Ecological restoration and calculation of revegetation percentage made by drone Ecological restoration: results obtained from 1187 aerial images taken

Roof measurements: Autocad plan built by drone and aerial photogrammetry. Roof measurements: results obtained from 400 aerial shots on

Autocad plan built by photogrammetry from aerial images. Results obtained from 1050 aerial images over a 5ha total area

Light pollution – nocturnal orthophoto made by aerial photogrammetry Results obtained from 650 aerial images over a 22km² area

Sub-millimeter orthofacades of the Arche de la Défense vertical walls Results obtained from 2640 aerial images taken by the