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| Presentation | 2012-09-03 09:30 Simultaneous training of multi-class object detectors via large scale image dataset -- introduction of target specific negative classes -- Asako Kanezaki, Sho Inaba, Yoshitaka Ushiku, Yuya Yamashita, Hiroshi Muraoka, Tatsuya Harada, Yasuo Kuniyoshi (Univ. Tokyo)  PRMU2012-42 IBISML2012-25 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We propose an efficient method to train multiple object detectors simultaneously using a large-scale image dataset. The one-vs-all approach that optimizes the boundary between positive samples from a target class and negative samples from the others has been the most standard approach for object detection. However, because this approach trains each object detector independently, the likelihoods are not balanced between object classes. The proposed method combines ideas derived from both detection and classification in order to balance the scores across all object classes. We optimized the boundary between target classes and their hard-negative samples, just as in detection, while simultaneously balancing the detector likelihoods across object classes, as done in multi-class classification. We evaluated the performances on multi-class object detection using a subset of the ImageNet Large Scale Visual Recognition Challenge (ILSVRC) 2011 dataset and showed our method outperformed a de facto standard method. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | object detection / multiclass classification / large-scale image dataset / online learning / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 197, PRMU2012-42, pp. 105-112, Sept. 2012. | |
| Paper # | PRMU2012-42 | |
| Date of Issue | 2012-08-26 (PRMU, IBISML) | |
| 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 | PRMU2012-42 IBISML2012-25 |
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| Conference Information | |
| Committee | PRMU IBISML IPSJ-CVIM |
| Conference Date | 2012-09-02 - 2012-09-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | PRMU |
| Conference Code | 2012-09-PRMU-IBISML-CVIM |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Simultaneous training of multi-class object detectors via large scale image dataset |
| Sub Title (in English) | introduction of target specific negative classes |
| Keyword(1) | object detection |
| Keyword(2) | multiclass classification |
| Keyword(3) | large-scale image dataset |
| Keyword(4) | online learning |
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| 1st Author's Name | Asako Kanezaki |
| 1st Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
| 2nd Author's Name | Sho Inaba |
| 2nd Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
| 3rd Author's Name | Yoshitaka Ushiku |
| 3rd Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
| 4th Author's Name | Yuya Yamashita |
| 4th Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
| 5th Author's Name | Hiroshi Muraoka |
| 5th Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
| 6th Author's Name | Tatsuya Harada |
| 6th Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
| 7th Author's Name | Yasuo Kuniyoshi |
| 7th Author's Affiliation | The University of Tokyo (Univ. Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2012-09-03 09:30:00 |
| Presentation Time | 30 minutes |
| Registration for | PRMU |
| Paper # | PRMU2012-42, IBISML2012-25 |
| Volume (vol) | vol.112 |
| Number (no) | no.197(PRMU), no.198(IBISML) |
| Page | pp.105-112 |
| #Pages | 8 |
| Date of Issue | 2012-08-26 (PRMU, IBISML) |
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