On Thu, 6 Jul 2006, [UTF-8] Bernhard Fr??hmesser wrote:
> I have been playing around a bit with the -m and -M option(s) but i am
> not sure what they are good for, if i use them i get some weird graphics
They are median filters. The -m is applied BEFORE the -t. The -M
is applied after the -t.
> within the video, bit square dots and the whole picture look like
> painted (some kind of "oilpaint"). So -m and -M doesn??t look like i can
I have not seen bit dots. But the "painted" effect is what
median filters can do to a picture. Probably not a good idea to
use both -m and -M.
Median filtering is a "big hammer" - it can easily artifact, giving
things a flat look. For noisy color movies I might use something
like "yuvmedianfilter -t 0" but almost all of the time I do not
do any medianfiltering at all.
> I always used yuvdenoise -s 4,5,5 -g 64,255,255 -t 3,3,3 for really old
> VHS source matterial. I got some good quality with that options.
-s has been a NO-OP (do nothing) for quite a while. The option was
removed a day or so ago.
> The DVD player is a bit old you know :-)
> It really doesn??t look good, so i need to deinterlace.
Ok.
> If i play the video directly from the notebook via TV cable on the TV it
> looks good, but the DVD with this old player i have got doesn??t look good
Hmmm, time for a new DVD player ;)
Cheers,
Steven Schultz
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