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Unmanned Aerial Vehicles

UAVs come in two main types: multi-rotors (copters), and fixed wings. The UAVs used in photogrammetry will carry a downward pointing camera and often a GPS unit.

The cameras carried by these vehicles varies from proprietary fixed-focal length units, to GoPros, to high resolution DSLRs. PhotoModeler can work with images from any of these variations. The quality of the results will depend to a large degree on the quality of the camera.

UAV-related factors that affect final photogrammetric project quality are:

        Camera and lens quality

        GPS availability

        GPS quality (including accuracy of the GPS and image synchronization) and whether GPS RTK or PPK processing is used

        Quality of the flight management software (to produce good and consistent overlap in photos)

        Weather and wind speeds (lighting effects, and the ability to produce non-blurry and consistent overlap)