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| Presentation | 2012-03-16 17:15 Liveness Detection Method for Iris Recognition Using the Shadow Variation of Iris Edge Hironobu Takano, Wataru Hayasaki, Kiyomi Nakamura (Toyama Pref. Univ.)  MBE2011-149 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A novel liveness detection method using the shadow around the iris edge depending on the directions of near-infrared illumination is developed. Iris recognition system is vulnerable to deception by fake irises although iris recognition is the most reliable method in biometrics. To overcome such a problem, various liveness detection methods have been proposed: the fast Fourier spectrum method, corneal reflection method, etc. However, these liveness detection methods accept an imposter as a legitimate person by using simple methods with a printed iris image. In this study, to develop the novel liveness detection method, the brightness variation in the iris edge was investigated by changing the direction of near-infrared illuminations. From the experimental results, the suitable combinations of the directions of near-infrared illuminations were $0^\circ$, $45^\circ$ and $75^\circ$. The brightness variation rates were calculated between $0^\circ$ and $45^\circ$ as $f^{45}_{avg}$, and between $0^\circ$ and $75^\circ$ as $f^{75}_{avg}$. The $f^{45}_{avg}$ in the live iris was between $4.63\%$ and $18.23\%$. While, the $f^{75}_{avg}$ in the live iris was over $18.23\%$. For the fake iris, on the other hand, the brightness variation rates for both $f^{45}_{avg}$ and $f^{75}_{avg}$ were less than $3\%$. Thus, the fake iris can be detected by using the difference of brightness variation rates between the live and fake irises. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Liveness detection / Iris recognition / Fake iris / Shadow variation / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 482, MBE2011-149, pp. 219-224, March 2012. | |
| Paper # | MBE2011-149 | |
| Date of Issue | 2012-03-07 (MBE) | |
| 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) | |
| Download PDF | MBE2011-149 |
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| Conference Information | |
| Committee | MBE NC |
| Conference Date | 2012-03-14 - 2012-03-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tamagawa University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MBE |
| Conference Code | 2012-03-MBE-NC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Liveness Detection Method for Iris Recognition Using the Shadow Variation of Iris Edge |
| Sub Title (in English) | |
| Keyword(1) | Liveness detection |
| Keyword(2) | Iris recognition |
| Keyword(3) | Fake iris |
| Keyword(4) | Shadow variation |
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| Keyword(8) | |
| 1st Author's Name | Hironobu Takano |
| 1st Author's Affiliation | Toyama Prefectural University (Toyama Pref. Univ.) |
| 2nd Author's Name | Wataru Hayasaki |
| 2nd Author's Affiliation | Toyama Prefectural University (Toyama Pref. Univ.) |
| 3rd Author's Name | Kiyomi Nakamura |
| 3rd Author's Affiliation | Toyama Prefectural University (Toyama Pref. Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-03-16 17:15:00 |
| Presentation Time | 25 minutes |
| Registration for | MBE |
| Paper # | MBE2011-149 |
| Volume (vol) | vol.111 |
| Number (no) | no.482 |
| Page | pp.219-224 |
| #Pages | 6 |
| Date of Issue | 2012-03-07 (MBE) |
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