Roof inspection by drone and aerial photogrammetry

3d modeling and detection/localization of the sealing plates detachments.

Results obtained from 235 aerial shots taken by the company Artech’Drone.
Post-processing by Drones Imaging.

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Inspection_de_toiture_DSM_drones_imaging©

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Analysis carried out as part of an inspection aimed at detecting and locating the detachments of the waterproofing slabs (with 1.5cm minimum tolerance).

In this use case and thanks to the 3DReshaper software, the analysis of the Digital Surface Model made it possible to quantify and locate all the sealing defects of the roof (holes and bumps whose amplitude is between 1.5 and 4cm). Apart from these detected faults, our results revealed that 98.7% of the sealing layer was flat.

  • Airborne platform : DJI Inspire 2.
  • Camera : FC6520.
  • Area : 700m².
  • Dense cloud : 60 millions points.
  • Softwares : Photoscan & 3DReshaper.
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