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| Presentation | 2012-03-15 16:00 Signal source estimation based on simultaneous diagonalization of EEG covariance matrices of two different states Teruyoshi Sasayama (Kyoto Univ./JSPS), Shoji Hamada, Tetsuo Kobayashi (Kyoto Univ.)  NC2011-172 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We proposed a signal source estimation method based on simultaneous diagonalization of electroencephalogram (EEG) covariance matrices of two different states such as movement and resting states. We compared performances of the proposed method and conventional minimum variance beamformer them to simulation data in which an increasing signal source of $\beta$ rhythmic spontaneous EEG activity was located in the primary motor cortex. As a result, it was found that the lower limit of signal-to-noise ratio of the proposed method, in which location bias became lower than 10 mm, was one third of that of minimum variance beamformer. This result indicates that indicates that the proposed method is applicable for signal source estimation that has two different states. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | beamformer / EEG / rhythmic activities / simultaneous diagonalization / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 483, NC2011-172, pp. 299-304, March 2012. | |
| Paper # | NC2011-172 | |
| Date of Issue | 2012-03-07 (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 | NC2011-172 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2012-03-14 - 2012-03-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NC |
| Conference Code | 2012-03-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Signal source estimation based on simultaneous diagonalization of EEG covariance matrices of two different states |
| Sub Title (in English) | |
| Keyword(1) | beamformer |
| Keyword(2) | EEG |
| Keyword(3) | rhythmic activities |
| Keyword(4) | simultaneous diagonalization |
| Keyword(5) | |
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| 1st Author's Name | Teruyoshi Sasayama |
| 1st Author's Affiliation | Kyoto University/Japan Society for the Promotion of Science (Kyoto Univ./JSPS) |
| 2nd Author's Name | Shoji Hamada |
| 2nd Author's Affiliation | Kyoto University (Kyoto Univ.) |
| 3rd Author's Name | Tetsuo Kobayashi |
| 3rd Author's Affiliation | Kyoto University (Kyoto Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-03-15 16:00:00 |
| Presentation Time | 25 minutes |
| Registration for | NC |
| Paper # | NC2011-172 |
| Volume (vol) | vol.111 |
| Number (no) | no.483 |
| Page | pp.299-304 |
| #Pages | 6 |
| Date of Issue | 2012-03-07 (NC) |
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