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EEG signal analysis for brain-computer interfaces for large public applications

Abstract : Brain-computer interfaces (BCIs) use signals from the brain to control machines and devices (keyboards , cars, neuro- prostheses) . After several decades of development, modern BCI techniques show a relative maturity compared to the past decades and receive more and more attention in real-world general public applications, in particular in the domain of BCI-based human-computer interactions for healthy people, such as neuro-games. The aim of this thesis is to develop an experimental setup and signal processing algorithms for non-invasive, portable and easy-to-use BCI systems for large public (non-medical) applications. To achieve this goal, a review of the state of the art (existing prototypes and commercial products, experimental setup, algorithms) is first performed to get a full scope and a good understanding in this field. The main contributions of this thesis include: 1) a hybrid BCI paradigm with a few electrodes , 2) dimensionality reduction for multi-channel BCI (with a high number of electrodes ), 3) reduction and selection channel , 4) improved classification for BCI with a few predetermined electrodes. The experimental results show that the methods proposed in this thesis can improve classification performance and / or increase the efficiency of the system ( for example, reduce the learning time, reduce the cost of equipment ) , so as to contribute to BCI for the general applications.
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Submitted on : Friday, November 27, 2015 - 2:38:21 PM
Last modification on : Friday, July 31, 2020 - 10:44:08 AM
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  • HAL Id : tel-01234955, version 1



Yuan Yang. EEG signal analysis for brain-computer interfaces for large public applications. Signal and Image processing. Télécom ParisTech, 2013. English. ⟨NNT : 2013ENST0043⟩. ⟨tel-01234955⟩



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