Bouhadjer, M. E. A., Mazari, S., & Chikr El Mezouar, M. (2026). Annotation-efficient weed mapping in sorghum fields using two-stage U-Net crop segmentation and HSV greenness analysis. Revista Brasileira De Engenharia De Biossistemas, 20. https://doi.org/10.18011/bioeng.2026.v20.1389