Geo-referencing and geodesy

Combining airborne GPS and Inertial Measuring Unit (IMU) data, we determine the direct geo-reference of each image. Airborne GPS and IMU reduce more than 70% the ground control traditionally needed for a photogrammetric survey.

Ground control point GCP.

Project assembly in aerial triangulation.

We use automatic tie point selection software for aerial triangulation, resulting in a large density of tie points and high accuracy in the block adjustment.

CartoData offers 1st and 2nd order geodetic network surveys.

Aerial triangulation map
displaying tie and ground
control points.

Nuevo Leon's State
Geodetic Network.