Soybean yield estimation and lodging classification based on UAV multi-source data and self-supervised contrastive learning. - Longyu Zhou; Yong Zhang; Haochong Chen; Guangyao Sun; Lei Wang; Mingxue Li; Xuhong Sun; Puyu Feng; Long Yan; Lijuan Qiu; Yinghui Li; Yuntao Ma (Comput. Electron. Agric., 2025)