Sentinel-1 Radiometric Terrain Flattening in GEE

Dears,

I’m need apply the Radiometric Terrain Flattening in a lot of Sentinel-1 images within Google Earth Engine.

But in GEE the Sentinel-1 GRD data are currently with Orbit File applied, Terrain Corrected and converted to dB. After this processing is possible write ab algorithm to apply RTF with efficiency?

My bests regards.

No, it would have to be added at their input stage. I proposed that they add flattening during input already years ago, but so far AFAIK they have preferred to stay with the GTC products you’re familiar with.

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A recent publication on Angular-Based Radiometric Slope Correction for Sentinel-1 by Andreas Vollrath et al, 2020

Check out the complementary material on github here:

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