Analysis of Player Motion in Sport Matches

Authors Janez Pers, Matej Kristan, Matej Perse, Stanislav Kovacic

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Janez Pers
Matej Kristan
Matej Perse
Stanislav Kovacic

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Janez Pers, Matej Kristan, Matej Perse, and Stanislav Kovacic. Analysis of Player Motion in Sport Matches. In Computer Science in Sport - Mission and Methods. Dagstuhl Seminar Proceedings, Volume 8372, pp. 1-10, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2008)


The system for analysis of player motion during sport matches, developed at University of Ljubljana will be presented. The system allows for non-intrusive measurement of positions of all players in indoor sports through whole match using only inexpensive video equipment - cameras mounted on the ceiling of the sports hall. Tracking process (obtaining trajectories from videos) is automatic and only supervised by operator, to initialize player positions at the beginning and correct the mistakes during the tracking. The software provides means for user friendly calibration of video data - using court markings of each supported sport (e.g. european handball, basketball, squash, tennis...) as reference coordinates. Manual annotations can be added, to complement the quantitative data. Software keeps synchronization between annotations and trajectory data and provides means to use custom annotation dictionaries. Due to calibration, the results are provided in court coordinates (meters, centimeters) and can be exported (synchronized with annotations in same file) for further analysis with any application (e.g. excel, SPSS). Software itself supports several kinds of graphical data presentations. If time allows, the software itself will be demonstrated with examples from different sports.
  • Motion analysis
  • computer vision
  • performance analysis


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