[Digikam-devel] White Balance and gamma for 16 bits RAW image without to use Color Management.

[Thorsten Schnebeck]

Am Montag 10 März 2008 schrieb Gilles Caulier:
> There is a patch here against RAW image loader from digiKam core for KDE3
> to fix this problem :
>
> http://digikam3rdparty.free.fr/misc.tarballs/raw16bitsautogamma.patch
>
> In this patch, the following operations are processed :
>
> - An auto-exposure correction using white-balance algorithm from digiKam
> core.
> - A gamma correction to 2.0 (BT.709 adjustment) using gamma algorithm from
> digiKam core.
> - sRGB ICC color-space profile assignment.
>
[...]
> Feedback are welcome. Thanks in advance

Hi Gilles,

what about comparing auto-corrected 16bit raw with the embedded jpeg version 
of the image? Would be interesting if the cam uses exif parameter to do its 
internal raw2jpeg conversion or if a fixed parameter set is enough. 

Bye

  Thorsten