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CAMERA CALIBRATION ACCURACY AT DIFFERENT UAV FLYING HEIGHTS
Camera calibration accuracy assessment object distances UAV flying heights
2017/4/6
Unmanned Aerial Vehicles (UAVs) can be used to acquire highly accurate data in deformation survey, whereby low-cost digital cameras are commonly used in the UAV mapping. Thus, camera calibration is co...
TWO-STEP CAMERA CALIBRATION METHOD DEVELOPED FOR MICRO UAV'S
Photogrammetry two-step camera calibration micro UAV ultra wide lenses
2016/7/5
The development of unmanned aerial vehicles (UAVs) and continuous price reduction of unmanned systems attracted us to this research. Professional measuring systems are dozens of times more expensive a...
The influence of the in situ camera calibration for direct georeferencing of aerial imagery
Direct Georeferencing GNSS INS In Situ Calibration Photogrammetry
2014/12/4
The direct determination of exterior orientation parameters (EOPs) of aerial images via GNSS/INS technologies is an essential prerequisite in photogrammetric mapping nowadays. Although direct sensor o...