期刊
PHOTOGRAMMETRIC RECORD
卷 33, 期 164, 页码 427-447出版社
WILEY
DOI: 10.1111/phor.12259
关键词
direct georeferencing; GPS; precise point positioning; structure from motion; unmanned aerial vehicle
类别
资金
- UK Engineering and Physical Sciences Research Council (EPSRC) Doctoral Training Award [NH/110088211]
The use of Global Positioning System (GPS) precise point positioning (PPP) on a fixed-wing unmanned aerial vehicle (UAV) is demonstrated for photogrammetric mapping at accuracies of centimetres in planimetry and about a decimetre in height, from flights of 25 to 30 minutes in duration. The GPS PPP estimated camera station positions are used to constrain estimates of image positions in the photogrammetric bundle block adjustment, as with relative GPS positioning. GPS PPP alleviates all spatial operating constraints associated with the installation and the use of ground control points, a local ground GPS reference station or the need to operate within the bounds of a permanent GPS reference station network. This simplifies operational logistics and enables large-scale photogrammetric mapping from UAVs in even the most remote and challenging geographic locations.
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