Fig. 1: Representing the spatial arrangement of a team’s ten outfield players in a 4-4-2 formation.
From: Shape graphs and the instantaneous inference of tactical positions in soccer
We define a shape graph (b) as a subgraph of the Delaunay triangulation (a) that is more stable against shape-preserving perturbations (c). Note that small movements suffice to cause structural changes (dashed) in the Delaunay triangulation and its dual Voronoi diagram (gray).
