CHEN, J. Crowd counting based on Difference Images. Elektronika ir Elektrotechnika, [S. l.], v. 19, n. 2, p. 83-87, 2013. DOI: 10.5755/j01.eee.19.2.3475. Disponível em: https://eejournal.ktu.lt/index.php/elt/article/view/3475. Acesso em: 30 apr. 2024.