Articles | Volume 7, issue 3
Earth Surf. Dynam., 7, 807–827, 2019
https://doi.org/10.5194/esurf-7-807-2019
Earth Surf. Dynam., 7, 807–827, 2019
https://doi.org/10.5194/esurf-7-807-2019

Research article 02 Sep 2019

Research article | 02 Sep 2019

Evaluating the potential of post-processing kinematic (PPK) georeferencing for UAV-based structure- from-motion (SfM) photogrammetry and surface change detection

He Zhang et al.

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Latest update: 24 Oct 2021
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Short summary
We evaluated the performance of a drone system to reconstruct 3-D topography. We used a direct georeferencing method to make the pictures have precise coordinates, which also improves the survey efficiency. With both consumer-grade and professional-grade camera and drone setups, we obtained centimetric accuracy, which provides a flexible application in topography remote sensing using drones.