[FFmpeg-cvslog] avfilter: add removegrain

[Robert Krüger]

Am Dienstag, 14. Juli 2015 schrieb James Darnley :

> On 2015-07-14 19:28, Robert Krüger wrote:
> > On Sat, Jul 11, 2015 at 5:30 PM, Robert Krüger <krueger at lesspain.de
> <javascript:;>> wrote:
> >
> >>
> >> On Wed, Jul 8, 2015 at 6:03 PM, Paul B Mahol <git at videolan.org
> <javascript:;>> wrote:
> >>
> >>> ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com
> <javascript:;>> | Sat Jul  4
> >>> 20:19:05 2015 +0000| [91748662bc024294d50e2e0542d727265e331105] |
> >>> committer: Paul B Mahol
> >>>
> >>> avfilter: add removegrain
> >>>
> >>> Signed-off-by: Paul B Mahol <onemda at gmail.com <javascript:;>>
> >>>
> >>>
> >> This filter looks super interesting. Has anyone compared it to hqdn3d
> for
> >> practical examples?
> >>
> >
> > I have tried various modes but so far all were visibly inferior to
> hqdn3d.
> > Does the filter only operate spacially, i.e. in one frame at a time,
> trying
> > to achieve the degraining by averaging in the one frame? The
> documentation
> > gives that impression and that would at least be an explanation.
>
> Yes it is a spatial only denoiser.  It is in fact the same as
> RemoveGrain for Avisynth.  I'm sure that will help you look for more
> information and comparisons.
>
> Thanks a lot.


-- 
Robert Krüger
Managing Partner
Lesspain GmbH & Co. KG

www.lesspain-software.com