Best way of upscaling 4:3 to 16:9?

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Best way of upscaling 4:3 to 16:9?

Postby Magnus » Sun Nov 08, 2009 6:14 am

Hi guys,
I've yet to figure out the best way of upscaling my footage.
You might ask me why, but it's mostly cause in my eyes it looks nicer covering my whole screens when I watch my vids.
So basically for a upcoming video I'm using an anime whichis in 4:3 - 640x480.
And I'd like to upscale that to 848x480, which would be the best way of doing this?
What commands and filters would give me the best result quality-wise and so on?


Thankful for all response!


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Re: Best way of upscaling 4:3 to 16:9?

Postby mirkosp » Sun Nov 08, 2009 7:53 am

When doing upscales, nnedi2 is what you should use. Some sharpening after it might also help.
Either way, since you're talking about upscaling a 640x360 area, why not upscaling it to 1280x720? Upscaling by exponentations of 2 will result in nicer upscale, and it's what nnedi2_rpow2 does after all. All in all, my suggestion is:
Code: Select all
nnedi2_rpow2(2,2,3,true,"spline36resize",1280,720)
lsfmod()
fastlinedarkenmod(thinning=0)
awarpsharp2(8,1)

Slow but likely to give pretty much as good of a result as you can get.
If you don't have some of those sharpening filters, here are the links:
lsfmod
fastlinedarkenmod
awarpsharp2
Note that there are differences between these plugins and older version (eg: limitedsharpenfaster, fastlinedarken, awarpsharp), since there were various improvements, be it output or speed wise. Lsfmod is slower, but sharpens slightly better (the old one used to give me an odd banding-like effect in some areas, this one seems to not do that anymore), fastlinedarkenmod actually works for me now (the older one wouldn't want to work for some reason...), awarpsharp2 removed the green junk bug and changed a bit the parameters.
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Re: Best way of upscaling 4:3 to 16:9?

Postby Magnus » Sun Nov 08, 2009 9:00 am

Thanks a lot mirko!
I will try it out, but first I need to know something.
And this WILL be a newbie question, but which folder do I save the new filters to?
Never downloaded any additional filters before.
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Re: Best way of upscaling 4:3 to 16:9?

Postby mirkosp » Sun Nov 08, 2009 9:16 am

C:\Program Files\AviSynth 2.5\plugins

Put the .dll or .avsi directly there, no subfolders.


BTW: That script should be used after you cropped the 640x480 to 640x360 of course.
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Re: Best way of upscaling 4:3 to 16:9?

Postby Magnus » Sun Nov 08, 2009 9:36 am

mirkosp wrote:C:\Program Files\AviSynth 2.5\plugins

Put the .dll or .avsi directly there, no subfolders.


BTW: That script should be used after you cropped the 640x480 to 640x360 of course.

Alright, gotcha.

Thanks!
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Re: Best way of upscaling 4:3 to 16:9?

Postby Milk Or Life! » Tue Jan 05, 2010 9:08 am

woot this set works better than i expected though it would be good have some kind of smoother&deblocker it's a little "dirty" because of that in places
any suggestions?
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Re: Best way of upscaling 4:3 to 16:9?

Postby mirkosp » Tue Jan 05, 2010 1:22 pm

After upscaling and before sharpening try to use fft3dgpu at light settings, perhaps these might do:
Code: Select all
fft3dgpu(mode=1,precision=2,sigma=1.5)
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Re: Best way of upscaling 4:3 to 16:9?

Postby Milk Or Life! » Tue Jan 05, 2010 2:32 pm

though after render it doesn't looks so bad O:
well thanks i will try it out :D i wonder i how will it look on mah 42" if my hdd will handle render of ful vid lol.
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Re: Best way of upscaling 4:3 to 16:9?

Postby ExSphere » Mon Jan 11, 2010 1:35 am

The best route to take is to set your project file to 640x360 and avoid the upscale. It always just looks tacky and noticeable to me. But if you can pull it off more power to you.
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Re: Best way of upscaling 4:3 to 16:9?

Postby CastielTheFallen » Mon Jan 18, 2010 12:17 am

ZetZu wrote:Hi guys,
I've yet to figure out the best way of upscaling my footage.
You might ask me why, but it's mostly cause in my eyes it looks nicer covering my whole screens when I watch my vids.
So basically for a upcoming video I'm using an anime whichis in 4:3 - 640x480.
And I'd like to upscale that to 848x480, which would be the best way of doing this?


Not fucking up scaling?

Enjoy your craptastic quality on that.
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Re: Best way of upscaling 4:3 to 16:9?

Postby EvaFan » Mon Jan 18, 2010 4:02 pm

Wouldn't it just be easier to find/buy a 4:3 monitor if you just want it to cover the whole screen? Atleast this way you don't lose any quality and you can have other benefits.
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Re: Best way of upscaling 4:3 to 16:9?

Postby Milk Or Life! » Mon Feb 22, 2010 10:53 am

well i have 17" so that's not a problem i just wanted to upscale few amv's for example :P
btw now i have a new problem the speed of it go like fallen down from 0,5, to like 0,2 0,3 fps after adding crop at beginning tho it's just cropping black borders soo will it be better to add crop at the end of script or... get better pc? :P
also that fft3dgpu doesn't like mah shitty 256mb gforce card too much not enough memory for all kind of modes on this vid with crop (mode 0 works without it tho) (didn't try float yet )
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Re: Best way of upscaling 4:3 to 16:9?

Postby Milk Or Life! » Mon Feb 22, 2010 10:59 am

err forgot to say i'm doing it that way avsp -> directshow filters, and encode to mp4 to save hdd space D: so that 0,5 frame rate is from x.264 D:
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Re: Best way of upscaling 4:3 to 16:9?

Postby mirkosp » Mon Feb 22, 2010 11:31 am

Milk Or Life! wrote:err forgot to say i'm doing it that way avsp -> directshow filters, and encode to mp4 to save hdd space D: so that 0,5 frame rate is from x.264 D:

0.5 fps in x264 with that chain isn't too bad. :P
I can get 0.3 using a lossless, mind you. Although, that's more my fault for using needlessly insane parameters than anything. >_>
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Re: Best way of upscaling 4:3 to 16:9?

Postby Milk Or Life! » Mon Feb 22, 2010 11:53 am

i see D: i played around with increasing priorities in taskbar but isn't helping too much well what's good after 2500 frames it growned up back to 05, well that's it i guess D:

i just thought directshow was wrong way to do it (btw is there some match up somewhere lagvs/diirectshow/stuff?)
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