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Paper Abstract and Keywords
Presentation 2023-05-19 13:30
Writer Verification Based on Finger-writing of a Simple Symbol -- Introduction of Finger-softness Feature --
Takumi Fukuda, Takahiro Horiuchi, Isao Nakanishi (Tottori Univ) SIP2023-14 BioX2023-14 IE2023-14
Abstract (in Japanese) (See Japanese page) 
(in English) We proposed writer verification based on writing of a simple symbol on a smartphone screen, called where users draw a simple symbol with their finger as one form of biometric authentication.
Among the features used for authentication, it is considered that the finger contact area feature and finger pressure feature do not depend on the shape of the symbol. This paper focuses on the relationship between finger contact area and finger pressure, which increase proportionally when pressing the finger on a smartphone screen.
Specifically, we plot the time-series data of finger pressure and finger contact area on a two-dimensional graph, approximate their relationship with a straight line, and use the slope and intercept as a new feature called "finger softness feature."
The Equal Error Rate (EER) of this new feature was obtained as 19.8% as the best case and an average EER of around 23%. The new feature is considered superior compared to directly using conventional finger pressure and finger contact area features.
Keyword (in Japanese) (See Japanese page) 
(in English) Biometrics / Simple Symbol / Written Authentication / Finger-softness Feature / / / /  
Reference Info. IEICE Tech. Rep., vol. 123, no. 28, BioX2023-14, pp. 63-68, May 2023.
Paper # BioX2023-14 
Date of Issue 2023-05-11 (SIP, BioX, IE) 
ISSN 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 SIP2023-14 BioX2023-14 IE2023-14

Conference Information
Committee BioX SIP IE ITE-IST ITE-ME  
Conference Date 2023-05-18 - 2023-05-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Sansui Hall, Mie University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To BioX 
Conference Code 2023-05-BioX-SIP-IE-IST-ME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Writer Verification Based on Finger-writing of a Simple Symbol 
Sub Title (in English) Introduction of Finger-softness Feature 
Keyword(1) Biometrics  
Keyword(2) Simple Symbol  
Keyword(3) Written Authentication  
Keyword(4) Finger-softness Feature  
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1st Author's Name Takumi Fukuda  
1st Author's Affiliation Tottori University (Tottori Univ)
2nd Author's Name Takahiro Horiuchi  
2nd Author's Affiliation Tottori University (Tottori Univ)
3rd Author's Name Isao Nakanishi  
3rd Author's Affiliation Tottori University (Tottori Univ)
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Speaker Author-1 
Date Time 2023-05-19 13:30:00 
Presentation Time 30 minutes 
Registration for BioX 
Paper # SIP2023-14, BioX2023-14, IE2023-14 
Volume (vol) vol.123 
Number (no) no.27(SIP), no.28(BioX), no.29(IE) 
Page pp.63-68 
#Pages 6 
Date of Issue 2023-05-11 (SIP, BioX, IE) 

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