edge detection using modification prewitt operators. Baghdad Science Journal, Iraq, Baghdad, v. 2, n. 3, p. 484–491, 2021. DOI: 10.21123/bsj.2005.2.3.484-491. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/641.. Acesso em: 28 apr. 2024.