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PLEIADES Products

Level Radiometry Geometry User(s)
0 Raw Raw System
1 Radiometric corrections and
PA restauration
Raw System/Defense
Perfect Sensor Idem 1
+ PA/XS fusion
Raw perfect sensor Added Value Compagnies ???
Orthoimages Idem 1
+ PA/XS fusion
Cartographic projection GIS
Orthomosaic Idem 1
+ PA/XS fusion
Cartographic projection GIS
 
Sensor Geometry  
 
Land Geometry

Level 0

  • Raw image given by the system:
    • Used for calibration and the measure of the performances
  • 5 adjacent bands not superimposed to build the whole field
  • Volume for one scene:
    • PA: 1.8 Gb
    • XS: 450 Mb

Level 1

  • Image with the same geometry than the Level 0
  • Radiometrically corrected:
    • aberrant detectors
    • ZIB reconstruction
    • ghost images XS AC
    • PA restauration
  • 5 adjacent bands not superimposed to build the whole field
  • Volume for one scene: idem level 0
    • PA: 1.8 Gb
    • XS: 450 Mb

Level Perfect Sensor

  • Radiometry:
    • idem level 1
    • PA + XS fusion
  • Geometry:
    • PA + XS detectors rectilinear
    • attitude smoothed
    • perfect dating / orbito
  • Product preprocessed (the preprocessings consist in the elimination of all the effects due to Pleiades instrument and the restitution in a perfect sensor geometry) before projection on the ground:
    • users interfaces simplified
    • localisation accuracy preserved
  • Volume for one scene:
    • PA alone: 3.6 Gb
    • XS alone: 900 Mb
    • PA + XS: 18 Gb

Level Orthoimages / Orthoimages Mosaic

  • Projection on the ground:
    • corrected of relief effets but not of the superstructures
  • Coordinates system geographic or cartographic
  • Final product dedicated to GIS
  • Volume for one scene: idem PS
    • PA alone: 3.6 Gb (nadir 50 cm)
    • XS alone: 900 Mb (nadir 2 m)
    • PA + XS: 18 Gb (nadir 50 cm)


Latest update 15/05/2006

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