[MEncoder-users] Newbie struggling with pullup

[Grozdan Nikolov (openSUSE Linux)]

On Monday 03 March 2008 18:34, Scott W. Larson wrote:
> "Laine Lee" <llee at lonestar.utsa.edu> wrote:
> > Here's a sample command. I want to be sure you understand that "-vf
> > framestep=2,filmdint=fast=0,softskip,harddup" did work better than my
> > decimate. Anyway, I'm trying to drop any frame that is even remotely
> > similar
> > to its neighbor with these decimate parameters, and I still don't seem to
> > be
> > getting that result. Picture quality is excellent, though.
>
> The real test for these kinds of filters is to run them on material that
> has very little change from frame to frame. 

already done that and picture looks perfectly fine here

> Try them on a dimly lit scene 
> with little action and camera motion. You may find that the filter will
> start eliminating the wrong frames because they all qualify as duplicates,
> while frames that should be duplicates (following the 3:2 pattern)
> actually have more change between them and won't be eliminated.
>
> It can be frustrating because your filter may run perfectly on material
> that doesn't hit these two cases, but then fails later when it comes
> across them.
>
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-- 
Regards