SETIADIKARUNIA, Daniel; SARAGIH, Riko A; SUSANTHI, Yohana; LIU, Vincent. Watermarking Citra Digital menggunakan Contourlet Transform, Discrete Cosine Transform dan Noise Visibility Function. TELKA - Telekomunikasi Elektronika Komputasi dan Kontrol, [S. l.], v. 8, n. 1, p. 24–35, 2022. DOI: 10.15575/telka.v8n1.24-35. Disponível em: https://telka.ee.uinsgd.ac.id/TELKA/article/view/telka.v8n1.24-35. Acesso em: 15 des. 2025.