[GRASS-user] i.atcorr for GeoEye-1 and Worldview-3
Nikos Alexandris
nik at nikosalexandris.net
Wed Jun 3 08:38:21 PDT 2015
* Nikos Alexandris <nik at nikosalexandris.net> [2015-06-03 18:02:15 +0300]:
> * Kamhul Camhol <monk_purple at yahoo.com> [2015-06-03 04:56:37 +0000]:
>
> > Hello. I'm quite new with GRASS but I need to atmospherically process high-resolution imagery with i.atcorr. I have three images Quickbird, GeoEye-1 and Worldview-3 imagery of a single scene across three time periods.
>
> Hi!
>
> You would need, I think, to convert the raw Digital Numbers first to
> radiance/reflectance values. Please have a look at [0][1].
I just realised I erased the links!
[0] https://github.com/NikosAlexandris/i.quickbird.toar
[1] https://github.com/NikosAlexandris/i.worldview.toar <- I think this
is not applicable for WV3. We need the respective radiometric response
data for WV3.
Nikos
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