Atmospheric Correction

In essence, VGT atmospheric correction is the same as SYN atmospheric correction described in Computation of Aerosol Parameters. The only difference is the auxiliary file used. The top-of-atmosphere reflectance has to be transformed into surface reflectance. This parameter is then included in the VGK product, defined as the input of the SYNERGY VGT-S processor. Computation of the NDVI parameter is also added.

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