On 2015-07-14 19:28, Robert Krüger wrote: > On Sat, Jul 11, 2015 at 5:30 PM, Robert Krüger <krue...@lesspain.de> wrote: > >> >> On Wed, Jul 8, 2015 at 6:03 PM, Paul B Mahol <g...@videolan.org> wrote: >> >>> ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Sat Jul 4 >>> 20:19:05 2015 +0000| [91748662bc024294d50e2e0542d727265e331105] | >>> committer: Paul B Mahol >>> >>> avfilter: add removegrain >>> >>> Signed-off-by: Paul B Mahol <one...@gmail.com> >>> >>> >> 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.
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