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Title: Multi-command SSVEP-based BCI system via single flickering frequency half-field stimulation pattern.
Authors: Yunyong Punsawad
Yodchanan Wongsawat
Mahidol University
Keywords: Computer Science;Engineering;Medicine
Issue Date: 1-Dec-2011
Citation: Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference. (2011), 1101-1104
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.
ISSN: 1557170X
Appears in Collections:Scopus 2011-2015

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