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DN Scaling?

Hi, I'm trying to reproduce your aster_3x3_proper_gamma code in Python with rasterio and numpy. I'm wondering, is there a scaling of bands 2/3/4 (values 0-10000) applied before running your code? I don't know how it works in Sentinel Hub, e.g. if the band values have been scaled to 0-256 or something like that.

DN -> S2 coefficients

Dear SentinelHub team,

were do the coefficients for the DN -> S2 conversion come from?
E.g., "return [0.986B01, B02, 0.939B03, 0.779*B04]".
Thank you for your answer.
Best regards,

Luca

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