用无人机视频分析飞盘比赛中空间创造与传球关系
Space evaluation based on pitch control using drone video in Ultimate
- 基于足球控场模型改造，结合位置与距离权重评估空间
- 发现移动制造空间和精准传入是得分关键因素
- 适用于3人制飞盘比赛研究，代码开源可复现
飞盘运动中，持盘者不能移动，创造空间成为进攻核心。尽管足球、篮球等项目已有大量空间评估研究，但飞盘领域仍缺乏系统方法。本研究聚焦广泛开展的3人制飞盘比赛，利用无人机拍摄并校正视角获取球员位置数据，将足球控场模型适配至飞盘规则（持盘者静止），通过融合位置与距离权重生成空间评估指标。结果表明，主动移动制造空间以及精准传入该空间均显著影响得分。相关代码已公开于https://github.com/shunsuke-iwashita/USO。
原文摘要 · Abstract (English)
Ultimate is a sport in which teams of seven players compete for points by passing a disc into the end zone. A distinctive aspect of Ultimate is that the player holding the disc is unable to move, underscoring the significance of creating space to receive passes. Despite extensive research into space evaluation in sports such as football and basketball, there is a paucity of information available for Ultimate. This study focuses on the 3-on-3 format, which is widely practiced in Ultimate, and evaluates space during offensive play. The data collection process entailed the use of drones for filming and the subsequent correction of the angles for the purpose of obtaining positional data. The model is derived from the pitch control model of soccer and adapted to the rules of Ultimate, where the player holding the disc is stationary. The integration of position and distance weights with pitch control values enables the derivation of space evaluation metrics. The findings of this study indicate that movement to create space and accurate passing into that space are both significant factors in scoring. The code is available at https://github.com/shunsuke-iwashita/USO.
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