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Paper Abstract and Keywords
Presentation 2014-09-11 10:25
A Generation Scheme of Protected Templates Based on Orthogonal Transforms for Biometrics
Ibuki Nakamura, Takashi Kurakami (Tokyo Metropolitan Univ.), Yoshihide Tonomura (NTT), Hitoshi Kiya (Tokyo Metropolitan Univ.) SIS2014-52
Abstract (in Japanese) (See Japanese page) 
(in English) Since biometric features are personal and irrevocable data, some schemes which protect the features (templates) extracted from biometric information are indispensable.
This paper proposes a new scheme to generate protected templates based on the energy conservation law of orthogonal transforms for biometrics authentification.The proposed scheme can generate cancelable templates protected by a random number sequence.Furthermore, the Euclid distance between protected templates is exactly the same as that between original ones. From this feature, there is no degradation of recognition performance in any solving problem of L2 norm minimization, for biometrics authentification methods based on linear combination of training templates and query ones. The proposed method is also applied to some face recognition experiments by using the down-sampling method and the random projection method respectively, which are typical template generation methods, to verify the effectiveness of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Biometrics / Template protection / Cancelable biometrics / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 205, SIS2014-52, pp. 7-12, Sept. 2014.
Paper # SIS2014-52 
Date of Issue 2014-09-04 (SIS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 SIS IPSJ-AVM  
Conference Date 2014-09-11 - 2014-09-12 
Place (in Japanese) (See Japanese page) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Intelligent Multimedia Systems, etc. 
Paper Information
Registration To SIS 
Conference Code 2014-09-SIS-AVM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Generation Scheme of Protected Templates Based on Orthogonal Transforms for Biometrics 
Sub Title (in English)  
Keyword(1) Biometrics  
Keyword(2) Template protection  
Keyword(3) Cancelable biometrics  
1st Author's Name Ibuki Nakamura  
1st Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
2nd Author's Name Takashi Kurakami  
2nd Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
3rd Author's Name Yoshihide Tonomura  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Hitoshi Kiya  
4th Author's Affiliation Tokyo Metropolitan University (Tokyo Metropolitan Univ.)
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Speaker Author-1 
Date Time 2014-09-11 10:25:00 
Presentation Time 20 minutes 
Registration for SIS 
Paper # SIS2014-52 
Volume (vol) vol.114 
Number (no) no.205 
Page pp.7-12 
Date of Issue 2014-09-04 (SIS) 

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