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Paper Abstract and Keywords
Presentation 2016-08-19 09:00
A Study on Authentication System using the Coordinates and Writing Speeds of Segments Extracted from Sign Strokes on Tablet
Kazuya Tsubota, Keiko Masuda, Seiichirou Hangai (TUS) BioX2016-13
Abstract (in Japanese) (See Japanese page) 
(in English) In recently, with the growth of the mobile terminals such as smart phone or tablet, if we can identify the individual with the hand-written character on the mobile terminals, it is expected many applications, including the owner authentication of the mobile terminals. However, considering the convenience of the user, small number of strokes to be touched on the mobile terminals is preferred, so it is difficult to apply the traditional signature authentication method as it is.
In this study, to achieve a personal authentication using a four strokes when writing the alphabet "TUS" on the tablet, we divided each stroke into the segments of [6,6,15,15], and constructed authentication system by comparing the representative coordinates of each segment and the writing speeds with those of the template sign.
In addition, in order to deal with the aging effect of the sign, we proposed an update algorithm that can maintain authentication precision, and used it in the above system. As a result of investigating the changes of the authentication precision of each feature amounts of 12 subjects after 50 days, it is found that FRR could be improved from 0%~70% to 0%~30% in comparison with or without an update.
Keyword (in Japanese) (See Japanese page) 
(in English) Smartphone / Tablet / Touch / Stroke / Template update， / Stroke signature authentication / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 182, BioX2016-13, pp. 33-38, Aug. 2016.
Paper # BioX2016-13 
Date of Issue 2016-08-11 (BioX) 
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 BioX  
Conference Date 2016-08-18 - 2016-08-19 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Biometrics, etc. 
Paper Information
Registration To BioX 
Conference Code 2016-08-BioX 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Study on Authentication System using the Coordinates and Writing Speeds of Segments Extracted from Sign Strokes on Tablet 
Sub Title (in English)  
Keyword(1) Smartphone  
Keyword(2) Tablet  
Keyword(3) Touch  
Keyword(4) Stroke  
Keyword(5) Template update，  
Keyword(6) Stroke signature authentication  
Keyword(7)  
Keyword(8)  
1st Author's Name Kazuya Tsubota  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Keiko Masuda  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Seiichirou Hangai  
3rd Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2016-08-19 09:00:00 
Presentation Time 25 minutes 
Registration for BioX 
Paper # BioX2016-13 
Volume (vol) vol.116 
Number (no) no.182 
Page pp.33-38 
#Pages 6 
Date of Issue 2016-08-11 (BioX) 

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