UPE-Net: A Spatial Information Enhanced Network for Ulva Prolifera Extraction From GF-1 WFV Images. - Hui Sheng; Manman Jia; Shiqing Wei; Lie Sun; Mingming Xu; Shanwei Liu; Jianhua Wan (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)