, A. P. Image Retrieval Using Gradient Operators. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 2, n. 1, p. 01–04, 2014. DOI: 10.17762/ijritcc.v2i1.2903. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/2903. Acesso em: 5 may. 2024.