Explanipedia

Fully Automated EEG Source Imaging Using Structured Sparsity for Single and Multiple Synchronous Epileptic Activities Open

Matthieu Aud'hui, Amar Kachenoura, Laurent Albera, Isabelle Merlet Paquin, Maxime Yochum , et al. · 2025

Accurate localization of epileptic zones from High-Resolution ElectroEncephaloGraphy (HR-EEG) data can be challenging, especially when multiple synchronous zones are involved, and is highly dependent on the chosen EEG Source Imaging (ESI) …

Optimized CNN-based denoising strategy for enhancing longitudinal monitoring of heart failure Open

Salman Almuhammad Alali, Amar Kachenoura, Laurent Albera, Alfredo Hernández, Cindy Michel , et al. · 2024

High-Dimensional MVAR Model Identification Based on Structured Sparsity Penalization Open

Zhiyi Fang, Laurent Albera, A. Kachenoura, Huazhong Shu, Yan Kang , et al. · 2024

International audience

Prompt-Driven Graph Distillation: Enabling Single-Layer Mlps to Outperform Deep Graph Neural Networks in Graph-Based Tasks Open

Senlin Guan, Lei Song, Yueying Li, Youyong Kong, Laurent Albera , et al. · 2024

Electrophysiological brain imaging based on simulation-driven deep learning in the context of epilepsy Open

Zuyi Yu, Amar Kachenoura, Régine Le Bouquin Jeannès, Huazhong Shu, Paul Berraute , et al. · 2023

Identifying the location, the spatial extent and the electrical activity of distributed brain sources in the context of epilepsy through ElectroEncephaloGraphy (EEG) recordings is a challenging task because of the highly ill-posed nature o…

Parallelization scheme for canonical polyadic decomposition of large-scale high-order tensors Open

Abdelhak Boudehane, Laurent Albera, Arthur Tenenhaus, Laurent Le Brusquet, Rémy Boyer · 2022

Parallelization Scheme for Canonical Polyadic Decomposition of Large-Scale High-Order Tensors Open

Abdelhak Boudehane, Laurent Albera, Arthur Tenenhaus, Laurent Le Brusquet, Rémy Boyer · 2022

A two-step algorithm for joint EigenValue decomposition - Application to canonical polyadic decomposition of fluorescence spectra Open

Rémi F. André, Xavier Luciani, Laurent Albera, Éric Moreau · 2020

Robust low-rank multilinear tensor approximation for a joint estimation of the multilinear rank and the loading matrices Open

Han Xu, Laurent Albera, Amar Kachenoura, Huazhong Shu, Lotfi Senhadji · 2018

In order to compute the best low-rank tensor approximation using the Multilinear Tensor Decomposition (MTD) model, it is essential to estimate the rank of the underlying multilinear tensor from the noisy observation tensor. In this paper, …

Low Rank Canonical Polyadic Decomposition Of Tensors Based On Group Sparsity Open

Laurent Albera, Xu Han, Amar Kachenoura, Lotfi Senhadji, Hua Zhong Shu · 2018

Publication in the conference proceedings of EUSIPCO, Kos island, Greece, 2017

Reliable gradient search directions for kurtosis-based deflationary ICA: Application to physiological signal processing Open

Majd Saleh, Ahmad Karfoul, Amar Kachenoura, Lotfi Senhadji, Laurent Albera · 2017

Efficient gradient search directions for the optimisation of the kurtosis-based deflationary RobustICA algorithm in the case of real-valued data are proposed in this paper. The proposed scheme employs, in the gradient-like algorithm typica…

SISSY: An efficient and automatic algorithm for the analysis of EEG sources based on structured sparsity Open

Matthias Becker, Laurent Albera, Pierre Comon, Jean‐Claude Nunes, Rémi Gribonval , et al. · 2017

JACOBI-LIKE NONNEGATIVE JOINT DIAGONALIZATION BY CONGRUENCE Open

Lu Wang, Laurent Albera, Huazhong Shu, Lotfi Senhadji · 2016

International audience

Complex patterns of spatially extended generators of epileptic activity: Comparison of source localization methods cMEM and 4-ExSo-MUSIC on high resolution EEG and MEG data Open

Rasheda Arman Chowdhury, Isabelle Merlet, Gwénaël Birot, Eliane Kobayashi, Anca Nica , et al. · 2016

Low cost and efficient kurtosis-based deflationary ICA method: Application to MRS sources separation problem Open

Majd Saleh, Ahmad Karfoul, Amar Kachenoura, Lotfi Senhadji, Laurent Albera · 2016

Improving the execution time and the numerical complexity of the well-known kurtosis-based maximization method, the RobustICA, is investigated in this paper. A Newton-based scheme is proposed and compared to the conventional RobustICA meth…

ON JEVD OF SEMI-DEFINITE POSITIVE MATRICES AND CPD OF NONNEGATIVE TENSORS Open

A. Rubbia, Laurent Albera, Xavier Luciani, Éric Moreau · 2016

Localization of Distributed EEG Sources in the Context of Epilepsy: A Simulation Study Open

Hanna Becker, Laurent Albera, Pierre Comon, Rémi Gribonval, F. Wendling , et al. · 2016

Tensor decomposition exploiting structural constraints for brain source imaging Open

Hanna Becker, Ahmad Karfoul, Laurent Albera, Rémi Gribonval, Julien Fleureau , et al. · 2015

International audience

An Alternating Direction Method of Multipliers for constrained joint diagonalization by congruence Open

Lu Wang, Laurent Albera, Lotfi Senhadji, Jean‐Christophe Pesquet · 2015

International audience

A Penalized Semialgebraic Deflation ICA Algorithm for the Efficient Extraction of Interictal Epileptic Signals Open

Hanna Becker, Laurent Albera, Pierre Comon, Amar Kachenoura, Isabelle Merlet · 2015

As a noninvasive technique, electroencephalography (EEG) is commonly used to monitor the brain signals of patients with epilepsy such as the interictal epileptic spikes. However, the recorded data are often corrupted by artifacts originati…

Tensor-based preprocessing of combined EEG/MEG data Open

Hanna Becker, Pierre Comon, Laurent Albera · 2015

HAL is a multi-disciplinary open access archive for the deposit and dissemination of sci-entific research documents, whether they are pub-lished or not. The documents may come from teaching and research institutions in France or abroad, or…

Brain-Source Imaging: From sparse to tensor models Open

Hanna Becker, Laurent Albera, Pierre Comon, Rémi Gribonval, Fabrice Wendling , et al. · 2015

International audience

Physics-Driven Inverse Problems Made Tractable With Cosparse Regularization Open

Srđan Kitić, Laurent Albera, Nancy Bertin, Rémi Gribonval · 2015

International audience

FAST, VARIATION-BASED METHODS FOR THE ANALYSIS OF EXTENDED BRAIN SOURCES Open

Hanna Becker, Laurent Albera, Pierre Comon, Rémi Gribonval, Isabelle Merlet · 2015

Identifying the location and spatial extent of several highly correlated and simultaneously active brain sources from elec-troencephalographic (EEG) recordings and extracting the cor-responding brain signals is a challenging problem. In a …

One decade of biomedical problems using ICA: a full comparative study, in Open

Laurent Albera, Amar Kachenoura, Ahmad Karfoul, Pierre Comon, Lotfi Senhadji · 2015

— This communication aims at giving some insights into the use of Independent Component Anal-ysis (ICA) for solving biomedical problems. First the concept of ICA is reviewed and different classes of ICA methods are described. Next a survey…

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