NAVARRO JOVER, J.; ALCAÑIZ-RAYA, M.; GÓMEZ, V.; BALASCH, S.; MORENO, J.; GRAU COLOMER, V.; TORRES, A. An automatic colour-based computer vision algorithm for tracking the position of piglets. Spanish Journal of Agricultural Research, v. 7, n. 3, p. 535-549, 1 Sep. 2009.