Variational autoencoder enables unsupervised leaf diagnosis via hyperspectral imaging - Kangyu Ji; Zhiyuan Chen; Zhongzhong Niu; Alden Mo; Zhihao Qin; Katie DeCamp; Charles Wang; Weixuan Xu; Julie M. Young; Bryan G. Young; Jingqiu Chen; Anna O. Conrad; et al. (Computers and Electronics in Agriculture, 2026)