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| Presentation | 2021-10-22 13:50 Modeling and prediction of injury occurrences of sumo wrestlers by using Hawkes process Shuhei Ota (Kanagawa Univ.), Mitsuhiro Kimura (Hosei Univ.)  R2021-30 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In sumo wrestling, which is a Japanese traditional sport, lots of sumo wrestlers suffer from injuries through actual bouts. Because sumo wrestling loses its fun by increasing the number of injury occurrences of sumo wrestlers, the necessity of creating systems to reduce injury occurrences of sumo wrestlers has been discussed for a long time (e.g., kosho system). However, most of the discussions have not been done based on the quantitative evaluation of the injury. Therefore, we propose a stochastic model of injury occurrences for sumo wrestlers and evaluate the risk of injury occurrences of sumo wrestlers. In particular, we estimate the probability of an injury occurrence for a sumo wrestler in a grand sumo tournament. While previous research modeled the injury occurrence by using the non-homogeneous Poisson process that is well-known in reliability engineering, we model it by the Hawkes process. We reveal that the proposed model is fitter for the actual data than the previous model. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | sumo / sports injury / injury prediction / statistical data / Hawkes process / reliability engineering / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 216, R2021-30, pp. 1-6, Oct. 2021. | |
| Paper # | R2021-30 | |
| Date of Issue | 2021-10-15 (R) | |
| 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 | R2021-30 |
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| Conference Information | |
| Committee | R |
| Conference Date | 2021-10-22 - 2021-10-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Reliability of Information Communication System, Reliability General |
| Paper Information | |
| Registration To | R |
| Conference Code | 2021-10-R |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Modeling and prediction of injury occurrences of sumo wrestlers by using Hawkes process |
| Sub Title (in English) | |
| Keyword(1) | sumo |
| Keyword(2) | sports injury |
| Keyword(3) | injury prediction |
| Keyword(4) | statistical data |
| Keyword(5) | Hawkes process |
| Keyword(6) | reliability engineering |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Shuhei Ota |
| 1st Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 2nd Author's Name | Mitsuhiro Kimura |
| 2nd Author's Affiliation | Hosei University (Hosei Univ.) |
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| Speaker | Author-1 |
| Date Time | 2021-10-22 13:50:00 |
| Presentation Time | 25 minutes |
| Registration for | R |
| Paper # | R2021-30 |
| Volume (vol) | vol.121 |
| Number (no) | no.216 |
| Page | pp.1-6 |
| #Pages | 6 |
| Date of Issue | 2021-10-15 (R) |
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