WATERMARK TECHNIQUE FOR AUTHENTICATION OF VISIBLY WATERMARK IMAGES. Journal of Al-Rafidain University College For Sciences ( Print ISSN: 1681-6870 ,Online ISSN: 2790-2293 ), [S. l.], v. 25, n. 2, p. 121–138, 2021. DOI: 10.55562/jrucs.v25i2.447. Disponível em: https://jrucs.iq/index.php/JAUCS/article/view/447. Acesso em: 13 may. 2026.