Direct Geopositioning Accuracy using AirGon Loki – A Case Study

Introduction: In September of 2017, AirGon LLC released Loki, a direct geopositioning system for the DJI Inspire 2 drone as well as generic drones carrying a digital single lens reflex (DSLR) camera.  Since that time, Loki has been adapted to the Phantom 4 Pro and the m2xx series of DJI drones.   A direct geopositioning system…

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The AirGon Sensor Package, Revision 3

When using imagery as a source of metric measurement, an up-front task that must be accomplished is determining the exact position (X, Y, Z) and orientation (Pitch, Yaw and Roll) of the camera at the precise time of each image exposure.  This seven tuple of data is termed the dynamic exterior orientation (DEO or often…

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