Paper Abstract and Keywords |
Presentation |
2016-05-19 15:40
Neural Decoding of Code Modulated Visual Evoked Potentials by Spatio-Temporal Inverse Filtering for Brain Computer Interfaces Jun-ichi Sato, Yoshikazu Washizawa (UEC) SIP2016-13 IE2016-13 PRMU2016-13 MI2016-13 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
c-VEP has been investigated resently, and and applied to brain computer interfaces (BCIs). c-VEP BCI exhibits faster communication speed than conventional VEP-based BCIs. In c-VEP BCI, the canonical correlation analysis (CCA) that maximizes the correlation between an averaged signal and single trial signals is often used for the spatial filter. However, CCA does not utilize information of given pseudo noise (PN) sequence, and hence, the filtered signal may not have properties of PN sequence. In this paper, we propose a decoding method to restore the given PN sequence from the observed VEP. We compare linear and nonlinear spatio-temporal inverse filtering methods. For the linear method, the least mean square error and lasso are used to obtain the filter coefficients. For the non-linear method, the artificial neural network is used. The proposed methods exhibited better decoding performance, and higher classification accuracies than conventional CCA spatial filtered c-VEP BCI. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Brain-Computer Interface / Visual stimuli / Code modulation / Neural Decoding / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 116, no. 36, SIP2016-13, pp. 65-70, May 2016. |
Paper # |
SIP2016-13 |
Date of Issue |
2016-05-12 (SIP, IE, PRMU, MI) |
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) |
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SIP2016-13 IE2016-13 PRMU2016-13 MI2016-13 |
Conference Information |
Committee |
PRMU IE MI SIP |
Conference Date |
2016-05-19 - 2016-05-20 |
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(See Japanese page) |
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Paper Information |
Registration To |
SIP |
Conference Code |
2016-05-PRMU-IE-MI-SIP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
Neural Decoding of Code Modulated Visual Evoked Potentials by Spatio-Temporal Inverse Filtering for Brain Computer Interfaces |
Sub Title (in English) |
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Brain-Computer Interface |
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Visual stimuli |
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Code modulation |
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Neural Decoding |
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1st Author's Name |
Jun-ichi Sato |
1st Author's Affiliation |
The University of Electro-Comuunications (UEC) |
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Yoshikazu Washizawa |
2nd Author's Affiliation |
The University of Electro-Comuunications (UEC) |
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Speaker |
Author-1 |
Date Time |
2016-05-19 15:40:00 |
Presentation Time |
30 minutes |
Registration for |
SIP |
Paper # |
SIP2016-13, IE2016-13, PRMU2016-13, MI2016-13 |
Volume (vol) |
vol.116 |
Number (no) |
no.36(SIP), no.37(IE), no.38(PRMU), no.39(MI) |
Page |
pp.65-70 |
#Pages |
6 |
Date of Issue |
2016-05-12 (SIP, IE, PRMU, MI) |
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