A Contourlet-Based Image Denoising Technique with Coefficient Threshold Level Estimation. Tikrit Journal of Engineering Sciences, [S. l.], v. 20, n. 4, p. 11–22, 2013. DOI: 10.25130/tjes.20.4.02. Disponível em: https://www.tj-es.com/ojs/index.php/tjes/article/view/421.. Acesso em: 9 sep. 2026.