ROBUST WATERMARKING TECHNIQUE USING DIFFERENT WAVELET DECOMPOSITION LEVELS FOR SIGNATURE IMAGE PROTECTION. Journal of Information and Communication Technology, [S. l.], v. 16, n. 1, p. 157–174, 2017. Disponível em: https://www.educationmalaysia.co.uk/index.php/jict/article/view/8227. Acesso em: 10 nov. 2025.