A description of time-space pattern on perceived distance in ball game

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Other Title
  • ボールゲームにおける知覚に基づいた時空間パターンの表現
  • ボールゲーム ニ オケル チカク ニ モトヅイタ ジクウカン パターン ノ ヒョウゲン

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Abstract

The movement pattern generated by players appears to be a self-organization phenomenon found in nature. In this study, we developed a way to describe the overall movement pattern of field hockey players as the sum of the movement patterns of each player. The action potential of each player, which represents the possibility of affecting a particular area in the field, was defined using both the position and movement of the player, which we expressed as the position and movement potential, respectively. Although the distance between a particular area and the position of the player affects these potentials, we introduced the nonlinear perceptual parameter omega, which has a Gaussian distribution, to describe the psychological distance and to define both potentials. Then, the action potential of each player was defined as an individual potential (IP) that was the sum of the positional (P) and movement (M) potentials. The team potential (TP) was calculated as the sum of the individual potentials for each team. A men's university championship was recorded using four synchronized cameras and analyzed using a two-dimensional DLT method to obtain the displacement of each player. These potentials were applied to this game and plotted as densities. It was found that the change in the team potential described the change in the movement pattern. However, further modification is needed to describe the complex interaction of each player and each team.

Journal

  • 総合保健体育科学

    総合保健体育科学 29 (1), 19-25, 2006-03-31

    The Research Center of Health, Physical Fitness and Sports, Nagoya University

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