Automated Extraction of Impervious Surface Area Using Hyperlocal Samples From Multisource Data Fusion Across Economic-Geographic Zones. - Nan Wang; Yunlan Guan; Yuqian Wang; Qirui Fang; Zixuan Li; Jian Dong; Jing Luo (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)