[Digikam-users] Can digiKam write to Canon cr2 files?

Gilles Caulier caulier.gilles at gmail.com
Tue Aug 27 15:59:05 BST 2013

2013/8/27 Remco Viëtor <remco.vietor at wanadoo.fr>:
> On Tuesday 27 August 2013 16:01:35 jdd wrote:
>> Le 27/08/2013 15:55, Gilles Caulier a écrit :
>> > But RAW is already 12 or 14 bits...
>> well... raw is not an image :-(
>> your 16 bits jpg is simply a standardised raw, witch is really needed
> Not quite, as jpeg usually uses a /lossy/ compression, which can induce
> visible artifacts (especially at high contrast edges, see the effect jpeg
> compression has on text or line drawings).
> And 12 bits is enough for most sensors afaik, and packs nicely (2 pixels in
> 3 bytes, easy to encode/decode); so 16 bits is a bit of overkill, and would
> slow down writing to the memory card.

Not really. As RAW as 12/14 bits depth, it's already the case. I'm
sure that data are encode with 2 byte instead 1 for one color
components by pixel.

Gilles Caulier

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