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Paper Abstract and Keywords
Presentation 2011-11-25 11:15
A BCI using FSK-modulated visual stimuli
Yosuke Kimura, Hiroshi Higashi, Toshihisa Tanaka (Tokyo Univ. of Agriculture and Tech.) NC2011-80
Abstract (in Japanese) (See Japanese page) 
(in English) A brain computer interface based on steady-state visual evoked potentials has some issues; the number of available frequencies of visual stimili is insufficient when increasing commands, and commands have different classification accuracies that can decline the usability. We propose a method that defines binary codes with stimuli flickering at two distinct frequencies and assigns those codes to the commands. This method can be regarded as the one that modulates a visual stimulus of a brain computer interface using frequency-shift keying in the digital communications. In this paper, we conducted online BCI experiments to compare the proposed method with the existing method. Experimental results show that the proposed method achieves a reliable BCI attributed to stable accuracy and even probabilities of inputting commands.
Keyword (in Japanese) (See Japanese page) 
(in English) Brain computer interface / Steady-state visual evoked potentials / Visual stimulus / Frequency-shift keying / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 315, NC2011-80, pp. 47-52, Nov. 2011.
Paper # NC2011-80 
Date of Issue 2011-11-17 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF NC2011-80

Conference Information
Committee MBE NC  
Conference Date 2011-11-24 - 2011-11-25 
Place (in Japanese) (See Japanese page) 
Place (in English) ECEI Departments, Graduate School of Engineering, Tohoku University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) BCI/BMI (NC special session), etc. 
Paper Information
Registration To NC 
Conference Code 2011-11-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A BCI using FSK-modulated visual stimuli 
Sub Title (in English)  
Keyword(1) Brain computer interface  
Keyword(2) Steady-state visual evoked potentials  
Keyword(3) Visual stimulus  
Keyword(4) Frequency-shift keying  
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1st Author's Name Yosuke Kimura  
1st Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agriculture and Tech.)
2nd Author's Name Hiroshi Higashi  
2nd Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agriculture and Tech.)
3rd Author's Name Toshihisa Tanaka  
3rd Author's Affiliation Tokyo University of Agriculture and Technology (Tokyo Univ. of Agriculture and Tech.)
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Speaker Author-1 
Date Time 2011-11-25 11:15:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2011-80 
Volume (vol) vol.111 
Number (no) no.315 
Page pp.47-52 
#Pages 6 
Date of Issue 2011-11-17 (NC) 

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