Lima, K., 		Figueiredo, R., 		Martins, E., & 		Schmith, J.
(2021).
Virtual lines for offside situations analysis in football.
In <em>Anais Estendidos da XXXIV Conference on Graphics, Patterns and Images</em>, (pp. 189-194). Porto Alegre: SBC.
doi:10.5753/sibgrapi.est.2021.20037