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Old 4th September 2012, 16:09   #1  |  Link
zmejce
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Interested in vdub 1.9.11 good deinterlacer and resize filter?

I'm interested in VirtualDub's good deinterlace and resize filters.

What are their differences and when to use which one?

ATM I'm aware of Yadif for deinterlace and Laczos3 for resize as best options.

Last edited by Guest; 4th September 2012 at 16:20. Reason: rule 12: don't ask what's best
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Old 4th September 2012, 16:47   #2  |  Link
srk3461
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Well there's no best filters out there, It's what you think the best for your encodings/movies , As a personal fave I'd say Smart De-interlacing with (Frame-and-Field differencing) and (Edge directed interploate) with Laczos3. Not may too many blocks, picture looks smooth and with a decent file-size.

For more info about deinterlacing follow this link "http://www.100fps.com/filesizes_of_deinterlaced_video.htm" for all kind of de-interlacing and choose the one that's best for you/your movies.

A word of advice, best way to find a good de-interlacing method is through X number of trail and error's... Cheers!
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Old 4th September 2012, 20:53   #3  |  Link
zmejce
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srk3461 can you please post a screenshot in motion of smart deinterlacing, so I can take a look.
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Old 5th September 2012, 13:37   #4  |  Link
srk3461
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Originally Posted by zmejce View Post
srk3461 can you please post a screenshot in motion of smart deinterlacing, so I can take a look.
Here you go zmejce 'http://imgur.com/IRwlr

These are the settings, I use for most of my videos. Give it a shot. Tell me what you think!
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Old 5th September 2012, 15:01   #5  |  Link
zmejce
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It's sharp isn't it?

Are those settings universal? I mean like for deinterlacing DVD Pal, Ntsc, 1080p, 1080i?

Does it deinterlaces 1080i like Yadif does?

I think that Yadif is very similar. Maybe not so sharp?

What do you think?

Last edited by zmejce; 5th September 2012 at 15:26.
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Old 6th September 2012, 06:07   #6  |  Link
srk3461
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Quote:
Originally Posted by zmejce View Post
It's sharp isn't it?

Are those settings universal? I mean like for deinterlacing DVD Pal, Ntsc, 1080p, 1080i?

Does it deinterlaces 1080i like Yadif does?

I think that Yadif is very similar. Maybe not so sharp?

What do you think?
Yep i agree its a bit sharp, I use them on a proper 'proper means not to many artifacts.. etc' Ntsc or Pal source videos, some times I even use these guys "KernelDeinterlace, LeakKernelDeinterlace, TomsMoComp, TDeint." Never tried smart on a 1080i.

The universal settings for smart is 1) Frame only differencing 2)Blend (only if you want a crappy output).

Yup I agree with you there isn't much difference in both. maybe it like a bit sharp :-) again it's a personal opinion. Choose what's good for your source.

Take a look at this old thread for 1080i deinterlacing 'http://forum.doom9.org/showthread.php?t=140192'. Give it a read.

I'll check smart with a 1080i and let you know about it.
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Old 6th September 2012, 06:23   #7  |  Link
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SmartDeinterlace works fine with 1080i.
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Old 6th September 2012, 06:35   #8  |  Link
srk3461
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SmartDeinterlace works fine with 1080i.
Really..! Ya why wouldn't it, I never thought of it!? Same parameters or anything different neuron2?

Last edited by srk3461; 6th September 2012 at 06:52.
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Old 6th September 2012, 07:02   #9  |  Link
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No, everything is the same. The frame is bigger, so what?
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Old 6th September 2012, 14:10   #10  |  Link
zmejce
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Thanks
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Old 6th September 2012, 14:10   #11  |  Link
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Same settings for 1080p (like blu-ray movie)?
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Old 6th September 2012, 14:43   #12  |  Link
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Same settings for 1080p (like blu-ray movie)?
Why would you apply deinterlacing to a progressive stream?
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Old 6th September 2012, 15:58   #13  |  Link
zmejce
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I know that there's no need to apply deinterlace filter to progressive stream, just wondering would those same settings apply to 1080 resolution (i don't know if it's 1080i or what else) blu-ray movie (it's somehow interlaced)?
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Old 6th September 2012, 17:20   #14  |  Link
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The frame size does not make any difference to the suitable settings. I already said that!

You do not need to deinterlace a stream with progressive content.

If the content is progressive, it cannot be "somehow interlaced".

I suppose you are failing to distinguish between the nature of the stream content and how it is encoded. It's a common mistake. You need to focus on the content, i.e., are the field pairs sampled at the same time or at different times (the field period). You can look at #1 and #2 here for a way to determine the nature of your content:

http://neuron2.net/faq.html

If this is all gobbledegook to you, then you need to go back to basics and learn about video before attempting to do any serious work.
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Old 6th September 2012, 18:39   #15  |  Link
zmejce
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neuron2 I think blu-ray movies are interlaced in a different way than 1080i hdtv captures.

My question is if the same settings apply for 1080 blu-ray interlaced movies/discs?
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Old 6th September 2012, 20:25   #16  |  Link
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You mean telecined? In that case you do not deinterlace, just use IVTC (Inverse Telecine) to recover progressive frames.
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Old 6th September 2012, 22:44   #17  |  Link
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You mean telecined? In that case you do not deinterlace, just use IVTC (Inverse Telecine) to recover progressive frames.
And, of course, Blu-ray discs can be true 1080i and HDTV will often have 3:2 pulldown. This has to be verified visually.
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Old 6th September 2012, 23:42   #18  |  Link
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Blurays with telecine are pretty rare aren't they, I can't remember ever seeing one.

@zmejce

I gave you a link that tells you how to identify progressive versus interlaced versus telecined. If you have some doubts post a link to an uprocessed sample stream, and we can tell you what it is.

If your stream is truly interlaced (and not telecined) then you can use the same SmartDeinterlacer settings already described.
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Old 7th September 2012, 00:24   #19  |  Link
zmejce
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Ok, i think about interlaced, not telecined.
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Old 7th September 2012, 01:16   #20  |  Link
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I found I've never had a need for any other Deinterlacers beside VDub's internal one, and Deinterlace - area based (with edge detect set to 0 to really catch all the interlacing lines): http://www.guthspot.se/video/index.htm

Any other ones just weren't sharp enough. Especially those ones beside IVTC that promise you to "restore progressive frames" after your footage has been interlaced in post do nothing but crap. Remember there's a difference in motion blur whether you capture your footage at 24p or 25p on the one hand, or 50i or 60i on the other. That's why it's crucial whether you're using spatial interpolation (that doesn't change your motion blur) or temporal blending (that exactly doubles it), because most of those that promise you to "restore" your progressive frames end up using nothing but temporal blending, even if they claim being adaptive, and that looks utter crap on footage that originated as 24p and 25p because the result equals a standard motion blur of 12fps.

Especially in PAL, you should consider first trying Field Reorder: http://home.earthlink.net/~tacosalad/video/fldorder.htm Up until the 1990s, it was common for terrestrial PAL airing to interlace progressive footage by delaying one field in relation to the other, so this filter, while not being a real deinterlacer, will take care of that better than any other.

And there *CAN* be a need to deinterlace progressive footage, in order to remove artifacts on borders that result from prior oversharpening without unnecessarily blurring non-affected areas too much.

Last edited by TlatoSMD; 7th September 2012 at 01:41.
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