Image filtering by convolution. Periodicals of Engineering and Natural Sciences, [S. l.], v. 11, n. 2, p. 186–196, 2023. DOI: 10.21533/pen.v11.i2.111. Disponível em: https://pen.ius.edu.ba/index.php/pen/article/view/111. Acesso em: 2 jun. 2026.