Derivative of an image that corrupted by additive noise. Iraqi Journal of Physics, [S. l.], v. 12, n. 23, p. 30–35, 2019. DOI: 10.30723/ijp.v12i23.335. Disponível em: https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/335.. Acesso em: 30 apr. 2024.