Robustness of least-squares and subspace methods for blind channel identification/equalization with respect to channel undermodeling. - Athanasios P. Liavas; Phillip A. Regalia; Jean Pierre Delmas (EUSIPCO, 1998)

Numerical stability issues of the conventional recursive least squares algorithm. - Athanasios P. Liavas; Phillip A. Regalia (ICASSP, 1998)

A periodogram-based method for the detection of steady-state visually evoked potentials. - Athanasios P. Liavas; George V. Moustakides; Günter Henning; Emmanouil Z. Psarakis; Peter Husar (IEEE Trans. Biomed. Eng., 1998)

Acoustic echo cancellation: do IIR models offer better modeling capabilities than their FIR counterparts? - Athanasios P. Liavas; Phillip A. Regalia (IEEE Trans. Signal Process., 1998)

On the numerical stability and accuracy of the conventional recursive least squares algorithm. - Athanasios P. Liavas; Phillip A. Regalia (IEEE Trans. Signal Process., 1999)

Robustness of least-squares and subspace methods for blind channel identification/equalization with respect to effective channel undermodeling/overmodeling. - Athanasios P. Liavas; Phillip A. Regalia; Jean Pierre Delmas (IEEE Trans. Signal Process., 1999)

Blind channel approximation: effective channel order determination. - Athanasios P. Liavas; Phillip A. Regalia; Jean Pierre Delmas (IEEE Trans. Signal Process., 1999)

A robust knowledge-based technique for ischemia detection in noisy ECGs. - Costas Papaloukas; Dimitrios I. Fotiadis; Aristidis Likas; Athanasios P. Liavas; Lampros K. Michalis (KES, 2000)

Statistical analysis of some second-order methods for blind channel identification/equalization with respect to channel undermodeling. - Jean Pierre Delmas; Houcem Gazzah; Athanasios P. Liavas; Phillip A. Regalia (IEEE Trans. Signal Process., 2000)

Least-squares channel equalization performance versus equalization delay. - Athanasios P. Liavas (IEEE Trans. Signal Process., 2000)

On the robustness of the linear prediction method for blind channel identification with respect to effective channel undermodeling/overmodeling. - Athanasios P. Liavas; Phillip A. Regalia; Jean Pierre Delmas (IEEE Trans. Signal Process., 2000)

On the behavior of information theoretic criteria for model order selection. - Athanasios P. Liavas; Phillip A. Regalia (IEEE Trans. Signal Process., 2001)

Performance analysis and comparison of blind to non-blind least-squares equalization with respect to effective channel overmodeling. - A. D. Beikos; Athanasios P. Liavas (Signal Process., 2002)

On the robustness of the finite-length MMSE-DFE with respect to channel and second-order statistics estimation errors. - Athanasios P. Liavas (IEEE Trans. Signal Process., 2002)

Sensitivity analysis of a suboptimal precoding scheme for block channels with respect to channel inaccuracies. - Athanasios P. Liavas (ICASSP (3), 2005)

Tomlinson-Harashima precoding with partial channel knowledge. - Athanasios P. Liavas (IEEE Trans. Commun., 2005)

On the Sensitivity of a Suboptimal Precoding Scheme for Frequency-Selective Block-Based Channels With Respect to Channel Inaccuracies. - Athanasios P. Liavas (IEEE Trans. Inf. Theory, 2005)

On the Sensitivity of Transmit Wiener Filtering for Broadcast Channels with Respect to Channel Estimation Errors. - Despoina Tsipouridou; Athanasios P. Liavas (ICASSP (3), 2007)

On the Performance of the Mismatched MMSE and the LS Linear Equalizers. - Athanasios P. Liavas; Despoina Tsipouridou (IEEE Trans. Signal Process., 2007)

Outage capacity of a cooperative scheme with binary input and a simple relay. - George N. Karystinos; Athanasios P. Liavas (ICASSP, 2008)

Quadratic form maximization over the binary field with polynomial complexity. - George N. Karystinos; Athanasios P. Liavas (ISIT, 2008)

Outage capacity of a noncoherent cooperative protocol with binary input and a simple relay. - Athanasios P. Liavas; George N. Karystinos (ISWPC, 2008)

On the Sensitivity of the Transmit MIMO Wiener Filter With Respect to Channel and Noise Second-Order Statistics Uncertainties. - Despoina Tsipouridou; Athanasios P. Liavas (IEEE Trans. Signal Process., 2008)

Efficient computation of the binary vector that maximizes a rank-deficient quadratic form. - George N. Karystinos; Athanasios P. Liavas (IEEE Trans. Inf. Theory, 2010)

On the sensitivity of the MIMO Tomlinson-Harashima precoder with respect to channel uncertainties. - Despoina Tsipouridou; Athanasios P. Liavas (IEEE Trans. Signal Process., 2010)

Single-Carrier Systems With MMSE Linear Equalizers: Performance Degradation due to Channel and CFO Estimation Errors. - Athanasios P. Liavas; Despoina Tsipouridou (IEEE Trans. Signal Process., 2012)

Efficient algorithms for 'universally' constrained matrix and tensor factorization. - Kejun Huang; Nicholas D. Sidiropoulos; Athanasios P. Liavas (EUSIPCO, 2015)

Parallel algorithms for large scale constrained tensor decomposition. - Athanasios P. Liavas; Nicholas D. Sidiropoulos (ICASSP, 2015)

Parallel Algorithms for Constrained Tensor Factorization via Alternating Direction Method of Multipliers. - Athanasios P. Liavas; Nicholas D. Sidiropoulos (IEEE Trans. Signal Process., 2015)

A Flexible and Efficient Algorithmic Framework for Constrained Matrix and Tensor Factorization. - Kejun Huang; Nicholas D. Sidiropoulos; Athanasios P. Liavas (IEEE Trans. Signal Process., 2016)

Nesterov-based parallel algorithm for large-scale nonnegative tensor factorization. - Athanasios P. Liavas; Georgios Kostoulas; Georgios Lourakis; Kejun Huang; Nicholas D. Sidiropoulos (ICASSP, 2017)

Alternating Optimization for Tensor Factorization with Orthogonality Constraints: Algorithm and Parallel Implementation. - Paris A. Karakasis; Athanasios P. Liavas (HPCS, 2018)

Nesterov-Based Alternating Optimization for Nonnegative Tensor Completion: Algorithm and Parallel Implementation. - Georgios Lourakis; Athanasios P. Liavas (SPAWC, 2018)

Nesterov-Based Alternating Optimization for Nonnegative Tensor Factorization: Algorithm and Parallel Implementation. - Athanasios P. Liavas; Georgios Kostoulas; Georgios Lourakis; Kejun Huang; Nicholas D. Sidiropoulos (IEEE Trans. Signal Process., 2018)

Design of LDPC Codes for the Unequal Power Two-User Gaussian Multiple Access Channel. - Alexios Balatsoukas-Stimming; Athanasios P. Liavas (IEEE Wirel. Commun. Lett., 2018)

Multi-subject Task-related fMRI Data Analysis via Generalized Canonical Correlation Analysis *. - Paris A. Karakasis; Athanasios P. Liavas; Nicholas D. Sidiropoulos; Panagiotis G. Simos; Efrosyni Papadaki (EMBC, 2020)

Multi-subject Resting-State fMRI Data Analysis via Generalized Canonical Correlation Analysis. - Paris A. Karakasis; Athanasios P. Liavas; Nicholas D. Sidiropoulos; Panagiotis G. Simos; Efrosyni Papadaki (EUSIPCO, 2020)

An Accelerated Stochastic Gradient for Canonical Polyadic Decomposition. - Ioanna Siaminou; Athanasios P. Liavas (EUSIPCO, 2021)

Accelerated Stochastic Gradient for Nonnegative Tensor Completion and Parallel Implementation. - Ioanna Siaminou; Ioannis Marios Papagiannakos; Christos Kolomvakis; Athanasios P. Liavas (EUSIPCO, 2021)

Nonnegative Tensor Completion: step-sizes for an accelerated variation of the stochastic gradient descent. - Athanasios P. Liavas; Ioannis Marios Papagiannakos; Christos Kolomvakis (EUSIPCO, 2022)

Multisubject Task-Related fMRI Data Processing via a Two-Stage Generalized Canonical Correlation Analysis. - Paris A. Karakasis; Athanasios P. Liavas; Nicholas D. Sidiropoulos; Panagiotis G. Simos; Efrosini Papadaki (IEEE Trans. Image Process., 2022)