Presentation 2014-07-11
A Demodulation Method for Brain-Computer Interface Using Phase-Shift Keying Visual Stimuli
Naoki MORIKAWA, Toshihisa TANAKA,
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Abstract(in English) Steady-state visual evoked potential (SSVEP) based brain-computer interfaces have two di culties: the limitation of the number of commands and uneven probabilities of command execution. To solve these problems, the present paper proposes a paradigm of BCI using phase-modulated visual stimuli. The commands are translated into binary code words. Each code corresponds to a visual stimulus ickering with the same frequency and a di erent phase. Phases of SSVEP are recognized to detect bits, and a command to be executed is determined from the sequence of detected bits. This protocol can be analogues of binary phase-shift keying (BPSK) in digital communications.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Brain-computer interface / Steady-state evoked potential
Paper # CAS2014-33,VLD2014-42,SIP2014-54,MSS2014-33,SIS2014-33
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Conference Date 2014/7/2(1days)
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Registration To Mathematical Systems Science and its applications(MSS)
Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) A Demodulation Method for Brain-Computer Interface Using Phase-Shift Keying Visual Stimuli
Sub Title (in English)
Keyword(1) Brain-computer interface
Keyword(2) Steady-state evoked potential
1st Author's Name Naoki MORIKAWA
1st Author's Affiliation Department of Electronic and Information Engineering Tokyo University of Agriculture and Technology()
2nd Author's Name Toshihisa TANAKA
2nd Author's Affiliation Department of Electronic and Information Engineering Tokyo University of Agriculture and Technology
Date 2014-07-11
Paper # CAS2014-33,VLD2014-42,SIP2014-54,MSS2014-33,SIS2014-33
Volume (vol) vol.114
Number (no) 125
Page pp.pp.-
#Pages 6
Date of Issue