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SARLUT

SAR Look Up Tables (LUT)

Tools developed by Ivan Petillot during his PhD thesis at LISTIC, Université de Savoie, for geocoding SAR data and "radar-coding" georeferenced data over airborne or spaceborne SAR images. These tools start with a DTM of the imaged area and the position or trajectory of the SAR sensor. They create a visibility mask to take shadow and foldover effects into account and a simulated SAR image to register it on the real SAR image. The direct and inverse transformations between the two geometries are coded through two pairs of look-up tables (LUT) which provide:

  • the Latitude/Longitude coordinates of each pixel in SAR geometry,
  • the SAR range/azimuth coordinates of each ground pixel of the DTM.

A graphic user interface has been developed by Jean-Michel Vanpé (GIPSA-lab, INP Grenoble) to use these LUTs to navigate simultaneously in both geometries.

 

Liste des articles dans la catégorie SARLUT
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