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| Presentation | 2010-03-09 15:25 Viewed Character Estimation using Single-trial EEG Waveforms across the Perceptual Process Minoru Nakayama, Hiroshi Abe (Tokyo Inst. of Tech.)  MBE2009-109 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper examines the possibility of classifying characters when viewed by subjects in single trials using single-channel EEG waveforms of the frontal area (Fz) and the occipital area (Oz) of the brain. The first 20 trials for each character were used for calibration, and the remaining trials were assigned to the test data set. Feature vectors for each trial were created as EEG waveforms from 100 up to 800 msec. after the stimuli was shown. To extract features of waveforms, the regression relationship between EEG and ERP waveforms was used to transform observed signals. As a result, the performance of cross validation rates of the test data set increased incrementally during the perceptual process, for both Fz and Oz, when the predicted waveforms were measured using the regression relationship. Also, the effectiveness of the prediction using the regression relationship for the classification performance of viewed characters was determined during the perceptual process. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | EEG waveform / single-trial / Event-related potential / character recognition / Discrimination / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 460, MBE2009-109, pp. 49-54, March 2010. | |
| Paper # | MBE2009-109 | |
| Date of Issue | 2010-03-02 (MBE) | |
| 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 | MBE2009-109 |
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| Conference Information | |
| Committee | NC MBE |
| Conference Date | 2010-03-09 - 2010-03-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2010-03-NC-MBE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Viewed Character Estimation using Single-trial EEG Waveforms across the Perceptual Process |
| Sub Title (in English) | |
| Keyword(1) | EEG waveform |
| Keyword(2) | single-trial |
| Keyword(3) | Event-related potential |
| Keyword(4) | character recognition |
| Keyword(5) | Discrimination |
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| Keyword(8) | |
| 1st Author's Name | Minoru Nakayama |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Hiroshi Abe |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2010-03-09 15:25:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2009-109 |
| Volume (vol) | vol.109 |
| Number (no) | no.460 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2010-03-02 (MBE) |
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