Security inspection image processing methods applying wavelet transform filters on Terahertz active images. Revista de Investigaciones Universidad del Quindío, [S. l.], v. 34, n. 1, p. 37–51, 2022. DOI: 10.33975/riuq.vol34n1.853. Disponível em: https://ojs.uniquindio.edu.co/ojs/index.php/riuq/article/view/853. Acesso em: 26 jun. 2026.