RAHARDI, M.; AMINUDDIN, A.; ABDULLOH, F. F.; SHOLIHAH, N.; ERNAWAN, F. Optimizing Imperceptibility and Robustness Using Selective DCT Coefficients for Image Copyright Protection. Engineering, Technology & Applied Science Research, Greece, v. 15, n. 4, p. 24825–24831, 2025. DOI: 10.48084/etasr.10241. Disponível em: https://www.etasr.com/index.php/ETASR/article/view/10241. Acesso em: 22 may. 2026.