SAHIR, Mourad; BEKKOUCHE, Tewfik; BELILITA, Fairouz; AMARDJIA, Nourredine. An Optimized Color Image Watermarking Scheme based on HD and SVD in DWT Domain. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 2, p. 21639–21646, 2025. DOI: 10.48084/etasr.9504. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/9504. Acesso em: 3 jun. 2026.