GHAZWAN JABBAR AHMED. A Watermarking Scheme for Digital Images Developed Using Discrete Cosine Transform (DCT). Web of Scholars: Multidimensional Research Journal, [S. l.], v. 2, n. 8, p. 108–118, 2023. Disponível em: https://innosci.org/wos/article/view/1598. Acesso em: 4 jul. 2024.