14 December 1998 Dominant region: a basic feature for group motion analysis and its application to teamwork evaluation in soccer games
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Abstract
This paper proposes a basic feature for quantitative measurement and evaluation of group behavior of persons. This feature called 'dominant region' is a kind of sphere of influence for each person in the group. The dominant region is defined as a region in where the person can arrive earlier than any other persons and can be formulated as Voronoi region modified by replacing the distance function with a time function. This time function is calculated based on a computational model of moving ability of the person. As an application of the dominant region, we present a motion analysis system of soccer games. The purpose of this system is to evaluate the teamwork quantitatively based on movement of all the players in the game. From experiments using motion pictures of actual games, it is suggested that the proposed feature is useful for measurement and evaluation of group behavior in team sports. This basic feature may be applied to other team ball games, such as American football, basketball, handball and water polo.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Tsuyoshi Taki, Tsuyoshi Taki, Jun-ichi Hasegawa, Jun-ichi Hasegawa, "Dominant region: a basic feature for group motion analysis and its application to teamwork evaluation in soccer games", Proc. SPIE 3641, Videometrics VI, (14 December 1998); doi: 10.1117/12.333797; https://doi.org/10.1117/12.333797
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