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ORCIDEleftherios Kofidis
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2020 – today
- 2025
[j27]Eleftherios Kofidis
:
Block-term tensor decomposition in array signal processing. Digit. Signal Process. 156: 104755 (2025)- 2024
- [j26]Eleftherios Kofidis:
On the tensor-based approach to adaptive joint channel estimation/data detection in flexible multicarrier MIMO systems. Digit. Signal Process. 154: 104654 (2024) - [c40]Eleftherios Kofidis:
Block-Term Tensor Decomposition in Array Signal Processing: Uniform Rectangular Arrays. EUSIPCO 2024: 1142-1146 - [c39]Eleftherios Kofidis:
Adaptive Joint Channel Estimation/Data Detection in Flexible Multicarrier Mimo Systems - A Tensor-Based Approach. ICASSP 2024: 8721-8725 - [c38]Eleftherios Kofidis, Athanasios A. Rontogiannis:
Robust Rank-Revealing Block-Term Decomposition and Hyperspectral Image Denoising. IGARSS 2024: 7639-7643 - [i13]Xiangtao Zhang, Eleftherios Kofidis, Ce Zhu, Le Zhang, Yipeng Liu:
Federated Learning Using Coupled Tensor Train Decomposition. CoRR abs/2403.02898 (2024) - 2023
- [j25]Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras:
Online rank-revealing block-term tensor decomposition. Signal Process. 212: 109126 (2023) - 2022
- [j24]Mokhtar Besseghier, Ahmed Bouzidi Djebbar, Eleftherios Kofidis:
Joint CFO and highly frequency selective channel estimation in FBMC/OQAM systems. Digit. Signal Process. 128: 103629 (2022) - [j23]Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis:
Block-Term Tensor Decomposition Model Selection and Computation: The Bayesian Way. IEEE Trans. Signal Process. 70: 1704-1717 (2022) - [c37]Eleftherios Kofidis, Paris V. Giampouras, Athanasios A. Rontogiannis:
A Projected Newton-type Algorithm for Rank - revealing Nonnegative Block - Term Tensor Decomposition. EUSIPCO 2022: 1961-1965 - [c36]Jide Yuan, George C. Alexandropoulos, Eleftherios Kofidis, Tobias Lindstrøm Jensen, Elisabeth de Carvalho:
Channel Tracking for RIS-Enabled Multi-User SIMO Systems in Time-Varying Wireless Channels. ICC Workshops 2022: 145-150 - [i12]Jide Yuan, George C. Alexandropoulos, Eleftherios Kofidis, Tobias Lindstrøm Jensen, Elisabeth de Carvalho:
Tensor-based Channel Tracking for RIS-Empowered Multi-User MIMO Wireless Systems. CoRR abs/2202.08315 (2022) - 2021
- [j22]Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras:
Block-Term Tensor Decomposition: Model Selection and Computation. IEEE J. Sel. Top. Signal Process. 15(3): 464-475 (2021) - [c35]Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras:
Online Rank-Revealing Block-Term Tensor Decomposition. ACSCC 2021: 1678-1682 - [c34]Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis:
A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation. EUSIPCO 2021: 1800-1804 - [c33]Eleftherios Kofidis:
On Preamble-based FBMC/OQAM Highly Frequency Selective Channel Estimation Without Guard Symbols. GLOBECOM 2021: 1-6 - [c32]Athanasios A. Rontogiannis, Paris V. Giampouras, Eleftherios Kofidis:
Rank-Revealing Block-Term Decomposition for Tensor Completion. ICASSP 2021: 2915-2919 - [i11]Paris V. Giampouras, Athanasios A. Rontogiannis, Eleftherios Kofidis:
A Bayesian Approach to Block-Term Tensor Decomposition Model Selection and Computation. CoRR abs/2101.02931 (2021) - [i10]Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras:
Online Rank-Revealing Block-Term Tensor Decomposition. CoRR abs/2106.10755 (2021) - 2020
- [j21]Vassilis Dalakas, Eleftherios Kofidis:
Filter bank-based multiple access in next-generation satellite uplinks: A DVB-RCS2-based experimental study. Int. J. Satell. Commun. Netw. 38(4): 382-394 (2020) - [j20]Eleftherios Kofidis:
A Tensor-Based Approach to Joint Channel Estimation/Data Detection in Flexible Multicarrier MIMO Systems. IEEE Trans. Signal Process. 68: 3179-3193 (2020) - [c31]Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras:
Block-Term Tensor Decomposition: Model Selection and Computation. EUSIPCO 2020: 1976-1980 - [i9]Athanasios A. Rontogiannis, Eleftherios Kofidis, Paris V. Giampouras:
Block-Term Tensor Decomposition: Model Selection and Computation. CoRR abs/2002.09759 (2020) - [i8]Christos Chatzichristos, Eleftherios Kofidis, Lieven De Lathauwer, Sergios Theodoridis, Sabine Van Huffel:
Early soft and flexible fusion of EEG and fMRI via tensor decompositions. CoRR abs/2005.07134 (2020)
2010 – 2019
- 2019
- [c30]Eleftherios Kofidis, Vassilis Dalakas:
Filter Bank-based Multiple Access in Next Generation Satellite Uplinks: A DVB-RCS2-based Experimental Study. 5G World Forum 2019: 648-653 - [c29]Christos Chatzichristos, Michiel Vandecappelle, Eleftherios Kofidis, Sergios Theodoridis, Lieven De Lathauwer, Sabine Van Huffel:
Tensor-based Blind fMRI Source Separation Without the Gaussian Noise Assumption - A β-Divergence Approach. GlobalSIP 2019: 1-5 - 2018
- [c28]Christos Chatzichristos, Mike Davies, Javier Escudero, Eleftherios Kofidis, Sergios Theodoridis:
Fusion of EEG and fMRI via Soft Coupled Tensor Decompositions. EUSIPCO 2018: 56-60 - 2017
- [j19]Eleftherios Kofidis:
Preamble-Based Estimation of Highly Frequency Selective Channels in FBMC/OQAM Systems. IEEE Trans. Signal Process. 65(7): 1855-1868 (2017) - [c27]Lieven De Lathauwer, Eleftherios Kofidis:
Coupled matrix-tensor factorizations - The case of partially shared factors. ACSSC 2017: 711-715 - [c26]Eleftherios Kofidis, Christos Chatzichristos, André Lima Férrer de Almeida:
Joint channel estimation / data detection in MIMO-FBMC/OQAM systems - A tensor-based approach. EUSIPCO 2017: 420-424 - [c25]Christos Chatzichristos, Eleftherios Kofidis, Sergios Theodoridis:
PARAFAC2 and its block term decomposition analog for blind fMRI source unmixing. EUSIPCO 2017: 2081-2085 - [c24]Christos Chatzichristos, Eleftherios Kofidis, Yiannis Kopsinis, Manuel Morante Moreno, Sergios Theodoridis:
Higher-Order Block Term Decomposition for Spatially Folded fMRI Data. LVA/ICA 2017: 3-15 - [c23]Manuel Morante Moreno, Yannis Kopsinis, Eleftherios Kofidis, Christos Chatzichristos, Sergios Theodoridis:
Assisted dictionary learning for FMRI data analysis. ICASSP 2017: 806-810 - 2016
- [j18]Ana I. Pérez-Neira, Màrius Caus, Rostom Zakaria, Didier Le Ruyet, Eleftherios Kofidis, Martin Haardt, Xavier Mestre, Yao Cheng:
MIMO Signal Processing in Offset-QAM Based Filter Bank Multicarrier Systems. IEEE Trans. Signal Process. 64(21): 5733-5762 (2016) - [c22]Xavier Mestre, Eleftherios Kofidis:
Pilot-based channel estimation for FBMC/OQAM systems under strong frequency selectivity. ICASSP 2016: 3696-3700 - [c21]François Rottenberg, François Horlin, Eleftherios Kofidis, Jérôme Louveaux:
Generalized optimal pilot allocation for channel estimation in multicarrier systems. SPAWC 2016: 1-5 - [i7]Eleftherios Kofidis:
Blind Source Separation: Fundamentals and Recent Advances (A Tutorial Overview Presented at SBrT-2001). CoRR abs/1603.03089 (2016) - [i6]Konstantinos N. Maliatsos, Eleftherios Kofidis, Athanasios G. Kanatas:
A Unified Multicarrier Modulation Framework. CoRR abs/1607.03737 (2016) - [i5]Christos Chatzichristos, Eleftherios Kofidis, Giannis Kopsinis, Sergios Theodoridis:
Higher-Order Block Term Decomposition for Spatially Folded fMRI Data. CoRR abs/1607.05073 (2016) - [i4]Eleftherios Kofidis, Christos Chatzichristos, André L. F. de Almeida:
Joint Channel Estimation / Data Detection in MIMO-FBMC/OQAM Systems - A Tensor-Based Approach. CoRR abs/1609.09661 (2016) - 2015
- [c20]Eleftherios Kofidis:
On optimal multi-symbol preambles for highly frequency selective FBMC/OQAM channel estimation. ISWCS 2015: 556-560 - [c19]François Rottenberg, Yahia Medjahdi, Eleftherios Kofidis, Jérôme Louveaux:
Preamble-based channel estimation in asynchronous FBMC-OQAM distributed MIMO systems. ISWCS 2015: 566-570 - 2014
- [j17]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: 66 (2014) - [c18]Eleftherios Kofidis:
Short preamble-based estimation of highly frequency selective channels in FBMC/OQAM. ICASSP 2014: 8058-8062 - [c17]Eleftherios Kofidis:
Channel estimation in filter bank-based multicarrier systems: Challenges and solutions. ISCCSP 2014: 453-456 - [c16]Christos Mavrokefalidis, Athanasios A. Rontogiannis, Eleftherios Kofidis, Antonios Beikos, Sergios Theodoridis:
Efficient adaptive equalization of doubly dispersive channels in MIMO-FBMC/OQAM systems. ISWCS 2014: 308-312 - 2013
- [j16]Eleftherios Kofidis, Dimitrios Katselis, Athanasios A. Rontogiannis, Sergios Theodoridis:
Preamble-based channel estimation in OFDM/OQAM systems: A review. Signal Process. 93(7): 2038-2054 (2013) - [c15]Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis:
Preamble Design for Channel Estimation in OFDM/OQAM Cooperative Systems. ISWCS 2013: 1-5 - [c14]Christos Mavrokefalidis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis:
Optimal training design for channel estimation in OFDM/OQAM cooperative systems. SPAWC 2013: 230-234 - [i3]Eleftherios Kofidis, Dimitrios Katselis, Athanasios A. Rontogiannis, Sergios Theodoridis:
Preamble-based Channel Estimation in OFDM/OQAM Systems: A Review. CoRR abs/1303.2136 (2013) - [i2]Eleftherios Kofidis:
Preamble-based Channel Estimation in OFDM/OQAM Systems: A Time-Domain Approach. CoRR abs/1306.2581 (2013) - 2012
- [j15]Constantinos Rizogiannis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis:
Adaptive BLAST-type decision-feedback equalizers for DS-CDMA systems. Signal Process. 92(4): 977-988 (2012) - [c13]Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis:
On OFDM/OQAM receivers. EUSIPCO 2012: 2566-2570 - 2011
- [c12]Eleftherios Kofidis, Dimitrios Katselis:
Improved interference approximation method for preamble-based channel estimation in FBMC/OQAM. EUSIPCO 2011: 1603-1607 - [c11]Dimitrios Katselis, Mats Bengtsson, Cristian R. Rojas, Håkan Hjalmarsson, Eleftherios Kofidis:
On preamble-based channel estimation in OFDM/OQAM systems. EUSIPCO 2011: 1618-1622 - [c10]Eleftherios Kofidis, Dimitrios Katselis:
Preamble-based channel estimation in MIMO-OFDM/OQAM systems. ICSIPA 2011: 579-584 - 2010
- [j14]Constantinos Rizogiannis, Eleftherios Kofidis, Constantinos B. Papadias, Sergios Theodoridis:
Semi-blind maximum-likelihood joint channel/data estimation for correlated channels in multiuser MIMO networks. Signal Process. 90(4): 1209-1224 (2010) - [j13]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): 2911-2916 (2010) - [c9]Eleftherios Kofidis, Athanasios A. Rontogiannis:
Adaptive BLAST decision-feedback equalizer for MIMO-FBMC/OQAM systems. PIMRC 2010: 841-846
2000 – 2009
- 2009
- [i1]Dimitrios Katselis, Eleftherios Kofidis, Athanasios A. Rontogiannis, Sergios Theodoridis:
Preamble-Based Channel Estimation for CP-OFDM and OFDM/OQAM Systems: A Comparative Study. CoRR abs/0910.3928 (2009) - 2008
- [j12]Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis:
On Training Optimization for Estimation of Correlated MIMO Channels in the Presence of Multiuser Interference. IEEE Trans. Signal Process. 56(10-1): 4892-4904 (2008) - 2007
- [j11]Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis:
Training-based estimation of correlated MIMO fading channels in the presence of colored interference. Signal Process. 87(9): 2177-2187 (2007) - [c8]Dimitrios Katselis, Eleftherios Kofidis, Sergios Theodoridis:
Training-Based Estimation of Correlated MIMO Fading Channels in the Presence of Colored Interference. ISCAS 2007: 1337-1340 - 2006
- [j10]Eleftherios Kofidis, Vassilis Dalakas, Yannis Kopsinis, Sergios Theodoridis:
A Novel Efficient Cluster-Based MLSE Equalizer for Satellite Communication Channels with M-QAM Signaling. EURASIP J. Adv. Signal Process. 2006 (2006) - [j9]Eleftherios Kofidis, Yannis Kopsinis, Sergios Theodoridis:
On the least-squares performance of a novel efficient center estimation method for clustering-based MLSE equalization. IEEE Trans. Signal Process. 54(4): 1459-1471 (2006) - [j8]Yannis Kopsinis, Sergios Theodoridis, Eleftherios Kofidis:
An efficient low complexity cluster-based MLSE equalizer for frequency-selective fading channels. IEEE Trans. Wirel. Commun. 5(4): 705-711 (2006) - 2005
- [j7]Eleftherios Kofidis:
Designing N-band biorthogonal FIR systems given several of the analysis and synthesis filters. Signal Process. 85(7): 1335-1351 (2005) - 2004
- [c7]Eleftherios Kofidis, Yannis Kopsinis, Sergios Theodoridis:
On the least squares performance of a novel efficient center estimation method for clustering-based MLSE equalization. EUSIPCO 2004: 469-472 - [c6]Yannis Kopsinis, Sergios Theodoridis, Eleftherios Kofidis:
An efficient low complexity clustering-based MLSE equalizer for frequency-selective fading channels. EUSIPCO 2004: 849-852 - 2003
- [j6]Phillip A. Regalia, Eleftherios Kofidis:
Monotonic convergence of fixed-point algorithms for ICA. IEEE Trans. Neural Networks 14(4): 943-949 (2003) - 2002
- [j5]Eleftherios Kofidis, Phillip A. Regalia:
On the Best Rank-1 Approximation of Higher-Order Supersymmetric Tensors. SIAM J. Matrix Anal. Appl. 23(3): 863-884 (2002) - 2000
- [c5]Eleftherios Kofidis, Phillip A. Regalia:
Design of biorthogonal multi-band FIR filter banks given several of the analysis and synthesis filters. EUSIPCO 2000: 1-4 - [c4]Phillip A. Regalia, Eleftherios Kofidis:
A "unimodal" blind equalization criterion. EUSIPCO 2000: 1-4 - [c3]Phillip A. Regalia, Eleftherios Kofidis:
The higher-order power method revisited: convergence proofs and effective initialization. ICASSP 2000: 2709-2712
1990 – 1999
- 1999
- [j4]Eleftherios Kofidis, Nicholas Kolokotronis, Aliki Vassilarakou, Sergios Theodoridis, Dionisis A. Cavouras:
Wavelet-based medical image compression. Future Gener. Comput. Syst. 15(2): 223-243 (1999) - 1998
- [j3]Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis:
Mirror-image symmetric perfect-reconstruction FIR filter banks: Parametrization and design. Signal Process. 68(1): 1-21 (1998) - 1996
- [b1]Eleftherios Kofidis:
ΣΥΣΤΟΙΧΙΕΣ ΦΙΛΤΡΩΝ ΓΙΑ ΕΠΕΞΕΡΓΑΣΙΑ ΣΗΜΑΤΟΣ ΚΑΙ ΕΙΚΟΝΑΣ. University of Patras, Greece, 1996 - [j2]Eleftherios Kofidis, Sergios Theodoridis, Constantine Kotropoulos, Ioannis Pitas:
Nonlinear adaptive filters for speckle suppression in ultrasonic images. Signal Process. 52(3): 357-372 (1996) - [j1]Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis:
On the perfect reconstruction problem in N-band multirate maximally decimated FIR filter banks. IEEE Trans. Signal Process. 44(10): 2439-2455 (1996) - [c2]Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis:
On perfect-reconstruction FIR filter banks. EUSIPCO 1996: 1-4 - [c1]Eleftherios Kofidis, Sergios Theodoridis, Nicholas Kalouptsidis:
Perfect-reconstruction FIR filter banks with mirror-image symmetry. ICECS 1996: 460-463
Coauthor Index
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