[Digikam-users] Preview and editing of raw

[Gilles Caulier]

2008/9/28 Jürgen Scholz <juergen at kernkraft400.com>

> > no reason to shoot in RAW and try to reproduce something that the
> > manufacturer took a lot of care and money to produce (that
> > particular recipe is hard to beat). I rather take the jpgs, convert
> > them to a lossless format like png and be happy with it.
> Why are you doing that? The filesize probably increases and you don't
> gain any quality. Since the "compression loss" happens when the
> (processed) RAW data is compressed into the jpeg format. The
> conversion to png can't undo the compression loss.
>

(:=))

If you re-eedit a jpeg file later, you will loss quality again !

Second problem : jpeg color is 8  bits per color per pixel. RAW is 16 !
using png or tiff, you don't loss color depth...

JPEG is not dedicated to edit a picture, it just to publish on the web a
final image... using a lossless image file format will prevent this
problem...

Gilles Caulier

>
> bye,
>  juergen
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