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| Presentation | 2021-07-19 16:55 Evaluation on Biometric Template Protection System Based on Somewhat Homomorphic Encryption Hiroto Tamiya, Toshiyuki Isshiki, Kengo Mori (NEC), Satoshi Obana (Hosei Univ.), Tetsushi Ohki (Shizuoka Univ.)  ISEC2021-21 SITE2021-15 BioX2021-22 HWS2021-21 ICSS2021-26 EMM2021-26 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Many biometric template protection systems have been proposed to perform biometric authentication while keeping the biometric information secret. While most homomorphic encryption schemes encrypt integers, most face recognition algorithms output floating-point features. Therefore, we need to convert floating-point features to integer features. Ohki et al. have reported the quantization precision that does not affect the biometric performance for face recognition algorithms based on principal component analysis. In this paper, we evaluate quantization precisions that does not affect the biometric performance for face recognition algorithms based on machine learning and show the quantization precisions are about 5 bits. In addition, we evaluate running time of a biometric template protection system based on lattice-based somewhat homomorphic encryption, using integer features transformed with the quantization precision that does not affect the authentication accuracy, and show the authentication time is less than 50 ms. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | face recognition / quantization / biometric template protection / lattice-based cryptography / packing method / Euclidean distance / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 118, ISEC2021-21, pp. 68-73, July 2021. | |
| Paper # | ISEC2021-21 | |
| Date of Issue | 2021-07-12 (ISEC, SITE, BioX, HWS, ICSS, EMM) | |
| 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 | ISEC2021-21 SITE2021-15 BioX2021-22 HWS2021-21 ICSS2021-26 EMM2021-26 |
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| Conference Information | |
| Committee | BioX ISEC SITE ICSS EMM HWS IPSJ-CSEC IPSJ-SPT |
| Conference Date | 2021-07-19 - 2021-07-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ISEC |
| Conference Code | 2021-07-BioX-ISEC-SITE-ICSS-EMM-HWS-CSEC-SPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation on Biometric Template Protection System Based on Somewhat Homomorphic Encryption |
| Sub Title (in English) | |
| Keyword(1) | face recognition |
| Keyword(2) | quantization |
| Keyword(3) | biometric template protection |
| Keyword(4) | lattice-based cryptography |
| Keyword(5) | packing method |
| Keyword(6) | Euclidean distance |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroto Tamiya |
| 1st Author's Affiliation | NEC Corporation (NEC) |
| 2nd Author's Name | Toshiyuki Isshiki |
| 2nd Author's Affiliation | NEC Corporation (NEC) |
| 3rd Author's Name | Kengo Mori |
| 3rd Author's Affiliation | NEC Corporation (NEC) |
| 4th Author's Name | Satoshi Obana |
| 4th Author's Affiliation | Hosei University (Hosei Univ.) |
| 5th Author's Name | Tetsushi Ohki |
| 5th Author's Affiliation | Shizuoka University (Shizuoka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-07-19 16:55:00 |
| Presentation Time | 25 minutes |
| Registration for | ISEC |
| Paper # | ISEC2021-21, SITE2021-15, BioX2021-22, HWS2021-21, ICSS2021-26, EMM2021-26 |
| Volume (vol) | vol.121 |
| Number (no) | no.118(ISEC), no.119(SITE), no.120(BioX), no.121(HWS), no.122(ICSS), no.123(EMM) |
| Page | pp.68-73 |
| #Pages | 6 |
| Date of Issue | 2021-07-12 (ISEC, SITE, BioX, HWS, ICSS, EMM) |
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