[MEncoder-users] Removing strange noise around edges

[Rich Felker]

On Tue, Nov 29, 2005 at 09:38:12AM -0500, Rich Felker wrote:
> On Tue, Nov 29, 2005 at 03:43:06PM +0300, Phil Oleynik wrote:
> > Fredrik Eriksson wrote:
> > 
> > >Rich Felker wrote:
> > >
> > >>The problem you're seeing is dotcrawl, and there is currently no
> > >>filter in mplayer/mencoder to correct for it aside from blurring and
> > >>heavy denoising. With telecined content it generally is possible to
> > >>correct for this due to some degree of redundancy, but no one has
> > >>written a filter for it yet. I'm considering doing so at some point in
> > >>the future (since I need it for one of my own projects) but don't hold
> > >>your breath..
> > >>
> > >>Rich
> > >> 
> > >>
> > >OK. thx. that was what I wanted to know, I'm looking forward to see 
> > >that filter, until then I guess that Inuyasha will have to stay on the 
> > >dvds...
> > >
> > >Fredrik
> > 
> > Well, I have looked at mpg. The thing that stumbles me is awful 
> > interlacing effects, when many
> > birds fly, three phases are on the same frame. Birds are smashed 
> > completely, it is seen even
> > when video is running, not paused. Next time, when Inuyasha walks, three 
> > phases are mixed
> > together also. I do not know how to handle this. If there were two 
> > phases mixed, pullup filter
> > should work. But unfortunately I do not know how to handle three-field 
> > composition.
> > I have read a post by Rich Felker, so I hope such filter will appear 
> > sometime.
> 
> I'll review the mpg file you posted too since it sounds like there
> might be more problems here and maybe the one I addressed isn't the
> one you care about most..

Checked, dotcrawl is the only problem I see. The telecine is perfectly
normal and easily reversed with pullup or any of the other inverse
telecine filters.

Rich