BOONSIVANON, K.; THITAPARS, S. An automatic threshold level selection method for AR marker’s tracking under conditions. Engineering and Applied Science Research, [S. l.], v. 40, n. 4, p. 605–615, 2014. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/21747. Acesso em: 16 may. 2024.