Simon Geirnaert
Simon Geirnaert
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EEG
Identifying Temporal Correlations Between Natural Single-shot Videos and EEG Signals
In this article, we demonstrate how a new object-based video feature leads to robust correlations with the decoded activity from EEG when subjects are watching natural videos.
Yuanyuan Yao
,
Axel Stebner
,
Tinne Tuytelaars
,
Simon Geirnaert
,
Alexander Bertrand
February, 2024
Journal of Neural Engineering
, vol. 21, no. 1, 016018, 2024
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Dataset
DOI
What are we really decoding? Unveiling biases in EEG-based decoding of the spatial focus of auditory attention
In this article, we try to uncover potential biases of the CSP-based decoding of the spatial focus of auditory attention, using a multi-talker audiovisual EEG experiment.
Iustina Rotaru
,
Simon Geirnaert
,
Nicolas Heintz
,
Iris Van de Ryck
,
Alexander Bertrand
,
Tom Francart
February, 2024
Journal of Neural Engineering
, vol. 21, no. 1, 016017, 2024
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Dataset
DOI
Fast, accurate, unsupervised, and time-adaptive EEG-based auditory attention decoding for neuro-steered hearing devices
This book chapter, published in
Brain-Computer Interface Research
, summarizes my PhD research and is written following my nomination for the BCI Award 2022.
Simon Geirnaert
,
Rob Zink
,
Tom Francart
,
Alexander Bertrand
January, 2024
in
Brain-Computer Interface Research
, 2024
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Video
DOI
Stimulus-Informed Generalized Canonical Correlation Analysis of Stimulus-Following Brain Responses
In this paper, presented at
EUSIPCO 2023
, we propose a new signal processing technique to extract stimulus-following neural reponses from a group of subjects. All MATLAB code to implement the method and reproduce the experiments is available!
Simon Geirnaert
,
Tom Francart
,
Alexander Bertrand
September, 2023
In Proceedings of
EUSIPCO 2023
, 2023
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Code
Dataset
Slides
DOI
Video Presentation
Unbiased Unsupervised Stimulus Reconstruction for EEG-Based Auditory Attention Decoding
In this article, presented at
ICASSP 2023
, we present an update of the unsupervised stimulus decoder that avoids its inherent bias to the initialization.
Nicolas Heintz
,
Simon Geirnaert
,
Tom Francart
,
Alexander Bertrand
June, 2023
In Proceedings of
ICASSP 2023
, 2023
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Dataset
DOI
Grouped variable selection for generalized eigenvalue problems
In this article, published in
Signal Processing
, we present a novel sparse variable selection method for generalized Rayleigh quotient optimization and generalized eigenvalue problems, which are ubiquitous in many signal processing fields.
Jonathan Dan
,
Simon Geirnaert
,
Alexander Bertrand
June, 2022
Signal Processing
, vol. 195, 108476, 2022
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DOI
Algorithm code
Experiment code
Signal Processing Algorithms for EEG-based Auditory Attention Decoding
In May 2022, I obtained my PhD degree in Electrical Engineering under the supervision of
Prof. Tom Francart
and
Prof. Alexander Bertrand
summa cum laude with congratulations from the board of examiners.
Simon Geirnaert
,
Tom Francart
,
Alexander Bertrand
May, 2022
PhD thesis
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Video
Time-Adaptive Unsupervised Auditory Attention Decoding Using EEG-Based Stimulus Reconstruction
In this article, publlished in
IEEE Journal of Biomedical and Health Informatics
, we present a new time-adapative unsupervised stimulus decoder for AAD.
Simon Geirnaert
,
Tom Francart
,
Alexander Bertrand
March, 2022
IEEE Journal of Biomedical and Health Informatics
, vol. 26, no. 8, pp. 3767-3778, 2022
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DOI
Dataset I
Dataset II
Demo
Electroencephalography-Based Auditory Attention Decoding: Toward Neurosteered Hearing Devices
In this article, published in
IEEE Signal Processing Magazine
, we provide a broad review and a statistically grounded comparative study of EEG-based AAD algorithms and address the main signal processing challenges in this field.
Simon Geirnaert
,
Servaas Vandecappelle
,
Emina Alickovic
,
Alain de Cheveigné
,
Edmund Lalor
,
Bernd T. Meyer
,
Sina Miran
,
Tom Francart
,
Alexander Bertrand
June, 2021
IEEE Signal Processing Magazine
, vol. 38, no. 4, pp. 89-102, 2021
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Slides
DOI
Dataset I
Dataset II
Riemannian Geometry-Based Decoding of the Directional Focus of Auditory Attention Using EEG
In this article, presented at
ICASSP 2021
, we present a novel method to decode the spatial focus of auditory attention from EEG using Riemmanian geometry-based classifiers.
Simon Geirnaert
,
Tom Francart
,
Alexander Bertrand
June, 2021
In Proceedings of the
ICASSP 2021
, 2021
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