Re: [Gimp-developer] c2g improvements


Please please take time to implement this ! I'll be glad to lend a hand for 
testing/tutorials/etc. (I don't have coding skills).

I use c2g on almost every photo : my workflow often only consists in adjusting 
global contrast (levels/curves), and then using c2g for adjusting local 
contrast, usually with different radiuses. It  a fantastic tool, much better 
imho than all the wavelet-* filters that always produce a 'dreamy' effect.

The only drawback is that it takes ages to process the photo, so I always end 
up making some compromise between noise level and processing time... so a 
speedup would be *very* useful !


Le Friday, June 01, 2012 05:55:43 PM Jacek Poplawski a écrit :
> hello,
> I like the effect of c2g operation available in GIMP for a long time, lots
> of people use it for kind of "HDR" effect but I think it's nice way to
> increase local contrast of some specific areas of photo or add nice looking
> noise
> However, the main problem of current implementation of c2g is its
> inefficiency, it takes a lot of time to process standard size photo.
> I am author of delaboratory and I started implementing c2g-like operation
> in my project, after few days I was able to achieve something similar to
> GIMP/GeGL c2g but much faster.
> I would like to implement something like that to GIMP. I don't want to
> modify existing c2g code, because I assume current implementation is well
> designed (mathematicaly) and should stay. So it would be nice to create
> something like "simple c2g" or "c2g lite" or just "local contrast boost"
> operation.
> My question is - are you interested at all in this kind of code? Will it be
> accepted in GIMP? Because my main concern is that I don't want to implement
> something which will never be used. I am not aware of current state of
> project (I mean project management, not code) and I don't know what's the
> process of submitting code to GIMP/GeGL right now.

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