With the development of technology,Unmanned Aerial Vehicle(UAV)technology has gradually ma-tured and been widely applied in various fields.As a new type of geographic information collection method,UAV low-altitude photogrammetry has the advantages of high efficiency,high precision,low cost and strong flexibility,and has been widely used in geographic information collection.This paper mainly discusses the application of UAV low-altitude photogrammetry in geographic information acquisition.It analyzes the technical principles and advan-tages of UAV low-altitude photogrammetry and its specific cases in practical application,and looks forward to its future development trend.
关键词
无人机/低空摄影测量/地理信息采集/摄影测量仪
Key words
Unmanned aerial vehicle/Low-altitude photogrammetry/Geographic information collection/Photo-grammetric instrument
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