1. Faculty of Land Resources and Engineering, Kunming University of Science and Technology, Kunming, Yunnan 650093, People’s Republic of China
2. Application Engineering Research Center of Spatial Information Surveying and Mapping Technology in Plateau and Mountainous Areas Set by Universities in Yunnan Province, Kunming, Yunnan 650093, People’s Republic of China
3. Key Laboratory of Mountain Real Scene Point Cloud Data Processing and Application for Universities in Yunnan Province, West Yunnan University of Applied Sciences, Dali, Yunnan 671006, People’s Republic of China