Three-Dimensional Analytical Method of Team Sports Employing Multiple Cameras

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  • TABUSA Tomonori
    Department of Computer Engineering, Yuge National Collage of Maritime Technology
  • YOKOTA Takahiro
    Department of Computer Engineering, Yuge National Collage of Maritime Technology
  • ISHIKAWA Seiji
    Department of Mechanical and Control Engineering, Kyushu Institute of Technology

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Other Title
  • 多視点カメラを用いたチームスポーツの三次元解析法
  • タシテン カメラ オ モチイタ チーム スポーツ ノ 3ジゲン カイセキホウ

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We propose a three-dimensional measurement method based on extended measurement matrix. Direct linear transformation (DLT) method is widely used for 3-D measurement for team sport analysis. However, DTL method needs camera calibrations and it is difficult to execute it immediately in the wide area such as soccer ground and basketball court. The proposed method enables us to recover 3-D measurement results without any calibrations. We apply it to the formation analysis of three kinds of team sports including soccer volleyball, and basketball in order to evaluate the performance of our method.

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