Thermal orthophoto of the Paris town hall
Thermal orthophoto of the west facade of the Paris town hall. Thermal and RGB images recording on December 15, 2016 in the 07:00 – 08:00 time slot.
Orthophoto RVB et radiométrique de la mairie de Paris
Before / After - Thermal / RVB
Above, orthophotos of the west facade of the Paris town hall built from 295 IRT (thermal infrared) and 440 RGB images. Experimentation aimed at qualifying the good photogrammetric restitution from a terrestrial capture and subsequently, accuracy of the temperatures measured on the final radiometric orthophoto.
TECHNICAL INFORMATIONS
- Thermal imagery analysis and processing service : Drones Imaging company.
- Terrestrial images capture : Drones Imaging company.
- Spatial accuracy : decimetric by scaling from quotations taken with a laser rangefinder.
- Infrared thermal orthophoto : GSD 3cm.
- RVB orthophoto : GSD 3cm.
- Front length : 145m.
- Sensor : Thermal infrared FLIR C2.
- Photogrammetry software : Agisoft Metashape.
- Export formats : GéoTiff and Dwg autocad.
- Delivery delay : 24 hours.
- Use case taught during our photogrammetry training : see more.