MACÊDO, S.; MELO, G.; KELNER, J. A comparative study of grayscale conversion techniques applied to SIFT descriptors. Journal on Interactive Systems, Porto Alegre, RS, v. 6, n. 2, 2015. DOI: 10.5753/jis.2015.662. Disponível em: https://journals-sol.sbc.org.br/index.php/jis/article/view/662. Acesso em: 24 nov. 2024.