Lourenço, V., 		Silva, G., & 		Fernandes, L.
(2019).
Hierarchy-of-Visual-Words: a Learning-based Approach for Trademark Image Retrieval.
In <em>Anais da XXXII Conference on Graphics, Patterns and Images</em>. Porto Alegre: SBC.
doi:10.5753/sibgrapi.2019.9803