Image segmentation by using thresholding technique in two stages. Periodicals of Engineering and Natural Sciences, [S. l.], v. 9, n. 4, p. 531–541, 2021. DOI: 10.21533/pen.v9.i4.963. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/963. Acesso em: 15 nov. 2025.