A Study of an Estimation Method of a Score Transition in a Table Tennis Video

DOI
  • KATO Shoma
    Department of Information Science, Aichi Institute of Technology
  • SAWANO Hiroaki
    Department of Information Science, Aichi Institute of Technology
  • KITO Akira
    Department of Information Science, Aichi Institute of Technology
  • ISHII Norio
    School of Nursing, Ichinomiya Kenshin College
  • SUZUKI Yuri
    Faculty of Engineering, Chubu University

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Other Title
  • 卓球映像における得点推移の推定手法の提案

Abstract

It is important to analyze a service in a table tennis, and a table tennis player confirms a service hitting style and a ball course by an opponent with a video. Since the tendencies of the service and the course are different in a game situation, it is necessary to watch all of the video and to record one. In this study, we propose a method for estimating a score transition in a broadcast table tennis video. A score region in a scoreboard is detected with an image processing, and the score transition is estimated with a brightness change in the detected region. We evaluated the proposed method with five table tennis videos. Experimental result shows that the accuracy of the score transition detection is 90 %.

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