Distributed Signal Processing Algorithms for Chronic Neuro-Sensor Networks

Utility metric for unsupervised feature selection

Author(s): Amalia Villa, Abhijith Mundanad Narayanan, Sabine Van Huffel, Alexander Bertrand, Carolina Varon
Published in: PeerJ Computer Science, Issue 7, 2021, Page(s) e477, ISSN 2376-5992
Publisher: PeerJ Inc.
DOI: 10.7717/peerj-cs.477

A Unified Algorithmic Framework for Distributed Adaptive Signal and Feature Fusion Problems - Part I: Algorithm Derivation

Author(s): Cem Ates Musluoglu, and Alexander Bertrand
Published in: Ieee Transactions On Signal Processing;, Issue 2023; Vol. 71, 2023, Page(s) 1863 - 1878, ISSN 1053-587X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tsp.2023.3275272

SHYBRID: A graphical tool for generating hybrid ground-truth spiking data for evaluating spike sorting performance

Author(s): Wouters, Jasper; Kloosterman, Fabian; Bertrand, Alexander
Published in: Neuroinformatics, 2020, ISSN 1539-2791
Publisher: Humana Press, Inc.
DOI: 10.1101/734061

Grouped variable selection for generalized eigenvalue problems

Author(s): Jonathan Dan; Simon Geirnaert; Alexander Bertrand
Published in: Signal Processing, Issue Vol. 195, 2022, ISSN 0165-1684
Publisher: Elsevier BV
DOI: 10.1016/j.sigpro.2022.108476

Fast EEG-Based Decoding Of The Directional Focus Of Auditory Attention Using Common Spatial Patterns

Author(s): Simon Geirnaert, Tom Francart, Alexander Bertrand
Published in: IEEE Transactions on Biomedical Engineering, Issue 68/5, 2021, Page(s) 1557-1568, ISSN 0018-9294
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tbme.2020.3033446

EEG-based detection of the locus of auditory attention with convolutional neural networks

Author(s): Servaas Vandecappelle, Lucas Deckers, Neetha Das, Amir Hossein Ansari, Alexander Bertrand, Tom Francart
Published in: eLife, Issue 10, 2021, ISSN 2050-084X
Publisher: eLife Sciences Publications
DOI: 10.7554/elife.56481

Bandwidth-efficient distributed neural network architectures with application to neuro-sensor networks

Author(s): Strypsteen, Thomas; Bertrand, Alexander
Published in: Ieee Journal Of Biomedical And Health Informatics, Issue vol. 27; iss. 2, 2023, Page(s) 933 - 943, ISSN 2168-2194
Publisher: Institute of Electrical and Electronics Engineers Inc.

Time-adaptive unsupervised auditory attention decoding using EEG-based stimulus reconstruction

Author(s): Geirnaert, Simon; Francart, Tom; Bertrand, A
Published in: Ieee Journal Of Biomedical And Health Informatics;, 2022, ISSN 2168-2194
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/jbhi.2022.3162760

A data-driven spike sorting feature map for resolving spike overlap in the feature space

Author(s): Jasper Wouters, Fabian Kloosterman, Alexander Bertrand
Published in: Journal of Neural Engineering, 2021, ISSN 1741-2560
Publisher: Institute of Physics Publishing
DOI: 10.1088/1741-2552/ac0f4a

Computationally-Efficient Algorithm for Real-Time Absence Seizure Detection in Wearable Electroencephalography

Author(s): Jonathan Dan, Benjamin Vandendriessche, Wim Van Paesschen, Dorien Weckhuysen, Alexander Bertrand
Published in: International Journal of Neural Systems, Issue 30/11, 2020, Page(s) 2050035, ISSN 0129-0657
Publisher: World Scientific Publishing Co
DOI: 10.1142/s0129065720500355

‘Are you even listening?’ - EEG-based decoding of absolute auditory attention to natural speech

Author(s): Arnout Roebben, Nicolas Heintz, Simon Geirnaert, Tom Francart, Alexander Bertrand
Published in: Journal of Neural Engineering, Issue 21, 2024, Page(s) 036046, ISSN 1741-2560
Publisher: Institute of Physics Publishing
DOI: 10.1088/1741-2552/ad5403

MAXVAR-based distributed correlation estimation in a wireless sensor network

Author(s): Hovine, Charles; Bertrand, A
Published in: Ieee Transactions On Signal Processing, 2022, ISSN 1053-587X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tsp.2022.3223774

Change Point Detection in Time Series Data Using Autoencoders With a Time-Invariant Representation

Author(s): Tim De Ryck, Maarten De Vos, Alexander Bertrand
Published in: IEEE Transactions on Signal Processing, Issue 69, 2021, Page(s) 3513-3524, ISSN 1053-587X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tsp.2021.3087031

Electrocardiogram Quality Assessment using Unsupervised Deep Learning.

Author(s): Nick Seeuws; Maarten De Vos; Alexander Bertrand
Published in: Ieee Transactions On Biomedical Engineering, Issue Vol. 69, 2022, Page(s) 882 - 893, ISSN 0018-9294
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tbme.2021.3108621

Avoiding Post-Processing With Event-Based Detection in Biomedical Signals

Author(s): Nick Seeuws, Maarten De Vos, Alexander Bertrand
Published in: IEEE Transactions on Biomedical Engineering, Issue 71, 2024, Page(s) 2442-2453, ISSN 0018-9294
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tbme.2024.3375759

EEG miniaturization limits for stimulus decoding with EEG sensor networks.

Author(s): Abhijith Mundanad Narayanan; Rob Zink; Alexander Bertrand
Published in: Journal Of Neural Engineering, Issue 1, 2021, ISSN 1741-2560
Publisher: Institute of Physics Publishing
DOI: 10.1088/1741-2552/ac2629

Sensor selection and miniaturization limits for detection of interictal epileptiform discharges with wearable EEG

Author(s): Jonathan Dan; Mette Thrane Foged; Benjamin Vandendriessche; Wim Van Paesschen; Alexander Bertrand
Published in: Journal Of Neural Engineering, Issue Vol. 20; iss. 1, 2023, ISSN 1741-2560
Publisher: Institute of Physics Publishing
DOI: 10.1088/1741-2552/acb231

Electroencephalography-Based Auditory Attention Decoding: Toward Neurosteered Hearing Devices

Author(s): Simon Geirnaert, Servaas Vandecappelle, Emina Alickovic, Alain de Cheveigne, Edmund Lalor, Bernd T. Meyer, Sina Miran, Tom Francart, Alexander Bertrand
Published in: IEEE Signal Processing Magazine, Issue 38/4, 2021, Page(s) 89-102, ISSN 1053-5888
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/msp.2021.3075932

Stimulus-aware spatial filtering for single-trial neural response and temporal response function estimation in high-density EEG with applications in auditory research

Author(s): Das, Neetha; Vanthornhout, Jonas; Francart, Tom; Bertrand, Alexander
Published in: NeuroImage, Vol 204, Iss , Pp 116211- (2020), 2020, ISSN 1053-8119
Publisher: Academic Press
DOI: 10.1101/541318

Distributed Adaptive Trace Ratio Optimization in Wireless Sensor Networks

Author(s): Cem Ates Musluoglu, Alexander Bertrand
Published in: IEEE Transactions on Signal Processing, Issue 69, 2021, Page(s) 3653-3670, ISSN 1053-587X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tsp.2021.3079808

Unsupervised Self-Adaptive Auditory Attention Decoding

Author(s): Simon Geirnaert, Tom Francart, Alexander Bertrand
Published in: IEEE Journal of Biomedical and Health Informatics, 2021, Page(s) 1-1, ISSN 2168-2194
Publisher: Institute of Electrical and Electronics Engineers Inc.
DOI: 10.1109/jbhi.2021.3075631

Linear versus deep learning methods for noisy speech separation for EEG-informed attention decoding

Author(s): N. Das, J. Zegers, H. Van hamme, T. Francart, A. Bertrand
Published in: Journal of Neural Engineering, 2020, ISSN 1741-2560
Publisher: Institute of Physics Publishing

On the Convexity of Bit Depth Allocation for Linear MMSE Estimation in Wireless Sensor Networks

Author(s): Fernando de la Hucha Arce, Panagiotis Patrinos, Marian Verhelst, Alexander Bertrand
Published in: IEEE Signal Processing Letters, Issue 27, 2020, Page(s) 291-295, ISSN 1070-9908
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/lsp.2020.2967592

An Interpretable Performance Metric for Auditory Attention Decoding Algorithms in a Context of Neuro-Steered Gain Control

Author(s): Simon Geirnaert, Tom Francart, Alexander Bertrand
Published in: IEEE Transactions on Neural Systems and Rehabilitation Engineering, Issue 28/1, 2020, Page(s) 307-317, ISSN 1534-4320
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tnsre.2019.2952724

Distributed adaptive node-specific signal estimation in a wireless sensor network with noisy links

Author(s): Fernando de la Hucha Arce, Marc Moonen, Marian Verhelst, Alexander Bertrand
Published in: Signal Processing, Issue 166, 2020, Page(s) 107220, ISSN 0165-1684
Publisher: Elsevier BV
DOI: 10.1016/j.sigpro.2019.07.013

A Unified Algorithmic Framework for Distributed Adaptive Signal and Feature Fusion Problems - Part II: Convergence Properties

Author(s): Musluoglu, Cem Ates; Hovine, Charles; Bertrand, Alexander
Published in: Ieee Transactions On Signal Processing, Issue 2023; Vol. 71, 2023, Page(s) 1879 - 1894, ISSN 1053-587X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tsp.2023.3275273

End-to-end learnable EEG channel selection for deep neural networks with Gumbel-softmax

Author(s): Thomas Strypsteen, Alexander Bertrand
Published in: Journal of Neural Engineering, Issue 18/4, 2021, Page(s) 0460a9, ISSN 1741-2560
Publisher: Institute of Physics Publishing
DOI: 10.1088/1741-2552/ac115d

Objective evaluation of stimulation artefact removal techniques in the context of neural spike sorting.

Author(s): Maarten Schelles; Jasper Wouters; Boateng Asamoah; Myles Mc Laughlin; Alexander Bertrand
Published in: Journal Of Neural Engineering, Issue Vol. 19; iss. 1;, 2022, ISSN 1741-2560
Publisher: Institute of Physics Publishing
DOI: 10.1088/1741-2552/ac4ecf

Multi-Pattern Recognition Through Maximization of Signal-to-Peak-Interference Ratio With Application to Neural Spike Sorting

Author(s): Jasper Wouters, Panagiotis Patrinos, Fabian Kloosterman, Alexander Bertrand
Published in: IEEE Transactions on Signal Processing, Issue 68, 2020, Page(s) 6240-6254, ISSN 1053-587X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tsp.2020.3033973

Optimal Versus Approximate Channel Selection Methods for EEG Decoding With Application to Topology-Constrained Neuro-Sensor Networks

Author(s): Abhijith Mundanad Narayanan, Panagiotis Patrinos, Alexander Bertrand
Published in: IEEE Transactions on Neural Systems and Rehabilitation Engineering, Issue 29, 2021, Page(s) 92-102, ISSN 1534-4320
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/tnsre.2020.3035499

Analysis of miniaturization effects and channel selection strategies for EEG sensor networks with application to auditory attention detection

Author(s): Narayanan, Abhijith Mundanad; Bertrand, Alexander
Published in: IEEE Transactions on Biomedical Engineering, Issue 1, 2019, ISSN 1558-2531
Publisher: IEEE
DOI: 10.1101/593194

Identifying temporal correlations between natural single-shot videos and EEG signals

Author(s): Yuanyuan Yao, Axel Stebner, Tinne Tuytelaars, Simon Geirnaert, Alexander Bertrand
Published in: Journal of Neural Engineering, Issue 21, 2024, Page(s) 016018, ISSN 1741-2560
Publisher: Institute of Physics Publishing
DOI: 10.1088/1741-2552/ad2333

Distributed MAXVAR: Identifying Common Signal Components across the Nodes of a Sensor Network

Author(s): C. Hovine, A. Bertrand
Published in: Proc. of the 29th European Signal Process. Conf. (EUSIPCO), Dublin, Ireland, 2021
Publisher: IEEE

Stimulus-Informed Generalized Canonical Correlation Analysis of Stimulus-Following Brain Responses

Author(s): Simon Geirnaert, Tom Francart, Alexander Bertrand
Published in: 2023 31st European Signal Processing Conference (EUSIPCO), 2023, ISBN 978-9-4645-9360-0
Publisher: IEEE
DOI: 10.23919/eusipco58844.2023.10290073

A Distributed Adaptive Algorithm for Non-Smooth Spatial Filtering Problems

Author(s): Hovine, Charles; Bertrand, A
Published in: ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023, ISBN 978-1-7281-6327-7
Publisher: IEEE
DOI: 10.1109/icassp49357.2023.10096408

Signal-to-peak-interference ratio maximization with automatic interference weighting for threshold-based spike sorting of high-density neural probe data

Author(s): Wouters, J ; Kloosterman, F ; Bertrand, Alexander
Published in: 2019, ISBN 9781538679210
Publisher: IEEE
DOI: 10.1109/ner.2019.8716953

Epileptic Seizure Detection in EEG via Fusion of Multi-View Attention-Gated U-net Deep Neural Networks

Author(s): Chatzichristos, Christos ; Dan, J ; Narayanan, M ; Seeuws, Nick ; Vandecasteele, K ; De Vos, M ; Bertrand, A ; Van Huffel, S
Published in: 2020
Publisher: IEEE
DOI: 10.1109/spmb50085.2020.9353630

A Computationally Efficient Algorithm for Distributed Adaptive Signal Fusion based on Fractional Programs

Author(s): Musluoglu, Cem Ates; Bertrand, A
Published in: ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023
Publisher: IEEE

A miniature EEG node for synchronized wireless EEG sensor 2networks.

Author(s): Mathieu Baijot, Abhijith Mundanad Narayanan, Maria Brites Atalaia Rosa, Jonathan Dan, Alexander Bertrand, and Michael Kraft
Published in: 8th International Electronic Conference on Sensors and Applications, 2021
Publisher: ESCA
DOI: 10.3390/ecsa-8-11329

Riemannian geometry-based decoding of the directional focus of auditory attention using EEG

Author(s): Geirnaert, Simon; Francart, Tom; Bertrand, Alexander
Published in: 2021
Publisher: IEEE

Improved Tracking for Distributed Signal Fusion Optimization in a Fully-Connected Wireless Sensor Network

Author(s): Musluoglu, C; Moonen, M; Bertrand, A
Published in: 30th European Signal Processing Conference (EUSIPCO), 2022, ISBN 978-90-827970-9-1
Publisher: EURASIP

Neural Source Coding for bandwidth-efficient brain-computer interfacing with wireless neuro-sensor networks

Author(s): Strypsteen, Thomas; Bertrand, A
Published in: ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023
Publisher: IEEE

A New Metric to Evaluate Auditory Attention Detection Performance Based on a Markov Chain

Author(s): Simon Geirnaert, Tom Francart, Alexander Bertrand
Published in: 2019 27th European Signal Processing Conference (EUSIPCO), 2019, Page(s) 1-5, ISBN 978-9-0827-9703-9
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.23919/eusipco.2019.8903146

Low-complexity data-driven seizure detection algorithm for home monitoring of patients with epilepsy using wearable EEG

Author(s): J. Dan, B. Vandendriessche, W. Van Paesschen, D. Weckhuysen, and A. Bertrand
Published in: Proc. International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC),, 2019
Publisher: Institute of Electrical and Electronics Engineers

Distributed Trace Ratio Optimization in Fully-Connected Sensor Networks

Author(s): C. A. Musluoglu, A. Bertrand
Published in: Proc. European Signal Processing Conference (EUSIPCO), Amsterdam, The Netherlands, 2020., 2020
Publisher: Institute of Electrical and Electronics Engineers

A Neural Network-Based Spike Sorting Feature Map That Resolves Spike Overlap in the Feature Space

Author(s): Jasper Wouters, Fabian Kloosterman, Alexander Bertrand
Published in: ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2020, Page(s) 1175-1179, ISBN 978-1-5090-6631-5
Publisher: IEEE
DOI: 10.1109/icassp40776.2020.9053530

Group-Utility Metric for Efficient Sensor Selection and Removal in LCMV Beamformers

Author(s): Abhijith Mundanad Narayanan, Alexander Bertrand
Published in: ICASSP 2020 - 2020 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2020, Page(s) 4950-4954, ISBN 978-1-5090-6631-5
Publisher: IEEE
DOI: 10.1109/icassp40776.2020.9053467

A data-driven regularization approach for template matching in spike sorting with high-density neural probes

Author(s): Jasper Wouters, Fabian Kloosterman, Alexander Bertrand
Published in: 2019 41st Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), 2019, Page(s) 4376-4379, ISBN 978-1-5386-1311-5
Publisher: IEEE
DOI: 10.1109/embc.2019.8856930

Windowed State Space Filters for Peak Interference Suppression in Neural Spike Sorting

Author(s): Baeriswyl, C; Bertrand, Alexander; Wildhaber, R
Published in: 30th European Signal Processing Conference (EUSIPCO), Issue 2022, 2022, Page(s) 1208 - 1212, ISBN 978-90-827970-9-1
Publisher: EURASIP
DOI: 10.23919/eusipco55093.2022.9909862

Probabilistic Gain Control in a Multi-speaker Setting Using EEG-based Auditory Attention Decoding

Author(s): Heintz, S. Geirnaert, I. Van de Ryck, T. Francart, and A. Bertrand
Published in: Conference Paper to be published at EUSIPCO 2024, 2024
Publisher: IEEE

Unbiased unsupervised stimulus reconstruction for EEG-based auditory attention decoding

Author(s): Heintz, Nicolas; Geirnaert, S; Francart, T; Bertrand, A
Published in: ICASSP 2023 - 2023 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2023
Publisher: IEEE

Unsupervised neural decoding of auditory attention using a Binary Quadratic Program

Author(s): Heintz, Nicolas; Francart, T; Bertrand, A
Published in: 2022 Symposium on information Theory and Signal Processing in the Benelux (SITB), 2022/06/01 - 2022/06/02, Louvain-la-Neuve, Belgium, 2022
Publisher: N/A - Poster presentation

Unsupervised Accuracy Estimation for Brain-Computer Interfaces based on Auditory Attention Decoding

Author(s): Miguel A. Lopez-Gordo, Simon Geirnaert, Alexander Bertrand
Published in: Report, 2023
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
DOI: 10.36227/techrxiv.23925183

Grouped Variable Selection for Generalized Eigenvalue Problems

Author(s): J. Dan, S. Geirnaert, and A. Bertrand
Published in: Submitted for publication, 2021
Publisher: Submitted for publication

Stimulus-Informed Generalized Canonical Correlation Analysis for Group Analysis ofNeural Responses to Natural Stimuli

Author(s): Simon Geirnaert, Yuanyuan Yao, Tom Francart, and Alexander Bertrand, Senior Member, IEEE
Published in: Report, 2024
Publisher: ArXiv

Conditional Gumbel-Softmax for constrained feature selection with application to node selection in wireless sensor networks

Author(s): Thomas Strypsteen, Alexander Bertrand
Published in: 2024
Publisher: NA
DOI: 10.48550/arxiv.2406.01162

Distributed Adaptive Spatial Filtering with Inexact Local Solvers

Author(s): Charles Hovine, Alexander Bertrand
Published in: 2024
Publisher: ArXiv
DOI: 10.48550/arxiv.2405.03277

A Distributed Adaptive Algorithm for Non-Smooth Spatial Filtering Problems in Wireless Sensor Networks

Author(s): Charles Hovine, Alexander Bertrand
Published in: 2024
Publisher: ArXiv
DOI: 10.48550/arxiv.2403.08658

A Distributed Adaptive Signal Fusion Framework for Spatial Filtering within a Wireless Sensor Network

Author(s): Musluoglu, C; Hovine, C; Bertrand, Alexander
Published in: 42nd WIC Symposium on Information Theory and Signal Processing in the Benelux (SITB 2022), 2022
Publisher: KU Leuven

Fast, Accurate, Unsupervised, and Time-Adaptive EEG-Based Auditory Attention Decoding for Neuro-steered Hearing Devices

Author(s): Simon Geirnaert, Rob Zink, Tom Francart, Alexander Bertrand
Published in: SpringerBriefs in Electrical and Computer Engineering, Brain-Computer Interface Research, 2023, Page(s) 29-40
Publisher: Springer Nature Switzerland
DOI: 10.1007/978-3-031-49457-4_4

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