[Digikam-devel] JPEG2000 support...
hubertf at xandros.com
Fri Dec 1 15:52:15 CET 2006
Gilles Caulier wrote:
> On Wednesday 29 November 2006 12:47, Fabien wrote:
>> Hm, great!
>> Is there any digital camera with native jpeg2000 support ?
> I think no. Perhaps in the future.. To have take a look into Jasper source
> code, i have seen that encoding algorithm require a lots of CPU ressources.
> In fact more than JPEG.
> I suspect 2 problems with JPEG 2000 algorithm :
> - it require high CPU speed.
> - The gain with low compression ratio is not sugnifiant than JPEG
> This is why camera do not use it actually. Perhaps in the future the embeded
> CPU used in DSC will be more powerfull for that.
You also forget that JPEG2000 is known to be patent encumbered, unlike JPEG.
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