1. Shandong University of Science and Technology, College of Geomatics, No. 579 Qianwangang Road, Qingdao 266590, ChinabKey Laboratory of Surveying and Mapping Technology on Island and Reef, National Administration of Surveying, Mapping and Geoinformation of
2. Ludong University, School of Physics and Optoelectronic Engineering, No. 186 Middle Hongqi Road, Yantai 264025, China
3. Ocean University of China, Ocean Remote Sensing Institute, No. 5 Yushan Road, Qingdao 266003, China