[FFmpeg-cvslog] avfilter: add removegrain

Robert Krüger krueger at lesspain.de
Tue Jul 14 19:28:00 CEST 2015


On Sat, Jul 11, 2015 at 5:30 PM, Robert Krüger <krueger at lesspain.de> wrote:

>
> On Wed, Jul 8, 2015 at 6:03 PM, Paul B Mahol <git at videolan.org> wrote:
>
>> ffmpeg | branch: master | Paul B Mahol <onemda at gmail.com> | 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>
>>
>>
> 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.


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