Re: [Gimp-developer] Tuning and choosing resampling methods in GEGL/GIMP

On Mon, Oct 23, 2017 at 4:37 PM, Elle Stone
<ellestone ninedegreesbelow com> wrote:
On 10/23/2017 10:03 AM, Øyvind Kolås wrote:
This is what an adaptively increasing the OFFSET0 constant for
significant downscaling in the sources might achieve - do note that
what is meant by significant downscaling here is when scaling down to
below 1% of original size - even in such scenarios nohalo will already
be doing a good job.

OK, that sounds less scary than the commit message!

The gallery has been updated - as all the nohalo versions were through
a mistake of mine a rendition of lohalo with a high OFFSET0, the
difference between lohalo and nohalo is now more apparent - with the
nohalo results in general being crisper than lohalo for such
downsampling. Seeing the difference I am less inclined to remove
lohalo - even if the smoother appearance of downscaling with lohalo
can be achieved manually with nohalo by applying a sufficiently large
gaussian-blur before scaling down.


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