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Paper Abstract and Keywords
Presentation 2018-02-19 13:50
Use of Homomorphic Encryption for Secret Person Re-identification
Kazunari Morita, Masaki Harayama, Hiroki Yoshimura, Masashi Nishiyama, Yoshio Iwai (Tottori Univ.) PRMU2017-154 CNR2017-32
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, We propose a person re-identification method during cameras with homomorphic encryption. homomorphic encryption has the advantage that the capable of calculating the inner product without decryption, and we expect this advantage makes our proposed method confidentiality strongly. But, the features using in person re-identification in general are expressed with decimal. However, we can encrypt only the feature expressed in integer with homomorphic encryption. Therefore, we convert features from decimal to integer with quantizing the features. From result, we demonstrated decreasing in accuracy within three points when in person re-identification with three datasets and original dataset, we quantize the feature with homomorphic encryption.
Keyword (in Japanese) (See Japanese page) 
(in English) person re-identification / homomorphic encryption / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 442, PRMU2017-154, pp. 53-58, Feb. 2018.
Paper # PRMU2017-154 
Date of Issue 2018-02-12 (PRMU, CNR) 
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)
Download PDF PRMU2017-154 CNR2017-32

Conference Information
Committee PRMU CNR  
Conference Date 2018-02-19 - 2018-02-20 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To PRMU 
Conference Code 2018-02-PRMU-CNR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Use of Homomorphic Encryption for Secret Person Re-identification 
Sub Title (in English)  
Keyword(1) person re-identification  
Keyword(2) homomorphic encryption  
1st Author's Name Kazunari Morita  
1st Author's Affiliation Tottori University (Tottori Univ.)
2nd Author's Name Masaki Harayama  
2nd Author's Affiliation Tottori University (Tottori Univ.)
3rd Author's Name Hiroki Yoshimura  
3rd Author's Affiliation Tottori University (Tottori Univ.)
4th Author's Name Masashi Nishiyama  
4th Author's Affiliation Tottori University (Tottori Univ.)
5th Author's Name Yoshio Iwai  
5th Author's Affiliation Tottori University (Tottori Univ.)
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Speaker Author-1 
Date Time 2018-02-19 13:50:00 
Presentation Time 30 minutes 
Registration for PRMU 
Paper # PRMU2017-154, CNR2017-32 
Volume (vol) vol.117 
Number (no) no.442(PRMU), no.443(CNR) 
Page pp.53-58 
Date of Issue 2018-02-12 (PRMU, CNR) 

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