On perfect-reconstruction FIR filter banks. - Eleftherios Kofidis; Sergios Theodoridis; Nicholas Kalouptsidis (EUSIPCO, 1996)

Perfect-reconstruction FIR filter banks with mirror-image symmetry. - Eleftherios Kofidis; Sergios Theodoridis; Nicholas Kalouptsidis (ICECS, 1996)

Nonlinear adaptive filters for speckle suppression in ultrasonic images. - Eleftherios Kofidis; Sergios Theodoridis; Constantine Kotropoulos; Ioannis Pitas (Signal Process., 1996)

On the perfect reconstruction problem in N-band multirate maximally decimated FIR filter banks. - Eleftherios Kofidis; Sergios Theodoridis; Nicholas Kalouptsidis (IEEE Trans. Signal Process., 1996)

ΣΥΣΤΟΙΧΙΕΣ ΦΙΛΤΡΩΝ ΓΙΑ ΕΠΕΞΕΡΓΑΣΙΑ ΣΗΜΑΤΟΣ ΚΑΙ ΕΙΚΟΝΑΣ - Eleftherios Kofidis (1996)

Mirror-image symmetric perfect-reconstruction FIR filter banks: Parametrization and design. - Eleftherios Kofidis; Sergios Theodoridis; Nicholas Kalouptsidis (Signal Process., 1998)

Wavelet-based medical image compression. - Eleftherios Kofidis; Nicholas Kolokotronis; Aliki Vassilarakou; Sergios Theodoridis; Dionisis A. Cavouras (Future Gener. Comput. Syst., 1999)

Design of biorthogonal multi-band FIR filter banks given several of the analysis and synthesis filters. - Eleftherios Kofidis; Phillip A. Regalia (EUSIPCO, 2000)

A "unimodal" blind equalization criterion. - Phillip A. Regalia; Eleftherios Kofidis (EUSIPCO, 2000)

The higher-order power method revisited: convergence proofs and effective initialization. - Phillip A. Regalia; Eleftherios Kofidis (ICASSP, 2000)

On the Best Rank-1 Approximation of Higher-Order Supersymmetric Tensors. - Eleftherios Kofidis; Phillip A. Regalia (SIAM J. Matrix Anal. Appl., 2002)

Monotonic convergence of fixed-point algorithms for ICA. - Phillip A. Regalia; Eleftherios Kofidis (IEEE Trans. Neural Networks, 2003)

An efficient low complexity clustering-based MLSE equalizer for frequency-selective fading channels. - Yannis Kopsinis; Sergios Theodoridis; Eleftherios Kofidis (EUSIPCO, 2004)

Designing N-band biorthogonal FIR systems given several of the analysis and synthesis filters. - Eleftherios Kofidis (Signal Process., 2005)

A Novel Efficient Cluster-Based MLSE Equalizer for Satellite Communication Channels with M-QAM Signaling. - Eleftherios Kofidis; Vassilis Dalakas; Yannis Kopsinis; Sergios Theodoridis (EURASIP J. Adv. Signal Process., 2006)

On the least-squares performance of a novel efficient center estimation method for clustering-based MLSE equalization. - Eleftherios Kofidis; Yannis Kopsinis; Sergios Theodoridis (IEEE Trans. Signal Process., 2006)

An efficient low complexity cluster-based MLSE equalizer for frequency-selective fading channels. - Yannis Kopsinis; Sergios Theodoridis; Eleftherios Kofidis (IEEE Trans. Wirel. Commun., 2006)

Training-based estimation of correlated MIMO fading channels in the presence of colored interference. - Dimitrios Katselis; Eleftherios Kofidis; Sergios Theodoridis (Signal Process., 2007)

On Training Optimization for Estimation of Correlated MIMO Channels in the Presence of Multiuser Interference. - Dimitrios Katselis; Eleftherios Kofidis; Sergios Theodoridis (IEEE Trans. Signal Process., 2008)

Adaptive BLAST decision-feedback equalizer for MIMO-FBMC/OQAM systems. - Eleftherios Kofidis; Athanasios A. Rontogiannis (PIMRC, 2010)

Semi-blind maximum-likelihood joint channel/data estimation for correlated channels in multiuser MIMO networks. - Constantinos Rizogiannis; Eleftherios Kofidis; Constantinos B. Papadias; Sergios Theodoridis (Signal Process., 2010)

Preamble-based channel estimation for CP-OFDM and OFDM/OQAM systems: a comparative study. - Dimitrios Katselis; Eleftherios Kofidis; Athanasios A. Rontogiannis; Sergios Theodoridis (IEEE Trans. Signal Process., 2010)

On preamble-based channel estimation in OFDM/OQAM systems. - Dimitrios Katselis; Mats Bengtsson; Cristian R. Rojas; Håkan Hjalmarsson; Eleftherios Kofidis (EUSIPCO, 2011)

Improved interference approximation method for preamble-based channel estimation in FBMC/OQAM. - Eleftherios Kofidis; Dimitrios Katselis (EUSIPCO, 2011)

Preamble-based channel estimation in MIMO-OFDM/OQAM systems. - Eleftherios Kofidis; Dimitrios Katselis (ICSIPA, 2011)

On OFDM/OQAM receivers. - Dimitrios Katselis; Eleftherios Kofidis; Sergios Theodoridis (EUSIPCO, 2012)

Adaptive BLAST-type decision-feedback equalizers for DS-CDMA systems. - Constantinos Rizogiannis; Eleftherios Kofidis; Athanasios A. Rontogiannis; Sergios Theodoridis (Signal Process., 2012)

Preamble Design for Channel Estimation in OFDM/OQAM Cooperative Systems. - Christos Mavrokefalidis; Eleftherios Kofidis; Athanasios A. Rontogiannis; Sergios Theodoridis (ISWCS, 2013)

Optimal training design for channel estimation in OFDM/OQAM cooperative systems. - Christos Mavrokefalidis; Eleftherios Kofidis; Athanasios A. Rontogiannis; Sergios Theodoridis (SPAWC, 2013)

Preamble-based Channel Estimation in OFDM/OQAM Systems: A Time-Domain Approach. - Eleftherios Kofidis (CoRR, 2013)

Preamble-based channel estimation in OFDM/OQAM systems: A review. - Eleftherios Kofidis; Dimitrios Katselis; Athanasios A. Rontogiannis; Sergios Theodoridis (Signal Process., 2013)

Short preamble-based estimation of highly frequency selective channels in FBMC/OQAM. - Eleftherios Kofidis (ICASSP, 2014)

Channel estimation in filter bank-based multicarrier systems: Challenges and solutions. - Eleftherios Kofidis (ISCCSP, 2014)

Efficient adaptive equalization of doubly dispersive channels in MIMO-FBMC/OQAM systems. - Christos Mavrokefalidis; Athanasios A. Rontogiannis; Eleftherios Kofidis; Antonios Beikos; Sergios Theodoridis (ISWCS, 2014)

Preamble-based channel estimation in single-relay networks using FBMC/OQAM. - Christos Mavrokefalidis; Eleftherios Kofidis; Athanasios A. Rontogiannis; Sergios Theodoridis (EURASIP J. Adv. Signal Process., 2014)

On optimal multi-symbol preambles for highly frequency selective FBMC/OQAM channel estimation. - Eleftherios Kofidis (ISWCS, 2015)

Preamble-based channel estimation in asynchronous FBMC-OQAM distributed MIMO systems. - François Rottenberg; Yahia Medjahdi; Eleftherios Kofidis; Jérôme Louveaux (ISWCS, 2015)

Pilot-based channel estimation for FBMC/OQAM systems under strong frequency selectivity. - Xavier Mestre; Eleftherios Kofidis (ICASSP, 2016)

Generalized optimal pilot allocation for channel estimation in multicarrier systems. - François Rottenberg; François Horlin; Eleftherios Kofidis; Jérôme Louveaux (SPAWC, 2016)

Higher-Order Block Term Decomposition for Spatially Folded fMRI Data. - Christos Chatzichristos; Eleftherios Kofidis; Giannis Kopsinis; Sergios Theodoridis (CoRR, 2016)

Blind Source Separation: Fundamentals and Recent Advances (A Tutorial Overview Presented at SBrT-2001). - Eleftherios Kofidis (CoRR, 2016)

A Unified Multicarrier Modulation Framework. - Konstantinos N. Maliatsos; Eleftherios Kofidis; Athanasios G. Kanatas (CoRR, 2016)

MIMO Signal Processing in Offset-QAM Based Filter Bank Multicarrier Systems. - Ana I. Pérez-Neira; Màrius Caus; Rostom Zakaria; Didier Le Ruyet; Eleftherios Kofidis; Martin Haardt; Xavier Mestre; Yao Cheng 001 (IEEE Trans. Signal Process., 2016)

Coupled matrix-tensor factorizations - The case of partially shared factors. - Lieven De Lathauwer; Eleftherios Kofidis (ACSSC, 2017)

PARAFAC2 and its block term decomposition analog for blind fMRI source unmixing. - Christos Chatzichristos; Eleftherios Kofidis; Sergios Theodoridis (EUSIPCO, 2017)

Joint channel estimation / data detection in MIMO-FBMC/OQAM systems - A tensor-based approach. - Eleftherios Kofidis; Christos Chatzichristos; André Lima Férrer de Almeida (EUSIPCO, 2017)

Higher-Order Block Term Decomposition for Spatially Folded fMRI Data. - Christos Chatzichristos; Eleftherios Kofidis; Yiannis Kopsinis; Manuel Morante Moreno; Sergios Theodoridis (LVA/ICA, 2017)

Assisted dictionary learning for FMRI data analysis. - Manuel Morante Moreno; Yannis Kopsinis; Eleftherios Kofidis; Christos Chatzichristos; Sergios Theodoridis (ICASSP, 2017)

Preamble-Based Estimation of Highly Frequency Selective Channels in FBMC/OQAM Systems. - Eleftherios Kofidis (IEEE Trans. Signal Process., 2017)

Fusion of EEG and fMRI via Soft Coupled Tensor Decompositions. - Christos Chatzichristos; Mike Davies 001; Javier Escudero; Eleftherios Kofidis; Sergios Theodoridis (EUSIPCO, 2018)

Tensor-based Blind fMRI Source Separation Without the Gaussian Noise Assumption - A β-Divergence Approach. - Christos Chatzichristos; Michiel Vandecappelle; Eleftherios Kofidis; Sergios Theodoridis; Lieven De Lathauwer; Sabine Van Huffel (GlobalSIP, 2019)

Early soft and flexible fusion of EEG and fMRI via tensor decompositions. - Christos Chatzichristos; Eleftherios Kofidis; Lieven De Lathauwer; Sergios Theodoridis; Sabine Van Huffel (CoRR, 2020)

Filter bank-based multiple access in next-generation satellite uplinks: A DVB-RCS2-based experimental study. - Vassilis Dalakas; Eleftherios Kofidis (Int. J. Satell. Commun. Netw., 2020)

A Tensor-Based Approach to Joint Channel Estimation/Data Detection in Flexible Multicarrier MIMO Systems. - Eleftherios Kofidis (IEEE Trans. Signal Process., 2020)

A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation. - Paris V. Giampouras; Athanasios A. Rontogiannis; Eleftherios Kofidis (EUSIPCO, 2021)

On Preamble-based FBMC/OQAM Highly Frequency Selective Channel Estimation Without Guard Symbols. - Eleftherios Kofidis (GLOBECOM, 2021)

Rank-Revealing Block-Term Decomposition for Tensor Completion. - Athanasios A. Rontogiannis; Paris V. Giampouras; Eleftherios Kofidis (ICASSP, 2021)

Block-Term Tensor Decomposition: Model Selection and Computation. - Athanasios A. Rontogiannis; Eleftherios Kofidis; Paris V. Giampouras (IEEE J. Sel. Top. Signal Process., 2021)

A Projected Newton-type Algorithm for Rank - revealing Nonnegative Block - Term Tensor Decomposition. - Eleftherios Kofidis; Paris V. Giampouras; Athanasios A. Rontogiannis (EUSIPCO, 2022)

Channel Tracking for RIS-Enabled Multi-User SIMO Systems in Time-Varying Wireless Channels. - Jide Yuan; George C. Alexandropoulos; Eleftherios Kofidis; Tobias Lindstrøm Jensen; Elisabeth de Carvalho (ICC Workshops, 2022)

Tensor-based Channel Tracking for RIS-Empowered Multi-User MIMO Wireless Systems. - Jide Yuan; George C. Alexandropoulos; Eleftherios Kofidis; Tobias Lindstrøm Jensen; Elisabeth de Carvalho (CoRR, 2022)

Joint CFO and highly frequency selective channel estimation in FBMC/OQAM systems. - Mokhtar Besseghier; Ahmed Bouzidi Djebbar; Eleftherios Kofidis (Digit. Signal Process., 2022)

Block-Term Tensor Decomposition Model Selection and Computation: The Bayesian Way. - Paris V. Giampouras; Athanasios A. Rontogiannis; Eleftherios Kofidis (IEEE Trans. Signal Process., 2022)

Online rank-revealing block-term tensor decomposition. - Athanasios A. Rontogiannis; Eleftherios Kofidis; Paris V. Giampouras (Signal Process., 2023)

Block-Term Tensor Decomposition in Array Signal Processing: Uniform Rectangular Arrays. - Eleftherios Kofidis (EUSIPCO, 2024)

Adaptive Joint Channel Estimation/Data Detection in Flexible Multicarrier Mimo Systems - A Tensor-Based Approach. - Eleftherios Kofidis (ICASSP, 2024)

Robust Rank-Revealing Block-Term Decomposition and Hyperspectral Image Denoising. - Eleftherios Kofidis; Athanasios A. Rontogiannis (IGARSS, 2024)

Tensor-based Trajectory Data Mining: A Block-Term Decomposition Approach. - Eleftherios Kofidis (SETN, 2024)

Federated Learning Using Coupled Tensor Train Decomposition. - Xiangtao Zhang; Eleftherios Kofidis; Ce Zhu; Le Zhang 001; Yipeng Liu 001 (CoRR, 2024)

On the tensor-based approach to adaptive joint channel estimation/data detection in flexible multicarrier MIMO systems. - Eleftherios Kofidis (Digit. Signal Process., 2024)

Revisiting Semi-Blind Block-Term Decomposition-Based Receivers for Uniform Rectangular Arrays. - Eleftherios Kofidis (SSP, 2025)

Block-term tensor decomposition in array signal processing. - Eleftherios Kofidis (Digit. Signal Process., 2025)

Coupled tensor train decomposition in federated learning. - Xiangtao Zhang; Eleftherios Kofidis; Ruituo Wu; Ce Zhu; Le Zhang 001; Yipeng Liu 001 (Pattern Recognit., 2026)