River Channel Microgeomorphic Feature Extraction and Potential Sandstorm Source Identification Method Based on a Convolutional Autoencoder Model. - Kecong Wu; Lirong Chen; Yalige Bai; Xinhang Wang; Danzeng Pingcuo; Zhongpeng Han; Chengshan Wang (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)