Design of Digital Image Watermarking Technique with Two Stage Vector Extraction in Transform Domain. Journal of Information Technology and Digital World, [S. l.], v. 3, n. 3, p. 226–242, 2021. DOI: 10.36548/jitdw.2021.3.006. Disponível em: https://irojournals.com/itdw/article/view/1318. Acesso em: 18 mar. 2026.