Method to produce orthomosaics of the terrain using a helicopter-type UAV with an on-board navigation geodetic receiver

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Authors: Zahlebin A. S.

Annotation: The article proposes a method allowing to obtain aerial photographs that are used afterwards to build a georeferenced orthophoto map of the area. The method is applicable to the DJI Phantom 4 Pro unmanned aerial vehicle with an integrated Global Navigation Satellite System (GNSS) on board to obtain precise coordinates of the aerial photographs centers. The proposed method provides sufficient quality of the initial materials obtained (aerial photographs, satellite observation data) for their further use in constructing a georeferenced orthomosaic map of the area corresponding to a scale of 1: 500.

Keywords: point of planning and altitude justification, control point, coordinate, exposure, orthophotomap of the area, uav, aerial photograph

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