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Paper Abstract and Keywords
Presentation 2018-03-03 15:25
Examination of a text-independent authentication using character image for e-Testing
Taisuke Kawamata, Sota Shimizu, Takako Akakura (TUS) ET2017-130
Abstract (in Japanese) (See Japanese page) 
(in English) On e-Testing, it is necessary to prevent impersonation to ensure fairness.
There are researches that the examinee authentication method to prevent the spoofing using writing data taken by pen tablet.
In these researches, a method with sub-stroke was proposed.
This method is independent on the form of the characters and it means that the examinee can be authenticate on the short-answer examination, and an evaluation result suggested the possibility of authentication of characters (kanji) mainly on straight lines by this method.
In this paper, we examined an authentication procedure which allows to compare among different characters contain curve strokes. We applied codebook and chaincode proposed in related work to examinee authentication. From the result of an evaluation experiment, it was suggested that codebook and local chaincode features are effective features for writer authentication of different characters.
Keyword (in Japanese) (See Japanese page) 
(in English) e-Testing / Examinee authentication / Handwriting character / Sub-stroke / codebook / chaincode / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 469, ET2017-130, pp. 239-242, March 2018.
Paper # ET2017-130 
Date of Issue 2018-02-24 (ET) 
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 ET  
Conference Date 2018-03-03 - 2018-03-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Kochi University of Technology (Eikokuji Campus) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Standardization and Utilization of e-Textbook/e-Learning, etc. 
Paper Information
Registration To ET 
Conference Code 2018-03-ET 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Examination of a text-independent authentication using character image for e-Testing 
Sub Title (in English)  
Keyword(1) e-Testing  
Keyword(2) Examinee authentication  
Keyword(3) Handwriting character  
Keyword(4) Sub-stroke  
Keyword(5) codebook  
Keyword(6) chaincode  
Keyword(7)  
Keyword(8)  
1st Author's Name Taisuke Kawamata  
1st Author's Affiliation Tokyo University of Science (TUS)
2nd Author's Name Sota Shimizu  
2nd Author's Affiliation Tokyo University of Science (TUS)
3rd Author's Name Takako Akakura  
3rd Author's Affiliation Tokyo University of Science (TUS)
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Speaker Author-1 
Date Time 2018-03-03 15:25:00 
Presentation Time 20 minutes 
Registration for ET 
Paper # ET2017-130 
Volume (vol) vol.117 
Number (no) no.469 
Page pp.239-242 
#Pages
Date of Issue 2018-02-24 (ET) 


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