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Paper Abstract and Keywords
Presentation 2014-09-12 11:10
Improvement of Cortical Dipole Imaging Based on Filtering Property
Shintaro Takasawa, Junichi Hori (Niigata Univ.) BioX2014-12 MBE2014-35
Abstract (in Japanese) (See Japanese page) 
(in English) Cortical dipole imaging has been proposed as a method to visualize electroencephalogram (EEG) in high spatial resolution. In the present study, we aimed to improve the spatial resolution of the cortical dipole imaging by focusing on the filtering property when solving the inverse problem. We computed the optimal filtering property from various signal configurations and investigated the inverse estimation that makes the most of characteristics by approximating the shape of it with the sigmoid function. This method was compared with Tikhonov regularization, the truncated singular value decomposition (TSVD), and the truncated total least squares (TTLS) by the relative error in a computer simulation. As a result, the estimation accuracy was improved.
Keyword (in Japanese) (See Japanese page) 
(in English) EEG / cortical dipole imaging / filtering property / filter factor / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 213, MBE2014-35, pp. 11-16, Sept. 2014.
Paper # MBE2014-35 
Date of Issue 2014-09-05 (BioX, 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 BioX2014-12 MBE2014-35

Conference Information
Committee MBE BioX  
Conference Date 2014-09-12 - 2014-09-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Shinshu University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MBE 
Conference Code 2014-09-MBE-BioX 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Cortical Dipole Imaging Based on Filtering Property 
Sub Title (in English)  
Keyword(1) EEG  
Keyword(2) cortical dipole imaging  
Keyword(3) filtering property  
Keyword(4) filter factor  
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1st Author's Name Shintaro Takasawa  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Junichi Hori  
2nd Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2014-09-12 11:10:00 
Presentation Time 25 minutes 
Registration for MBE 
Paper # BioX2014-12, MBE2014-35 
Volume (vol) vol.114 
Number (no) no.212(BioX), no.213(MBE) 
Page pp.11-16 
#Pages 6 
Date of Issue 2014-09-05 (BioX, MBE) 

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