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Authors: Tracey Camilleri 1 ; Jeanluc Mangion 1 ; 2 and Kenneth Camilleri 1 ; 2

Affiliations: 1 Department of Systems and Control Engineering, University of Malta, Msida MSD2080, Malta ; 2 Centre for Biomedical Cybernetics, University of Malta, Msida MSD2080, Malta

Keyword(s): Hybrid BCI, SSVEP, Eye Movement Detection, EEG.

Abstract: Detection of eye movements using standard EEG channels can allow for the development of a hybrid BCI (hBCi) system without requiring additional hardware for eye gaze tracking. This work proposes a hierarchical classification structure to classify eye movements into eight different classes, covering both horizontal and vertical eye movements, at two different gaze angles in each of four directions. Results show that the highest eye movement classification was obtained with frontal EEG channels, achieving an accuracy of 98.47% for two directions, 74.38% with four directions and 58.31% with eight directions. Eye movements can also be classified reliably in four directions using occipital electrodes with an accuracy of 47.60% which increases to around 80% if three frontal channels are also included. The latter result was used to develop a hybrid SSVEP home automation system which exploits the EEG-extracted eye movement information. Results show that a sequential hBCI gave an average accu racy of 82.5% when compared to the 69.17% obtained with a standard SSVEP based BCI system. (More)

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Paper citation in several formats:
Camilleri, T.; Mangion, J. and Camilleri, K. (2022). Exploiting EEG-extracted Eye Movements for a Hybrid SSVEP Home Automation System. In Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2022) - BIOSIGNALS; ISBN 978-989-758-552-4; ISSN 2184-4305, SciTePress, pages 117-127. DOI: 10.5220/0010783800003123

@conference{biosignals22,
author={Tracey Camilleri. and Jeanluc Mangion. and Kenneth Camilleri.},
title={Exploiting EEG-extracted Eye Movements for a Hybrid SSVEP Home Automation System},
booktitle={Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2022) - BIOSIGNALS},
year={2022},
pages={117-127},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010783800003123},
isbn={978-989-758-552-4},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the 15th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2022) - BIOSIGNALS
TI - Exploiting EEG-extracted Eye Movements for a Hybrid SSVEP Home Automation System
SN - 978-989-758-552-4
IS - 2184-4305
AU - Camilleri, T.
AU - Mangion, J.
AU - Camilleri, K.
PY - 2022
SP - 117
EP - 127
DO - 10.5220/0010783800003123
PB - SciTePress

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