An Improved Variational Model and Its Numerical Solutions for Speckle Noise Removal from Real Ultrasound Images. Journal of Computational Mathematics, [S. l.], v. 37, n. 2, p. 201–239, 2018. DOI: 10.4208/jcm.1711-m2015-0477. Disponível em: https://gsp.tricubic.dev/JCM/article/view/12359. Acesso em: 14 mar. 2026.