AL-SAFFAR, A.; ألحان. Remove regular noise from gray digital images using spatial filters. Journal of Education and Science (JES), [S. l.], v. 27, n. 1, p. 169–179, 2014. DOI: 10.33899/edusj.2014.162140. Disponível em: https://rjps.uomosul.edu.iq/index.php/edusj/article/view/17291. Acesso em: 4 aug. 2025.