Image Denoising via Group Sparse Representations over Local SVD and Variational Model. CSIAM Transactions on Applied Mathematics, [S. l.], v. 6, n. 2, p. 380–411, 2025. DOI: 10.4208/csiam-am.SO-2024-0030. Disponível em: https://www.global-sci.com/index.php/csiam-am/article/view/7888. Acesso em: 6 dec. 2025.