[MEncoder-users] Correct order for denoise filter
Oleynik.Phil at mail.ioffe.ru
Thu Apr 21 13:10:12 CEST 2005
Jean Hoderd wrote:
>I was wondering what is the correct order for placing a denoise
>filter such as hqdn3d: should it be before or after scaling?
> -vf crop=680:552:22:12,scale=512:384,hqdn3d
> -vf crop=680:552:22:12,hqdn3d,scale=512:384
>Also, I was looking for a more detailed explanation
>of the meaning of hqdn3d parameters. MPlayer's manual
>is terse at best... Can someone point me to a reference?
>(My googling came back empty-handed)
>Thanks in advance for your time!
If you are shrinking movie down - then after. If you enlarge it - then
put it before.
Parameters are not clearly defined, try and see method is the best here.
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