Discrete Wavelet Transform Based Optoelectronic Water Mark Technology. International Journal of Emerging Trends in Science and Technology, [S. l.], v. 4, n. 02, p. 4964–4969, 2017. Disponível em: https://ijetst.in/index.php/ijetst/article/view/985. Acesso em: 24 oct. 2026.