Zhang, Xiaohong
Ma, Fujian
Ren, Xiaodong
Xie, Weiliang
Zhu, Feng
Li, Xin
Funding for this research was provided by:
National Natural Science Foundation of China ((41474025))
the Surveying and Mapping Foundation Research Fund Program, National Administration of Surveying, Mapping and Geoinformation ((No. 14-02-09))
the Open Foundation of Key Laboratory of Precise Engineering and Industry Surveying of National Administration of Surveying, Mapping and Geoinformation ((Grant No. PF2015-5))