View Full Version : Telecide or simple deinterlacing for TV caps
Boulder
7th May 2003, 10:28
Hello,
I've been wondering for a while that should I use Telecide(guide=2) or simply FieldDeinterlace() or TomsMoComp(0,5,1) for my PAL TV captures (720x576). I've been capturing some Star Trek episodes lately (the original series) and I'm not really sure which one to apply to them.
My eyes can't tell much of a difference between the options but maybe one of the pros here could tell me what to choose. Most of my TV caps are from NTSC to PAL converted material so this would be useful in the future as well. I've tried reading the guides but since they mostly handle DVD material, I've not found much help.
Telecide(guide=2) should only be used if Telecide(guide=2 post=false) works for you. If it doesn't than fielddeinterlace is your choice (from the decomb package that is; there are others as you know).
for my pal caps, there are differences, in terms of motion/blending/smoothing
i would start with this
avisource("capture.avi")
a=telecide(post=false)
b=tomsmocomp(0,5,0)
c=fielddeinterlace()
stackhorizontal(a,b)
and check out some known combed sequences in vdub and examine the differences between a and b, then a and c, etc...
generalising (for my material), telecide(post=false) cleans up a lot of combed frames and gives a very sharp picture, but there are some residual combed frames left, tomsmocomp always gives very smooth and fluid playback but is a little softer in terms of the decombed frames, and unfortunately fielddeinterlace on its own tends to give me periodically jerky results whenever using interpolation
Boulder
7th May 2003, 11:37
Thanks to both of you, I'll have to experiment with different approaches some more.
Star Trek typically is hybrid film/video and so presents a difficult challenge. Do a search on "Star Trek". :)
Boulder
7th May 2003, 16:14
I've heard some people talk about the dreaded TNG series with all the CGI animation..but shouldn't the original series be a bit easier?
I actually started thinking about this when I read that post by bb in which he told that he captured ST:TOS episodes and was told to use Telecide. Previously I've just used TomsMoComp(0,5,1) but if that's not the correct procedure, I'd sure like to know what is;)
Analyse the video and find out for yourself what is the best treatment for it. Everybody wants to be spoonfed. :)
trbarry
7th May 2003, 19:06
As long as you know whether the clip is TopFirst TomsMoComp can handle most anything. But if the clip contains parts that have been telecined from film TomsMoComp will not give as good results as Telecide on those areas (less detail).
TomsMoComp was really designed for pure video sources.
- Tom
Star Trek TOS was shot on film, so it's progressive video. Use Telecide or something similar.
bb
Boulder
11th May 2003, 20:19
Thank you for the suggestions, gentlemen. I was off for a couple of days so I couldn't respond earlier. There's another episode coming on Wednesday so I'll use that as my testing material.
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