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Paper Abstract and Keywords
Presentation 2012-03-16 14:10
A study on reduction of pre-training time based on incremental training with unknown data for P300 speller
Hai Jin, Hiromu Takahashi, Tomohiro Yoshikawa, Takeshi Furuhashi (Nagoya Univ.) NC2011-186
Abstract (in Japanese) (See Japanese page) 
(in English) There are a lot of researches on Brain-Computer Interface which could be used for robot control and text input by analyzing users’ electroencephalogram. In general, classifier(s) is used for EEG classification such as Linear Discriminant Analysis (LDA), and it needs to be trained with some known data before classification. For improving the classification accuracy, a large number of training data is necessary, and measuring it often gives a lot of burdens to the user. Thus, the purpose of this research is to reduce the number of data required for training.
This paper proposes a retraining approach which based on classified data along with training data, and investigates its performance on BCI text input system called P300 speller. The P300 speller provides “Backspace” which could delete the misclassified letters, thus it could be assumed that an inputted letter has been correctly classified if it has not been deleted by the Backspace. In the proposed approach, such letters could be used for retraining. The proposed approach could make it possible to reduce the number of training data.
Keyword (in Japanese) (See Japanese page) 
(in English) BCI / P300 speller / Incremental training / Training time / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 483, NC2011-186, pp. 381-386, March 2012.
Paper # NC2011-186 
Date of Issue 2012-03-07 (NC) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 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 English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A study on reduction of pre-training time based on incremental training with unknown data for P300 speller 
Sub Title (in English)  
Keyword(1) BCI  
Keyword(2) P300 speller  
Keyword(3) Incremental training  
Keyword(4) Training time  
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1st Author's Name Hai Jin  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Hiromu Takahashi  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Tomohiro Yoshikawa  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Takeshi Furuhashi  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2012-03-16 14:10:00 
Presentation Time 25 minutes 
Registration for NC 
Paper # NC2011-186 
Volume (vol) vol.111 
Number (no) no.483 
Page pp.381-386 
#Pages
Date of Issue 2012-03-07 (NC) 


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