Am Sa., 12. Nov. 2022 um 01:46 Uhr schrieb Ulf Zibis <ulf.zi...@cosoco.de>:
>
> I have transcoded a avi video to mp4 for compressing by factor 8.
> Now I see interlace artifacts.

https://ffmpeg.org/ffmpeg-filters.html offers a few options:
kerndeint is old / outdated, should be fast
yadif was for a long time the most useful deinterlacer
w3fdif is a BBC-sponsored development
bwdif claims to combine yadif and w3fdif into something better
estdif and nnedi are newer filters

All filters will not correct something on the video but will try to
invent information that simply isn't there. This makes sense as
there is no screen that can show what originally was meant to
be shown but you should be aware that all filters effectively
change your video.

You will find several denoise filters in the documentation.

Carl Eugen
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