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| Presentation | 2023-05-19 15:15 Judgement of out-of-bounds in basketball by object detection and depth estimation Ryoma Ishida, Tetsuya Matsumoto (Nagoya Univ.), Yoshinori Takeuchi (Daido Univ.), Hiroaki Kudo (Nagoya Univ.)  IMQ2023-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this report, we propose a system which performs judgements of out-of-bounds in basketball using a monocular camera image. The system detects three types of objects (player, shoes, and a ball) and estimates their 3D depth. It determines whether the shoes and the ball are in contact with the floor surface. We experimented the proposed system with video clips of a basketball game. The results showed that mean average of precision of object detection process was about 0.84, and mean absolute error on the court boundary line of an image as depth estimation process was 0.28 m. The output of proposed system in16 of 19 images were corresponded with the major judge by 18 participants. It show the proposed system may be useful as a judgment method from monocular camera images. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | monocular image / object detection / depth estimation / basketball / judgements of out-of-bounds / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 123, no. 44, IMQ2023-1, pp. 1-6, May 2023. | |
| Paper # | IMQ2023-1 | |
| Date of Issue | 2023-05-12 (IMQ) | |
| 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 | IMQ2023-1 |
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| Conference Information | |
| Committee | IMQ |
| Conference Date | 2023-05-19 - 2023-05-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Seikei Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Image Media Quality, etc. |
| Paper Information | |
| Registration To | IMQ |
| Conference Code | 2023-05-IMQ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Judgement of out-of-bounds in basketball by object detection and depth estimation |
| Sub Title (in English) | |
| Keyword(1) | monocular image |
| Keyword(2) | object detection |
| Keyword(3) | depth estimation |
| Keyword(4) | basketball |
| Keyword(5) | judgements of out-of-bounds |
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| Keyword(8) | |
| 1st Author's Name | Ryoma Ishida |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Tetsuya Matsumoto |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Yoshinori Takeuchi |
| 3rd Author's Affiliation | Daido Univerisity (Daido Univ.) |
| 4th Author's Name | Hiroaki Kudo |
| 4th Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-4 |
| Date Time | 2023-05-19 15:15:00 |
| Presentation Time | 25 minutes |
| Registration for | IMQ |
| Paper # | IMQ2023-1 |
| Volume (vol) | vol.123 |
| Number (no) | no.44 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2023-05-12 (IMQ) |
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