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From Optical Tracking to Tactical Performance via Voronoi Diagrams: Team Formation and Players' Roles Constrain Interpersonal Linkages in High-Level Football

Caldeira, Nelson ; Lopes, Rui J ; Fernandes, Dinis ; Araujo, Duarte

Sensors (Basel, Switzerland), 2022-12, Vol.23 (1), p.273 [Periódico revisado por pares]

Switzerland: MDPI AG

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  • Título:
    From Optical Tracking to Tactical Performance via Voronoi Diagrams: Team Formation and Players' Roles Constrain Interpersonal Linkages in High-Level Football
  • Autor: Caldeira, Nelson ; Lopes, Rui J ; Fernandes, Dinis ; Araujo, Duarte
  • Assuntos: affordances ; Computation ; Football ; Linkages ; Optical measuring instruments ; Optical tracking ; Players ; Probability density functions ; Roles ; Sensors ; spatial dominance patterns ; Sports associations ; Statistical analysis ; team synergies ; Teams ; Voronoi cells ; Voronoi graphs
  • É parte de: Sensors (Basel, Switzerland), 2022-12, Vol.23 (1), p.273
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: Football performance behaviour relies on the individual and collective perceptual attunement to the opportunities for action (affordances) available in a given competitive environment. Such perception-action coupling is constrained by players' spatial dominance. Aiming to understand the influence of team formation and players' roles in their dynamic interaction (interpersonal linkages), Voronoi diagrams were used to assess the differences in players' spatial dominance resulting from their interactions according to ball-possession status in high-performance football. Notational (i.e., team formation, players' role, and ball-possession status) and positional data (from optical sensors) from ten matches of the men's French main football league were analysed. Voronoi diagrams were computed from players' positional data for both teams. Probability density functions of the players' Voronoi cell areas were then computed and compared, using the Kolmogorov-Smirnov test, for the different variables (i.e., team formation, player role, and ball-possession status) and their classes. For these variables, the players' Voronoi cell areas presented statistical differences, which were sensitive to team formation classes (i.e., defenders, midfielders, and forwards) and relative pitch location (interior or exterior in the effective play space). Differences were also found between players with similar roles when in different team formations. Our results showed that team formation and players' roles constrain their interpersonal linkages, resulting in different spatial dominance patterns. Using positional data captured by optical sensors, Voronoi diagrams can be computed into compound variables, which are meaningful for understanding the match and thus offer information to the design representative training tasks.
  • Editor: Switzerland: MDPI AG
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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