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Paper Abstract and Keywords
Presentation 2023-03-17 10:20
A Reaction Interval Estimation Method Based on Recursive Short-term Principal Components Analysis for Skeletal Information of Badminton Players
Kana Sagawa, Hidehiko Shishido, Masashi Suita, Itaru Kitahara (Tsukuba Univ.) IMQ2022-66 IE2022-143 MVE2022-96
Abstract (in Japanese) (See Japanese page) 
(in English) Data analysis is becoming increasingly important in the field of competitive sports and games. Our research aims to realize the measurement of the shot reaction interval of badminton players based on time-series 3D skeletal information and investigate effective plays and tactics in situations where game dominance changes by analyzing the measured reaction interval. In the proposed method, the shot reaction interval is estimated using the motion information of a badminton player. A recursive short-term principal component analysis is applied to sequential 3D skeletal information of the athlete to extract features useful for motion analysis. Hit time and reaction time are detected by finding extrema in the first and second principal component scores. The reaction interval for a shot is estimated as the time from the hit time to the reaction time where the player starts moving in response. We applied the proposed method to the 3D skeletal information of a badminton player and confirmed that the reaction interval can be estimated.
Keyword (in Japanese) (See Japanese page) 
(in English) Badminton / Reaction Interval Estimation, / Sequential 3D Skeletal Information / Recursive Short-Term Principal Component Analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 440, MVE2022-96, pp. 229-234, March 2023.
Paper # MVE2022-96 
Date of Issue 2023-03-08 (IMQ, IE, MVE) 
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 IMQ2022-66 IE2022-143 MVE2022-96

Conference Information
Committee IMQ IE MVE CQ  
Conference Date 2023-03-15 - 2023-03-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawaken Seinenkaikan (Naha-shi) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Media of five senses, Multimedia, Media experience, Picture codinge, Image media quality, Network,quality and reliability, etc（AC） 
Paper Information
Registration To MVE 
Conference Code 2023-03-IMQ-IE-MVE-CQ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Reaction Interval Estimation Method Based on Recursive Short-term Principal Components Analysis for Skeletal Information of Badminton Players 
Sub Title (in English)  
Keyword(1) Badminton  
Keyword(2) Reaction Interval Estimation,  
Keyword(3) Sequential 3D Skeletal Information  
Keyword(4) Recursive Short-Term Principal Component Analysis  
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1st Author's Name Kana Sagawa  
1st Author's Affiliation Tsukuba University (Tsukuba Univ.)
2nd Author's Name Hidehiko Shishido  
2nd Author's Affiliation Tsukuba University (Tsukuba Univ.)
3rd Author's Name Masashi Suita  
3rd Author's Affiliation Tsukuba University (Tsukuba Univ.)
4th Author's Name Itaru Kitahara  
4th Author's Affiliation Tsukuba University (Tsukuba Univ.)
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Speaker Author-1 
Date Time 2023-03-17 10:20:00 
Presentation Time 25 minutes 
Registration for MVE 
Paper # IMQ2022-66, IE2022-143, MVE2022-96 
Volume (vol) vol.122 
Number (no) no.437(IMQ), no.439(IE), no.440(MVE) 
Page pp.229-234 
#Pages 6 
Date of Issue 2023-03-08 (IMQ, IE, MVE) 

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