THANKI, R.; DWIVEDI, V. V.; BORISAGAR, K. 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://e-journal.uum.edu.my/index.php/jict/article/view/8227. Acesso em: 27 apr. 2024.