Puhong Duan Xudong Kang Pedram Ghamisi Yu Liu 0023 Multilevel Structure Extraction-Based Multi-Sensor Data Fusion. 4034 2020 12 Remote. Sens. 24 https://doi.org/10.3390/rs12244034 db/journals/remotesensing/remotesensing12.html#DuanKGL20