On Thu, 22 Jan 2004 [EMAIL PROTECTED] wrote:
> > What about yuvmedianfilter? Is it a spatial lowpass filter?
>
> It's a nonlinear spatial filter that generally gives an overall
> lowpass effect. Ideally it removes noise without attenuating high
> signal frequencies (thus preserving edges), but I was never fond of
> the result myself. The result is often too smooth. YMMV.
What I found to be quite effective, but less aggressive at
smoothing, is to disable the median filtering on the luma
component and only process the chroma. "yuvmedianfilter -t 0" is
fairly fast and helped with the VHS type of material. A
mild but helpful effect.
Cheers,
Steven Schultz
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