I. AL-SAIF, K.; H. SALEH, A. Denoise Digital Images Depending on Contourlet Transform. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 7, n. 3, p. 227–242, 2010. DOI: 10.33899/csmj.2010.163940 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/37051. Acesso em: 26 sep. 2025.