NIENIEWSKI, M.; PATHAK, P.K. Changes Detection in Two Images Using Walsh Functions and the Likelihood Test Method. Engineering Transactions, [S. l.], v. 39, n. 2, p. 139–161, 1991. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/1619. Acesso em: 9 oct. 2025.