Eleftherios Kofidis

86 papers B 2C 2Misc 7Journal 42Unranked 32
YearRankTypeTitle / Venue / Authors
2026 J jnl
Coupled tensor train decomposition in federated learning.
Pattern Recognit.
Xiangtao Zhang, Eleftherios Kofidis, Ruituo Wu, Ce Zhu, Le Zhang, Yipeng Liu
2025 J jnl
Block-term tensor decomposition in array signal processing.
Digit. Signal Process.
Eleftherios Kofidis
2025 J jnl
Kernel Regression of Multi-Way Data via Tensor Trains with Hadamard Overparametrization: The Dynamic Graph Flow Case.
CoRR
Duc Thien Nguyen, Konstantinos Slavakis, Eleftherios Kofidis, Dimitris Pados
2025 — conf
On the Implementation of Semi-Blind Block-Term Decomposition-Based Receivers for Uniform Rectangular Arrays.
EUSIPCO
Eleftherios Kofidis
2025 — conf
Revisiting Semi-Blind Block-Term Decomposition-Based Receivers for Uniform Rectangular Arrays.
SSP
Eleftherios Kofidis
2024 Misc conf
Adaptive Joint Channel Estimation/Data Detection in Flexible Multicarrier Mimo Systems - A Tensor-Based Approach.
ICASSP
Eleftherios Kofidis
2024 — conf
Block-Term Tensor Decomposition in Array Signal Processing: Uniform Rectangular Arrays.
EUSIPCO
Eleftherios Kofidis
2024 J jnl
Federated Learning Using Coupled Tensor Train Decomposition.
CoRR
Xiangtao Zhang, Eleftherios Kofidis, Ce Zhu, Le Zhang, Yipeng Liu
2024 J jnl
On the tensor-based approach to adaptive joint channel estimation/data detection in flexible multicarrier MIMO systems.
Digit. Signal Process.
Eleftherios Kofidis
2024 C conf
Robust Rank-Revealing Block-Term Decomposition and Hyperspectral Image Denoising.
IGARSS
Eleftherios Kofidis, Athanasios A. Rontogiannis
2024 — conf
Tensor-based Trajectory Data Mining: A Block-Term Decomposition Approach.
SETN
Eleftherios Kofidis
2023 J jnl
Online rank-revealing block-term tensor decomposition.
Signal Process.
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
2022 — conf
A Projected Newton-type Algorithm for Rank - revealing Nonnegative Block - Term Tensor Decomposition.
EUSIPCO
Eleftherios Kofidis, Paris V. Giampouras, Athanasios A. Rontogiannis
2022 J jnl
Block-Term Tensor Decomposition Model Selection and Computation: The Bayesian Way.
IEEE Trans. Signal Process.
Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis
2022 — conf
Channel Tracking for RIS-Enabled Multi-User SIMO Systems in Time-Varying Wireless Channels.
ICC Workshops
Jide Yuan, George C. Alexandropoulos, Eleftherios Kofidis, Tobias Lindstrøm Jensen, Elisabeth de Carvalho
2022 J jnl
Joint CFO and highly frequency selective channel estimation in FBMC/OQAM systems.
Digit. Signal Process.
Mokhtar Besseghier, Ahmed Bouzidi Djebbar, Eleftherios Kofidis
2022 J jnl
Tensor-based Channel Tracking for RIS-Empowered Multi-User MIMO Wireless Systems.
CoRR
Jide Yuan, George C. Alexandropoulos, Eleftherios Kofidis, Tobias Lindstrøm Jensen, Elisabeth de Carvalho
2021 — conf
A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation.
EUSIPCO
Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis
2021 J jnl
A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation.
CoRR
Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis
2021 J jnl
Block-Term Tensor Decomposition: Model Selection and Computation.
IEEE J. Sel. Top. Signal Process.
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
2021 B conf
On Preamble-based FBMC/OQAM Highly Frequency Selective Channel Estimation Without Guard Symbols.
GLOBECOM
Eleftherios Kofidis
2021 — conf
Online Rank-Revealing Block-Term Tensor Decomposition.
ACSCC
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
2021 J jnl
Online Rank-Revealing Block-Term Tensor Decomposition.
CoRR
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
2021 Misc conf
Rank-Revealing Block-Term Decomposition for Tensor Completion.
ICASSP
Athanasios A. Rontogiannis, Paris V. Giampouras, Eleftherios Kofidis
2020 J jnl
A Tensor-Based Approach to Joint Channel Estimation/Data Detection in Flexible Multicarrier MIMO Systems.
IEEE Trans. Signal Process.
Eleftherios Kofidis
2020 — conf
Block-Term Tensor Decomposition: Model Selection and Computation.
EUSIPCO
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
2020 J jnl
Block-Term Tensor Decomposition: Model Selection and Computation.
CoRR
Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras
2020 J jnl
Early soft and flexible fusion of EEG and fMRI via tensor decompositions.
CoRR
Christos Chatzichristos, Eleftherios Kofidis, Lieven De Lathauwer, Sergios Theodoridis, Sabine Van Huffel
2020 J jnl
Filter bank-based multiple access in next-generation satellite uplinks: A DVB-RCS2-based experimental study.
Int. J. Satell. Commun. Netw.
Vassilis Dalakas, Eleftherios Kofidis
2019 — conf
Filter Bank-based Multiple Access in Next Generation Satellite Uplinks: A DVB-RCS2-based Experimental Study.
5G World Forum
Eleftherios Kofidis, Vassilis Dalakas
2019 — conf
Tensor-based Blind fMRI Source Separation Without the Gaussian Noise Assumption - A β-Divergence Approach.
GlobalSIP
Christos Chatzichristos, Michiel Vandecappelle, Eleftherios Kofidis, Sergios Theodoridis, Lieven De Lathauwer, Sabine Van Huffel
2018 — conf
Fusion of EEG and fMRI via Soft Coupled Tensor Decompositions.
EUSIPCO
Christos Chatzichristos, Mike Davies, Javier Escudero, Eleftherios Kofidis, Sergios Theodoridis
2017 Misc conf
Assisted dictionary learning for FMRI data analysis.
ICASSP
Manuel Morante Moreno, Yannis Kopsinis, Eleftherios Kofidis, Christos Chatzichristos, Sergios Theodoridis
2017 Misc conf
Coupled matrix-tensor factorizations - The case of partially shared factors.
ACSSC
Lieven De Lathauwer, Eleftherios Kofidis
2017 — conf
Higher-Order Block Term Decomposition for Spatially Folded fMRI Data.
LVA/ICA
Christos Chatzichristos, Eleftherios Kofidis, Yiannis Kopsinis, Manuel Morante Moreno, Sergios Theodoridis
2017 — conf
Joint channel estimation / data detection in MIMO-FBMC/OQAM systems - A tensor-based approach.
EUSIPCO
Eleftherios Kofidis, Christos Chatzichristos, André Lima Férrer de Almeida
2017 — conf
PARAFAC2 and its block term decomposition analog for blind fMRI source unmixing.
EUSIPCO
Christos Chatzichristos, Eleftherios Kofidis, Sergios Theodoridis
2017 J jnl
Preamble-Based Estimation of Highly Frequency Selective Channels in FBMC/OQAM Systems.
IEEE Trans. Signal Process.
Eleftherios Kofidis
2016 J jnl
A Unified Multicarrier Modulation Framework.
CoRR
Konstantinos N. Maliatsos, Eleftherios Kofidis, Athanasios G. Kanatas
2016 J jnl
Blind Source Separation: Fundamentals and Recent Advances (A Tutorial Overview Presented at SBrT-2001).
CoRR
Eleftherios Kofidis
2016 — conf
Generalized optimal pilot allocation for channel estimation in multicarrier systems.
SPAWC
François Rottenberg, François Horlin, Eleftherios Kofidis, Jérôme Louveaux
2016 J jnl
Higher-Order Block Term Decomposition for Spatially Folded fMRI Data.
CoRR
Christos Chatzichristos, Eleftherios Kofidis, Giannis Kopsinis, Sergios Theodoridis
2016 J jnl
Joint Channel Estimation / Data Detection in MIMO-FBMC/OQAM Systems - A Tensor-Based Approach.
CoRR
Eleftherios Kofidis, Christos Chatzichristos, André L. F. de Almeida
2016 J jnl
MIMO Signal Processing in Offset-QAM Based Filter Bank Multicarrier Systems.
IEEE Trans. Signal Process.
Ana I. Pérez-Neira, Màrius Caus, Rostom Zakaria, Didier Le Ruyet, Eleftherios Kofidis, Martin Haardt, Xavier Mestre, Yao Cheng
2016 Misc conf
Pilot-based channel estimation for FBMC/OQAM systems under strong frequency selectivity.
ICASSP
Xavier Mestre, Eleftherios Kofidis
2015 — conf
On optimal multi-symbol preambles for highly frequency selective FBMC/OQAM channel estimation.
ISWCS
Eleftherios Kofidis
2015 — conf
Preamble-based channel estimation in asynchronous FBMC-OQAM distributed MIMO systems.
ISWCS
François Rottenberg, Yahia Medjahdi, Eleftherios Kofidis, Jérôme Louveaux
2014 — conf
Channel estimation in filter bank-based multicarrier systems: Challenges and solutions.
ISCCSP
Eleftherios Kofidis
2014 — conf
Efficient adaptive equalization of doubly dispersive channels in MIMO-FBMC/OQAM systems.
ISWCS
Christos Mavrokefalidis, Athanasios A. Rontogiannis, Eleftherios Kofidis, Antonios Beikos, Sergios Theodoridis
2014 J jnl
Preamble-based channel estimation in single-relay networks using FBMC/OQAM.
EURASIP J. Adv. Signal Process.
Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
2014 Misc conf
Short preamble-based estimation of highly frequency selective channels in FBMC/OQAM.
ICASSP
Eleftherios Kofidis
2013 — conf
Optimal training design for channel estimation in OFDM/OQAM cooperative systems.
SPAWC
Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
2013 — conf
Preamble Design for Channel Estimation in OFDM/OQAM Cooperative Systems.
ISWCS
Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
2013 J jnl
Preamble-based Channel Estimation in OFDM/OQAM Systems: A Review
CoRR
Eleftherios Kofidis, Dimitrios Katselis, Athanasios A. Rontogiannis, Sergios Theodoridis
2013 J jnl
Preamble-based Channel Estimation in OFDM/OQAM Systems: A Time-Domain Approach.
CoRR
Eleftherios Kofidis
2013 J jnl
Preamble-based channel estimation in OFDM/OQAM systems: A review.
Signal Process.
Eleftherios Kofidis, Dimitrios Katselis, Athanasios A. Rontogiannis, Sergios Theodoridis
2012 J jnl
Adaptive BLAST-type decision-feedback equalizers for DS-CDMA systems.
Signal Process.
Constantinos Rizogiannis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
2012 — conf
On OFDM/OQAM receivers.
EUSIPCO
Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis
2011 — conf
Improved interference approximation method for preamble-based channel estimation in FBMC/OQAM.
EUSIPCO
Eleftherios Kofidis, Dimitrios Katselis
2011 — conf
On preamble-based channel estimation in OFDM/OQAM systems.
EUSIPCO
Dimitrios Katselis, Mats Bengtsson, Cristian R. Rojas, Håkan Hjalmarsson, Eleftherios Kofidis
2011 — conf
Preamble-based channel estimation in MIMO-OFDM/OQAM systems.
ICSIPA
Eleftherios Kofidis, Dimitrios Katselis
2010 B conf
Adaptive BLAST decision-feedback equalizer for MIMO-FBMC/OQAM systems.
PIMRC
Eleftherios Kofidis, Athanasios A. Rontogiannis
2010 J jnl
Preamble-based channel estimation for CP-OFDM and OFDM/OQAM systems: a comparative study.
IEEE Trans. Signal Process.
Dimitrios Katselis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
2010 J jnl
Semi-blind maximum-likelihood joint channel/data estimation for correlated channels in multiuser MIMO networks.
Signal Process.
Constantinos Rizogiannis, Eleftherios Kofidis, Constantinos B. Papadias, Sergios Theodoridis
2009 J jnl
Preamble-Based Channel Estimation for CP-OFDM and OFDM/OQAM Systems: A Comparative Study
CoRR
Dimitrios Katselis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis
2008 J jnl
On Training Optimization for Estimation of Correlated MIMO Channels in the Presence of Multiuser Interference.
IEEE Trans. Signal Process.
Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis
2007 C conf
Training-Based Estimation of Correlated MIMO Fading Channels in the Presence of Colored Interference.
ISCAS
Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis
2007 J jnl
Training-based estimation of correlated MIMO fading channels in the presence of colored interference.
Signal Process.
Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis
2006 J jnl
A Novel Efficient Cluster-Based MLSE Equalizer for Satellite Communication Channels with M-QAM Signaling.
EURASIP J. Adv. Signal Process.
Eleftherios Kofidis, Vassilis Dalakas, Yannis Kopsinis, Sergios Theodoridis
2006 J jnl
An efficient low complexity cluster-based MLSE equalizer for frequency-selective fading channels.
IEEE Trans. Wirel. Commun.
Yannis Kopsinis, Sergios Theodoridis, Eleftherios Kofidis
2006 J jnl
On the least-squares performance of a novel efficient center estimation method for clustering-based MLSE equalization.
IEEE Trans. Signal Process.
Eleftherios Kofidis, Yannis Kopsinis, Sergios Theodoridis
2005 J jnl
Designing N-band biorthogonal FIR systems given several of the analysis and synthesis filters.
Signal Process.
Eleftherios Kofidis
2004 — conf
An efficient low complexity clustering-based MLSE equalizer for frequency-selective fading channels.
EUSIPCO
Yannis Kopsinis, Sergios Theodoridis, Eleftherios Kofidis
2004 — conf
On the least squares performance of a novel efficient center estimation method for clustering-based MLSE equalization.
EUSIPCO
Eleftherios Kofidis, Yannis Kopsinis, Sergios Theodoridis
2003 J jnl
Monotonic convergence of fixed-point algorithms for ICA.
IEEE Trans. Neural Networks
Phillip A. Regalia, Eleftherios Kofidis
2002 J jnl
On the Best Rank-1 Approximation of Higher-Order Supersymmetric Tensors.
SIAM J. Matrix Anal. Appl.
Eleftherios Kofidis, Phillip A. Regalia
2000 — conf
A "unimodal" blind equalization criterion.
EUSIPCO
Phillip A. Regalia, Eleftherios Kofidis
2000 — conf
Design of biorthogonal multi-band FIR filter banks given several of the analysis and synthesis filters.
EUSIPCO
Eleftherios Kofidis, Phillip A. Regalia
2000 Misc conf
The higher-order power method revisited: convergence proofs and effective initialization.
ICASSP
Phillip A. Regalia, Eleftherios Kofidis
1999 J jnl
Wavelet-based medical image compression.
Future Gener. Comput. Syst.
Eleftherios Kofidis, Nicholas Kolokotronis, Aliki Vassilarakou, Sergios Theodoridis, Dionisis A. Cavouras
1998 J jnl
Mirror-image symmetric perfect-reconstruction FIR filter banks: Parametrization and design.
Signal Process.
Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis
1996 J jnl
Nonlinear adaptive filters for speckle suppression in ultrasonic images.
Signal Process.
Eleftherios Kofidis, Sergios Theodoridis, Constantine Kotropoulos, Ioannis Pitas
1996 — conf
On perfect-reconstruction FIR filter banks.
EUSIPCO
Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis
1996 J jnl
On the perfect reconstruction problem in N-band multirate maximally decimated FIR filter banks.
IEEE Trans. Signal Process.
Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis
1996 — conf
Perfect-reconstruction FIR filter banks with mirror-image symmetry.
ICECS
Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis
1996 — —
ΣΥΣΤΟΙΧΙΕΣ ΦΙΛΤΡΩΝ ΓΙΑ ΕΠΕΞΕΡΓΑΣΙΑ ΣΗΜΑΤΟΣ ΚΑΙ ΕΙΚΟΝΑΣ
Eleftherios Kofidis