPCO (2017)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Low-rank and Sparse NMF for Joint Endmembers' Number Estimation and Blind Unmixing of Hyperspectral Images. CoRR (2017)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Alternating Iteratively Reweighted Minimization Algorithms for Low-Rank Matrix Factorization. CoRR (2017)
Christos G. Tsinos, Athanasios A. Rontogiannis, Kostas Berberidis
Distributed Blind Hyperspectral Unmixing via Joint Sparsity and Low-Rank Constrained Non-Negative Matrix Factorization. IEEE Trans. Computational Imaging 3 (2) (2017)
Eleftheria A. Mylona, Olga A. Sykioti, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
Spectral Unmixing-Based Clustering of High-Spatial Resolution Hyperspectral Imagery. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 10 (8) (2017)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos D. Koutroumbas
Online sparse and low-rank subspace learning from incomplete data: A Bayesian view. Signal Process. 137 (2017)
Petros S. Bithas, Athanasios A. Rontogiannis
User selection scheme with limited feedback processing and outdated CSI in multiuser relay networks. Wirel. Commun. Mob. Comput. 16 (16) (2016)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
Hyperspectral image clustering using a novel efficient online possibilistic algorithm. EUSIPCO (2016)
Paris V. Giampouras, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Online low-rank subspace learning from incomplete data using rank revealing ℓ2/ℓ1 regularization. SSP (2016)
Petros S. Bithas, Athanasios A. Rontogiannis, George K. Karagiannidis
An Improved Threshold-Based Channel Selection Scheme for Wireless Communication Systems. IEEE Trans. Wirel. Commun. 15 (2) (2016)
Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Simultaneously Sparse and Low-Rank Abundance Matrix Estimation for Hyperspectral Image Unmixing. IEEE Trans. Geosci. Remote. Sens. 54 (8) (2016)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Variational Bayes Group Sparse Time-Adaptive Parameter Estimation With Either Known or Unknown Sparsity Pattern. IEEE Trans. Signal Process. 64 (12) (2016)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
A Novel Adaptive Possibilistic Clustering Algorithm. IEEE Trans. Fuzzy Syst. 24 (4) (2016)
George A. Ropokis, Miltiades C. Filippou, Athanasios A. Rontogiannis, Luiz A. DaSilva, Nicola Marchetti, Valerio Frascolla, P. Takis Mathiopoulos
Optimal sensing and power allocation in pilot-aided shared access systems: A BER minimization approach. SPAWC (2016)
Spyridoula D. Xenaki, Konstantinos D. Koutroumbas, Athanasios A. Rontogiannis
Sparsity-Aware Possibilistic Clustering Algorithms. IEEE Trans. Fuzzy Syst. 24 (6) (2016)
Konstantinos Koutroumbas, Spyridoula D. Xenaki, Athanasios A. Rontogiannis
Detecting hyperplane clusters with adaptive possibilistic clustering. SETN (2016)
Paris Giampouras, Konstantinos Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
Simultaneously sparse and low-rank abundance matrix estimation for hyperspectral image unmixing. CoRR (2015)
Petros S. Bithas, Athanasios A. Rontogiannis
Mobile Communication Systems in the Presence of Fading/Shadowing, Noise and Interference. IEEE Trans. Commun. 63 (3) (2015)
Paris Giampouras, Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos Koutroumbas
Online Bayesian low-rank subspace learning from partial observations. EUSIPCO (2015)
Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
Hyperspectral image unmixing via simultaneously sparse and low rank abundance matrix estimation. WHISPERS (2015)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
Online Bayesian group sparse parameter estimation using a generalized inverse Gaussian Markov chain. EUSIPCO (2015)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
Sparsity-aware Possibilistic Clustering Algorithms. CoRR (2015)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis, Olga A. Sykioti
A new sparsity-aware feature selection method for hyperspectral image clustering. IGARSS (2015)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
On the convergence of the sparse possibilistic c-means algorithm. CoRR (2015)
Eleftheria A. Mylona, Olga A. Sykioti, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
Joint spectral unmixing and clustering for identifying homogeneous regions in hyperspectral images. IGARSS (2015)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis, Olga Sykioti
A layered sparse adaptive possibilistic approach for hyperspectral image clustering. IGARSS (2014)
Paris V. Giampouras, Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos D. Koutroumbas
A variational Bayes algorithm for joint-sparse abundance estimation. WHISPERS (2014)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
A Variational Bayes Framework for Sparse Adaptive Estimation. IEEE Trans. Signal Process. 62 (18) (2014)
Petros S. Bithas, Athanasios A. Rontogiannis, Kostas Berberidis
SINR analysis of cognitive underlay systems with multiple primary transceivers in Nakagami-m fading. WiMob (2014)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
Sparse adaptive possibilistic clustering. ICASSP (2014)
Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
Preamble-based channel estimation in single-relay networks using FBMC/OQAM. EURASIP J. Adv. Signal Process. 2014 (2014)
Petros S. Bithas, Athanasios A. Rontogiannis
Analysis of Threshold-Based Selection Diversity Receivers. VTC Fall (2014)
Petros S. Bithas, Athanasios A. Rontogiannis
Performance analysis of cooperative networks in shadowed fading with co-channel interference. PIMRC (2014)
Christos Mavrokefalidis, Athanasios A. Rontogiannis, Eleftherios Kofidis, A. Beikos, Sergios Theodoridis
Efficient adaptive equalization of doubly dispersive channels in MIMO-FBMC/OQAM systems. ISWCS (2014)
Petros S. Bithas, Athanasios A. Rontogiannis
Mobile Communication Systems in the Presence of Fading/Shadowing, Noise and Interference. CoRR (2014)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
Sequential Sparse Adaptive Possibilistic Clustering. SETN (2014)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
Group-sparse adaptive variational Bayes estimation. EUSIPCO (2014)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
A Novel Adaptive Possibilistic Clustering Algorithm. CoRR (2014)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
Adaptive variational sparse Bayesian estimation. ICASSP (2014)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
Variational Bayesian sparse adaptive filtering using a Gauss-Seidel recursive approach. EUSIPCO (2013)
Eleftherios Kofidis, Dimitrios Katselis, Athanasios A. Rontogiannis, Sergios Theodoridis
Preamble-based Channel Estimation in OFDM/OQAM Systems: A Review CoRR (2013)
Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
Optimal training design for channel estimation in OFDM/OQAM cooperative systems. SPAWC (2013)
Eleftherios Kofidis, Dimitrios Katselis, Athanasios A. Rontogiannis, Sergios Theodoridis
Preamble-based channel estimation in OFDM/OQAM systems: A review. Signal Process. 93 (7) (2013)
Athanasios A. Rontogiannis, Konstantinos Themelis, Olga Sykioti, Konstantinos Koutroumbas
A fast variational Bayes algorithm for sparse semi-supervised unmixing of OMEGA/Mars express data. WHISPERS (2013)
Petros S. Bithas, Athanasios A. Rontogiannis
Performance analysis of mobile communication networks in the presence of composite fading, noise and interference. ISSPIT (2013)
Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
Preamble Design for Channel Estimation in OFDM/OQAM Cooperative Systems. ISWCS (2013)
Spyridoula D. Xenaki, Konstantinos Koutroumbas, Athanasios A. Rontogiannis
Adaptive possibilistic clustering. ISSPIT (2013)
Constantinos Rizogiannis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
Adaptive BLAST-type decision-feedback equalizers for DS-CDMA systems. Signal Process. 92 (4) (2012)
Konstantinos Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
A Novel Hierarchical Bayesian Approach for Sparse Semisupervised Hyperspectral Unmixing. IEEE Trans. Signal Process. 60 (2) (2012)
Ioannis A. Daglis, Olga Sykioti, Anastasios Anastasiadis, Georgios Balasis, Iphigenia Keramitsoglou, Dimitris Paronis, Athanasios A. Rontogiannis, Sotiris Diamantopoulos
Space Mission Characteristics and Requirements to be Addressed by Space-Data Router Enhancement of Space-Data Exploitation. WWIC (2012)
Athanasios A. Rontogiannis, Konstantinos E. Themelis, Konstantinos Koutroumbas
A fast algorithm for the Bayesian adaptive lasso. EUSIPCO (2012)
George A. Ropokis, Athanasios A. Rontogiannis, Kostas Berberidis
BER Performance Analysis of Cooperative DaF Relay Networks and a New Optimal DaF Strategy. IEEE Trans. Wirel. Commun. 10 (4) (2011)
Konstantinos E. Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
Sparse semi-supervised hyperspectral unmixing using a novel iterative Bayesian inference algorithm. EUSIPCO (2011)
Aris S. Lalos, Evangelos Vlachos, Kostas Berberidis, Athanasios A. Rontogiannis
Greedy algorithms for sparse adaptive decision feedback equalization. ISSPIT (2011)
Christos Mavrokefalidis, Athanasios A. Rontogiannis, Kostas Berberidis
Training design in single relay AF cooperative systems with correlated channels. ICASSP (2011)
Eleftherios Kofidis, Athanasios A. Rontogiannis
Adaptive BLAST decision-feedback equalizer for MIMO-FBMC/OQAM systems. PIMRC (2010)
Aris S. Lalos, Athanasios A. Rontogiannis, Kostas Berberidis
Frequency domain channel estimation for cooperative communication networks. IEEE Trans. Signal Process. 58 (6) (2010)
Konstantinos Themelis, Athanasios A. Rontogiannis, Konstantinos Koutroumbas
Semi-Supervised Hyperspectral Unmixing via the Weighted Lasso. ICASSP (2010)
George A. Ropokis, Athanasios A. Rontogiannis, P. Takis Mathiopoulos, Kostas Berberidis
An Exact Performance Analysis of MRC / OSTBC over Generalized Fading Channels. IEEE Trans. Commun. 58 (9) (2010)
Dimitrios Katselis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
Preamble-based channel estimation for CP-OFDM and OFDM/OQAM systems: a comparative study. IEEE Trans. Signal Process. 58 (5) (2010)
Dimitrios Katselis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
Preamble-Based Channel Estimation for CP-OFDM and OFDM/OQAM Systems: A Comparative Study CoRR (2009)
Vassilis Dalakas, Athanasios A. Rontogiannis, P. Takis Mathiopoulos
Time domain constellation shaping technique for peak-to-average power ratio reduction. IET Commun. 3 (7) (2009)
Christos Mavrokefalidis, Kostas Berberidis, Athanasios A. Rontogiannis
Semi-blind channel estimation schemes based on a cooperative form of the cross relation criterion. ISWPC (2008)
George A. Ropokis, Athanasios A. Rontogiannis, P. Takis Mathiopoulos
Quadratic forms in normal RVs: theory and applications to OSTBC over hoyt fading channels. IEEE Trans. Wirel. Commun. 7 (12-1) (2008)
Aris S. Lalos, Athanasios A. Rontogiannis, Kostas Berberidis
Channel estimation techniques for half-duplex cooperative communication systems. ISWPC (2008)
Konstantinos Themelis, Athanasios A. Rontogiannis
A soft constrained MAP estimator for supervised hyperspectral signal unmixing. EUSIPCO (2008)
George A. Ropokis, Athanasios A. Rontogiannis, P. Takis Mathiopoulos
Performance Analysis of Orthogonal Space Time Block Coding over Hoyt Fading Channels. GLOBECOM (2007)
Vassilis Kekatos, Kostas Berberidis, Athanasios A. Rontogiannis
A Block Adaptive Frequency Domain MIMO DFE for Wideband Channels. ICASSP (3) (2007)
Vassilis Kekatos, Athanasios A. Rontogiannis, Kostas Berberidis
Cholesky Factorization-Based Adaptive BLAST DFE for Wideband MIMO Channels. EURASIP J. Adv. Signal Process. 2007 (2007)
Athanasios A. Rontogiannis, Vassilis Kekatos, Kostas Berberidis
A square-root adaptive V-BLAST algorithm for fast time-varying MIMO channels. IEEE Signal Process. Lett. 13 (5) (2006)
Athanasios A. Rontogiannis, Vassilis Kekatos, Kostas Berberidis
A Square-Root Adaptive V-BLAST Algorithm for Fast Time-Varying MIMO Channels. ICC (2006)
Petros S. Bithas, Nikos C. Sagias, P. Takis Mathiopoulos, George K. Karagiannidis, Athanasios A. Rontogiannis
On the performance analysis of digital communications over generalized-K fading channels. IEEE Commun. Lett. 10 (5) (2006)
Vassilis Kekatos, Athanasios A. Rontogiannis, Kostas Berberidis
A Robust Parametric Technique for Multipath Channel Estimation in the Uplink of a DS-CDMA System. EURASIP J. Wirel. Commun. Netw. 2006 (2006)
Athanasios A. Rontogiannis, Kostas Berberidis, Alexandra Marava, Jacques Palicot
Efficient semi-blind estimation of multipath channel parameters via a delay decoupling optimization approach. Signal Process. 85 (12) (2005)
Petros S. Bithas, Nikolaos C. Sagias, P. Takis Mathiopoulos, George K. Karagiannidis, Athanasios A. Rontogiannis
Digital Communications over Generalized-K Fading Channels. ISWCS (2005)
Athanasios A. Rontogiannis, Alexandra Marava, Kostas Berberidis, Jacques Palicot
Efficient multipath channel estimation using a semi-blind parametric technique. ICASSP (4) (2003)
Athanasios A. Rontogiannis, Kostas Berberidis
Efficient decision feedback equalization for sparse wireless channels. IEEE Trans. Wirel. Commun. 2 (3) (2003)
Athanasios A. Rontogiannis, Alexandra Marava, Kostas Berberidis, Jacques Palicot
Semi-blind estimation of multipath channel parameters via a separable least squares approach. DSP (2002)
Athanasios A. Rontogiannis, Nicholas Kalouptsidis
Adaptive digital filters [Book Review]. IEEE Trans. Autom. Control. 47 (5) (2002)

Athanasios A. Rontogiannis.css-eqlu8i{font-size:small;padding-left:4px;}

Publication Activity (10 Years)

Top Topics

Top Venues

Athanasios A. Rontogiannis