Bill:
A quick note about gegl-sampler-sharp (a.k.a. nohalo-bilinear level
1): I just checked, and it does a pretty good job at mild
downsampling.
Also:
I am not convinced, far from it actually, that NEDI will do better
than nohalo level 1 when the enlargement ratio is moderate (no larger
than a
Apologies:
I meant:
Point your browser to
YOUR_GEGL_ROOT/docs/gallery/index.html
Nicolas Robidoux
Laurentian University/Universite Laurentienne
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Bill:
I forgot the sample xml code to test nohalo-sharp level 1:
>>
<<
How to use:
Step 1:
Put this in a file (called, say, scale16p4PICTURE.
Hello Bill:
At some point it may a good idea to move this discussion off the list,
but at this point I'll hope that those without interest in these
issues are just skipping this email.
--
jungle writes:
>
> Nicolas Robidoux
Nicolas Robidoux wrote:
>
>
> There are already two fast nonlinear resamplers implemented in GEGL:
>
> YAFR (gegl-sampler-yafr.c)
>
> and
>
> Nohalo-sharp (gegl-sampler-sharp.c).
>
>
I'm not familiar with those two resamplers. Of course, that's not saying
much, because it's not my area
Bill:
There are already two fast nonlinear resamplers implemented in GEGL:
YAFR (gegl-sampler-yafr.c)
and
Nohalo-sharp (gegl-sampler-sharp.c).
Both are a little slower than gegl-sampler-linear, but faster than
gegl-sampler-bicubic. See the (informal) benchmarks at
http://bugzilla.gnome.org/
John, David and Bill:
jcup...@gmail.com writes:
> 2009/1/24 David Gowers <00a...@gmail.com>:
> > a) You should investigate implementing this interpolation method for
> > GEGL rather than GIMP, as in the fairly near future these kinds of
> > transformations in GIMP will be implemented through
2009/1/24 David Gowers <00a...@gmail.com>:
> a) You should investigate implementing this interpolation method for
> GEGL rather than GIMP, as in the fairly near future these kinds of
> transformations in GIMP will be implemented through use of GEGL.
My understanding is that this will not be possib
On Sat, Jan 24, 2009 at 11:47 PM, David Gowers <00a...@gmail.com> wrote:
> On Sat, Jan 24, 2009 at 2:48 PM, jungle wrote:
>>
>> Has anyone ever done any work implementing advanced interpolation schemes
>> (NEDI or ICBI)? They provide much better results than the spatially
>> invariant schemes pre
On Sat, Jan 24, 2009 at 2:48 PM, jungle wrote:
>
> Has anyone ever done any work implementing advanced interpolation schemes
> (NEDI or ICBI)? They provide much better results than the spatially
> invariant schemes present in GIMP.
AFAIK no.
>
> I would probably be able to code up something, but
Has anyone ever done any work implementing advanced interpolation schemes
(NEDI or ICBI)? They provide much better results than the spatially
invariant schemes present in GIMP.
I would probably be able to code up something, but I wouldn't be able to
guarantee that it would be very efficient.
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