Visualization of dominant region in team games and its application to teamwork analysis

Tsuyoshi Taki, J. Hasegawa
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引用次数: 87

Abstract

The authors present a method for visualization of an invisible feature in human group motion. This feature called "dominant region" is a kind of dynamic sphere of influence. A dominant region is defined as a region in where the person can arrive earlier than any other persons and can be formulated by replacing the distance function in the Voronoi region with a time function. As an application of the dominant region, a motion analysis system of team ball games was developed. In this system, the dominant region is used for quantitative evaluation of basic teamwork. From the experiments using actual soccer game scenes, it was shown that inferior or superior areas for each player and each team in the game can be observed visually and that some basic factor for teamwork can be evaluated quantitatively by using the dominant region. These evaluation results almost correspond with those by some professionals.
团队比赛优势区可视化及其在团队分析中的应用
作者提出了一种可视化人类群体运动中不可见特征的方法。这种被称为“主导区域”的特征是一种动态的势力范围。优势区域定义为一个人可以比其他任何人更早到达的区域,可以用时间函数代替Voronoi区域中的距离函数来表示。作为优势区域的应用,开发了团队球类运动分析系统。该系统采用优势区域对基本团队合作进行定量评价。通过实际足球比赛场景的实验,可以直观地观察到每个球员和每个球队在比赛中的劣势或优势区域,并且可以利用优势区域定量评价团队合作的一些基本因素。这些评价结果与一些专业人士的评价结果基本一致。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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