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Paper Abstract and Keywords
Presentation 2015-03-14 10:35
Similarity Evaluation Methods of Sports Form by Using Depth Sensor
Masataka Kaneko, Hiroaki Kudo, Tetsuya Matsumoto (Nagoya Univ.), Yoshinori Takeuchi (Daido Univ.), Noboru Ohnishi (Nagoya Univ.) ET2014-109
Abstract (in Japanese) (See Japanese page) 
(in English) This paper shows similarity evaluation methods for detecting the motion difference between individuals to teach sports form. First, we capture time series data of joint positions by using Kinect (which is a motion sensing devices by Microsoft). Motion duration of sports varies from a person to a person. So we use the DP matching to make two motion lengths equal. We calculate correlation coefficients of joints quaternions every one second between quaternions. In the proposed method, we calculate vectors connecting joints (direction vector) at each frame from the time warped data, and evaluate them by using Euclidean distance at the same frame. We have conducted experiments in Karatedo motions and obtained that the proposed method could detect detailed difference between motions.
Keyword (in Japanese) (See Japanese page) 
(in English) sports form teaching / DP matching / quaternion correlation coefficient / direction vector / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 513, ET2014-109, pp. 137-142, March 2015.
Paper # ET2014-109 
Date of Issue 2015-03-07 (ET) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
and
reproduction
技術研究報告に掲載された論文の著作権はIEICEに帰属します.(許諾番号:10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ET2014-109

Conference Information
Committee ET  
Conference Date 2015-03-14 - 2015-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Shikoku Univ. Plaza 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cloud Technology for Education, etc. 
Paper Information
Registration To ET 
Conference Code 2015-03-ET 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Similarity Evaluation Methods of Sports Form by Using Depth Sensor 
Sub Title (in English)  
Keyword(1) sports form teaching  
Keyword(2) DP matching  
Keyword(3) quaternion correlation coefficient  
Keyword(4) direction vector  
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1st Author's Name Masataka Kaneko  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Hiroaki Kudo  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Tetsuya Matsumoto  
3rd Author's Affiliation Nagoya University (Nagoya Univ.)
4th Author's Name Yoshinori Takeuchi  
4th Author's Affiliation Daido University (Daido Univ.)
5th Author's Name Noboru Ohnishi  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker
Date Time 2015-03-14 10:35:00 
Presentation Time 25 
Registration for ET 
Paper # IEICE-ET2014-109 
Volume (vol) IEICE-114 
Number (no) no.513 
Page pp.137-142 
#Pages IEICE-6 
Date of Issue IEICE-ET-2015-03-07 


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