Publication: Multi-command SSVEP-based BCI system via single flickering frequency half-field stimulation pattern
Issued Date
2011-12-26
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ISSN
1557170X
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2-s2.0-84055211823
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Mahidol University
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SCOPUS
Bibliographic Citation
Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS. (2011), 1101-1104
Suggested Citation
Yunyong Punsawad, Yodchanan Wongsawat Multi-command SSVEP-based BCI system via single flickering frequency half-field stimulation pattern. Proceedings of the Annual International Conference of the IEEE Engineering in Medicine and Biology Society, EMBS. (2011), 1101-1104. doi:10.1109/IEMBS.2011.6090257 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/11738
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Title
Multi-command SSVEP-based BCI system via single flickering frequency half-field stimulation pattern
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Abstract
This paper proposes a half-field steady state visual evoked potential (SSVEP)-based brain-computer interface (BCI) system to enhance the number of limited commands obtained from the existing SSVEP-based BCI methods. With the theory of vision perception and the concept of the existing half-field SSVEP-based BCI system, we propose the new stimulation pattern that, by using only one frequency, four commands can be generated with the average classification accuracy of approximately 77%. By using only one frequency, eye fatigue can be reduced. Furthermore, this method can be efficiently used to further increase the number of commands for the existing SSVEP-based BCI system. © 2011 IEEE.