Zeng, Tian
Sui, Lifen
Ruan, Rengui
Jia, Xiaolin
Feng, Laiping
Funding for this research was provided by:
National Natural Science Foundation of China (41674016, 41874041, 41704035)
State Key Laboratory of Geo-Information Engineering (SKLGIE2018-M-2-1)
Article History
Received: 30 January 2020
Accepted: 6 May 2020
First Online: 22 June 2020
Competing interests
: The authors declare that they have no competing interests.