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Monday, August 21, 2017

Our experience in Photogrammetry



 

Acquisition coupled Lidar / Hyperspectral - France - October 2013

  • Acquisition of LiDAR data by air to 2 pts / m²
  • Digital data acquisition image resolution GSD = 0.20 m
  • Acquisition of hyperspectral data
  • Processing LiDAR DEM
  • Treatment of color orthophoto resolution GSD = 0.20 m
  • 100 km ²
 

Port of Le Havre - France - September 2013

  • Acquisition of LiDAR data by air 4 pts / m²
  • Treatment of NCDs LiDAR.Traitement the color orthophoto
  • Resolution GSD = 0.20 m
  • 40km ²

 

Dam Project - Nepal - March 2013

  • Acquisition of LiDAR data by air to 15 pts / m²
  • Processing LiDAR DEM
  • Treatment of color orthophoto
  • Resolution GSD = 0.20 m
  • 160km ²

 

Mining Project - Congo - September 2011 - December 2011

  • Acquisition of LiDAR data by air 4 pts / m²
  • Acquisition of digital image data
  • Resolution GSD = 0.20 m. Processing LiDAR DEM
  • Treatment of color orthophoto
  • Resolution GSD = 0.20 m
  • 273 km ²
 

International mining company - Guinea Conakry - March 2011 - March 2012

  • Acquisition of LiDAR data by air to 1 pts / m²
  • Acquisition of digital image data (ADS 80)
  • Resolution GSD = 0.50 m.Traitement LiDAR DTM
  • Treatment of color orthophoto
  • Resolution GSD = 0.50 m. 9000 km ²
 

IGN - France - June 2011 - June 2012

  • Acquisition of LiDAR data by air to 2 pts / m²
  • Acquisition of digital image data (RCD 105)
  • Resolution GSD = 0.20 m.Traitement LiDAR DTM
  • Treatment of color orthophoto resolution GSD = 0.20 m
  • 4400 km ²
 

Powerline - Gabon - September 2010 - February 2011

  • Acquisition of LiDAR data by air to 1 pts / m²
  • Acquisition of digital image data
  • Resolution GSD = 0.30 m
  • Processing LiDAR DEM
  • Treatment of color orthophoto
  • Resolution GSD = 0.30 m
  • 1700 km ²
 

Rail project - France - May to September 2010

  • Acquisition of LiDAR data by air to 1 pts / m²
  • Acquisition of digital image data
  • Resolution GSD = 0.50 m
  • Photogrammetric restitution
  • 600 km ²
 

GIP Seine Aval - France - February to December 2010

  • Acquisition of LiDAR data by air 3 pts / m² and helicopter 15 pts / m²
  • Precision altimeter 10 cm
  • Acquisition of digital image data
  • Resolution GSD = 0.25 m
  • Processing LiDAR DEM
  • Vegetation Classification of the MNE
  • Built - MNE
  • Specific products hydraulic studies
  • Treatment of color orthophoto
  • Resolution GSD = 0.25 m
  • 1,163 km ²
 

France - rail project - June-December 2010

  • Acquisition of LiDAR data by air to 1 pts / m² Acquisition of digital image data
  • Resolution GSD = 0.50 m.Restitution photogrammetry
  • Topographical work
  • Restitution 0.05 m ha in 1000
  • Additional field surveys
  • 1400 km ²
 

Dam project - Ghana - January to August 2010

  • Acquisition of LiDAR data by air to 1 pts / m²
  • Acquisition of digital image data
  • Resolution GSD = 0.30 m
  • Processing LiDAR DEM
  • Treatment of color orthophoto
  • Resolution GSD = 0.30 m
  • 1,523 km ²
 

Electrical Network - Algeria - February 2008 - October 2009

  • Survey and modeling of three high voltage lines laser helicopter : Arbaa - Hameur - El Ain Khemis - Oued Sly Oued Sly - Tiaret
  • Acquisition of LiDAR data by helicopter, 20 pts / m² , height 10 cm accuracy
  • Digital image data acquisition vertical and oblique resolution GSD = 0.03 m
  • Processing LiDAR DEM
  • Codification of sowing laser spots (110 classes)
  • Topographic map at 1/2500
  • Profil 1/500 vertical and 1/ 2500 horizontal
  • Modeling lines in PLS- CADD
  • Writing compliance reports
  • 250 km
 

Electrical network - France - August 2007 - March 2009

  • Survey and modeling of high-voltage lines by helicopter laser
  • Acquisition of LiDAR data by helicopter, 20 pts / m² , height 10 cm accuracy
  • Acquisition of digital image data , resolution GSD = 0.20 m
  • Processing LiDAR DEM
  • Codification of sowing laser spots (110 classes)
  • Topographic map at 1/2500
  • Profil 1/500 vertical and 1/ 2500 horizontal
  • Modeling lines in PLS- CADD
  • 540 km

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1 route de Gachet 44307 NANTES
T +33 (0)2 40 68 54 52

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