Castro, Pedro, Gabriel Fortuna, Pedro Silva, Andrea G. C. Bianchi, Gladston Moreira, and Eduardo Luz. " Merging Traditional Feature Extraction and Deep Learning for Enhanced Hop Variety Classification: A Comparative Study Using the UFOP-HVD Dataset." Anais da XII Brazilian Conference on Intelligent Systems, Belo Horizonte/MG, 2023. SBC, 2023, pp.307-322.