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Paper Abstract and Keywords
Presentation 2010-07-27 13:25
A Prewhitening EEG Beamforming with Linear Constraint in a Realistic Head Model
Teruyoshi Sasayama (Kyoto Univ./JSPS), Tomoaki Iida, Hirokazu Kawaguchi, Shoji Hamada, Tetsuo Kobayashi (Kyoto Univ.) NC2010-35
Abstract (in Japanese) (See Japanese page) 
(in English) We compared source estimation method when equivalent dipole are located in the motor cortex aimed at right/left hand movement or their imagery based brain-computer interface. We have developed a prewhitening EEG beamforming with linear constraint, which is introduced vector beamforming technique and linear constraint that suppress signals in other areas. It was found that the estimated location error by prewhitening beamforming with linear constraint was lower than that by minimum variance beamforming with linear constraint or the beamforming with linear constraint based on generalized least squares even when signal-noise ratio (SNR) is lower than 0.5. This demonstrates that the proposed prewhitening beamforming with linear constraint is useful to estimate the location of signal source even when SNR is low.
Keyword (in Japanese) (See Japanese page) 
(in English) EEG / fMRI / spacial filter / prewhitening / / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 149, NC2010-35, pp. 33-38, July 2010.
Paper # NC2010-35 
Date of Issue 2010-07-20 (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)
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Conference Information
Committee NC  
Conference Date 2010-07-27 - 2010-07-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyoto University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Recording and analysis of neuronal activity, etc 
Paper Information
Registration To NC 
Conference Code 2010-07-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Prewhitening EEG Beamforming with Linear Constraint in a Realistic Head Model 
Sub Title (in English)  
Keyword(1) EEG  
Keyword(2) fMRI  
Keyword(3) spacial filter  
Keyword(4) prewhitening  
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1st Author's Name Teruyoshi Sasayama  
1st Author's Affiliation Kyoto University (Kyoto Univ./JSPS)
2nd Author's Name Tomoaki Iida  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Hirokazu Kawaguchi  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
4th Author's Name Shoji Hamada  
4th Author's Affiliation Kyoto University (Kyoto Univ.)
5th Author's Name Tetsuo Kobayashi  
5th Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2010-07-27 13:25:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2010-35 
Volume (vol) vol.110 
Number (no) no.149 
Page pp.33-38 
#Pages
Date of Issue 2010-07-20 (NC) 


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