ZHANG, Z.; LI, X.; YUE, H. .; LI, F. . Reversible Authentication Watermarking Based on Improved 2D Histogram and Adaptive Difference Expansion. Contemporary Mathematics , [S. l.], v. 6, n. 5, p. 6130–6148, 2025. DOI: 10.37256/cm.6520257735. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/7735. Acesso em: 10 jan. 2026.