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| Presentation | 2014-05-22 15:50 Study on noise robustness of P300 detection for word sound stimuli Shuichi Maeda (Yamaguchi Univ.), Akira Hirabayashi (Ritsumeikan Univ.), Toshihisa Tanaka (TUAT)  SIP2014-10 IE2014-10 PRMU2014-10 MI2014-10 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To achieve brain-computer interface (BCI) using sound stimuli in real environment, we evaluated the robustness of P300 detection against noise. P300 is one of the event related potentials (ERP) and exploited for various purposes including BCI. Using the oddball tasks, P300 was induced and observed by the sensor Epoc produced by the Emotiv Co.~Ltd. We used BCI2000Luncher and Operator in BCI2000 to present the sound stimuli. We used two words of “Ue” and “Shita” for the target stimuli, whereas two types of the non-target stimulus were presented. In the first case, the non-target stimulus was only a sinusoid of 440Hz, while in the second case, the non-target stimulus was not only the sinusoid but also ''Ue'' or ''Shita'' which was not used for the target stimulus. We first designed a stepwise linear discriminant classifier using EEG data acquired for noiseless stimuli. Then, we classified data acquired when noisy stimuli were presented. The noise level was set so that the SNR is -20, -15, ..., 10dB. We clarified that for the first case of the non-target stimulus, the classification rate increases suddenly at -5dB like a step function in terms of SNR, while for the second case, it increases gradually depending of the SNR. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Event-related potential / P300 / oddball tasks / Emotiv Epoc / noise robustness / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 39, SIP2014-10, pp. 49-54, May 2014. | |
| Paper # | SIP2014-10 | |
| Date of Issue | 2014-05-15 (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) | |
| Download PDF | SIP2014-10 IE2014-10 PRMU2014-10 MI2014-10 |
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| Conference Information | |
| Committee | PRMU MI IE SIP |
| Conference Date | 2014-05-22 - 2014-05-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2014-05-PRMU-MI-IE-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Study on noise robustness of P300 detection for word sound stimuli |
| Sub Title (in English) | |
| Keyword(1) | Event-related potential |
| Keyword(2) | P300 |
| Keyword(3) | oddball tasks |
| Keyword(4) | Emotiv Epoc |
| Keyword(5) | noise robustness |
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| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shuichi Maeda |
| 1st Author's Affiliation | Yamaguchi University (Yamaguchi Univ.) |
| 2nd Author's Name | Akira Hirabayashi |
| 2nd Author's Affiliation | Ritsumeikan University (Ritsumeikan Univ.) |
| 3rd Author's Name | Toshihisa Tanaka |
| 3rd Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
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| Speaker | Author-2 |
| Date Time | 2014-05-22 15:50:00 |
| Presentation Time | 30 minutes |
| Registration for | SIP |
| Paper # | SIP2014-10, IE2014-10, PRMU2014-10, MI2014-10 |
| Volume (vol) | vol.114 |
| Number (no) | no.39(SIP), no.40(IE), no.41(PRMU), no.42(MI) |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2014-05-15 (SIP, IE, PRMU, MI) |
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