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Old 6th June 2003, 20:15   #1  |  Link
Bach
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unblend: deblend with yv12 support

.

Last edited by Bach; 9th July 2003 at 14:07.
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Old 6th June 2003, 21:22   #2  |  Link
ACClarke
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thank's a lot for this
I will test it on some Manga stuff (bad NTSC->PAL)
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Old 7th June 2003, 00:35   #3  |  Link
Koepi
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Very nice, will check it on STNG bad transfers...

Thanks & best regards
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Old 20th June 2003, 15:51   #4  |  Link
TheLaminatorX
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Can someone tell me what those settings do? I don't see any documentation anywhere
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Old 21st June 2003, 21:10   #5  |  Link
WarpEnterprises
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unblend(clip, int "threshold", float "dthresh", bool "show")

unblend compares each frame to the previous and the next.

threshold is a noise threshold (~5). If a pixel is more different from the one in the prev or next frame it is not considered .

Then there is a calculation done which gives a kind of probability that the frame is a blend - that it can be "constructed" by blending the prev and next together.
Having a probability > dthresh (~0.03) will replace the current with next or prev.

You can check if you select a blended frame and increase dthresh until it shows it as blended.
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Old 23rd June 2003, 17:52   #6  |  Link
TheLaminatorX
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Thanks for the info!
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Old 11th July 2003, 15:23   #7  |  Link
dar1us
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Where can I get the filter?!

harrison
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Old 11th July 2003, 15:32   #8  |  Link
Wilbert
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www.geocities.com/wilbertdijkhof/unblend.zip

@people who use the plugin,
Could anyone of you provide a short readme, how to use this plugin?
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Old 18th July 2003, 04:19   #9  |  Link
FredThompson
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It's also here: http://www.avisynth.org/~warpenterprises/

rePAL is there also and has a readme.
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Old 18th July 2003, 08:11   #10  |  Link
Wilbert
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That's because I mailed them to WarpEnterprises
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Old 18th July 2003, 08:16   #11  |  Link
FredThompson
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sparse homepage ya got there, huh?
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Old 20th July 2003, 21:14   #12  |  Link
WarpEnterprises
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?? (somewhat cryptic)
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Old 20th July 2003, 21:46   #13  |  Link
Wilbert
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I think he was referring to my homepage Anyway, I have internet at home since a few weeks. So, I will do something about it when I have some time
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Old 20th July 2003, 22:12   #14  |  Link
FredThompson
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yes, I was talking about Wilbert's homepage.

I'm putting together a home for "dead" sites and translations to English. Would you please forward whatever notes you have?
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Old 8th September 2003, 23:21   #15  |  Link
primitive
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Sorry to dig up an old thread, but this filter worked wonders @ default settings with some blended anime I had laying around.

Good show!
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Old 9th September 2003, 07:39   #16  |  Link
WarpEnterprises
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As I have a backup of the AviSynth forum here is the post Bach deleted at the top.

Quote:
unblend is a plugin based on warpenterprise's deblend algorithm and neuron2's decimate code, with YV12 support only. The aim is the same of deblend. The best usage is

avisource()
(smart)bob()
unblend()
decimate()

Of course you will need to play with some filters to achieve a smartbob, play with unblend settings - the default is unblend(threshold=5, dthresh=0.03, show=false) - and play with decimate settings.
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Old 10th November 2006, 14:26   #17  |  Link
kiwisrgreen
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will this filter unblur, I don't get what it does exactly. oh if it doesn't could someone recommend me a filter that does.
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Old 10th November 2006, 16:13   #18  |  Link
Alain2
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Blur ~= within a frame, makes sharp edges becoming smoothes, over a defined radius

Blend = mix of 2 (ratio tbd, can be 50%/50% or others) or more original frames into 1, which can look like directional blurring on moving objects

What is the effect you want to try to revert ?
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Old 10th November 2006, 17:35   #19  |  Link
kiwisrgreen
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trying to get bottom to look like top, what it's supposed to look like


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Old 10th November 2006, 20:57   #20  |  Link
foxyshadis
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On anime, blending is very obvious, it looks like ghosted lines next to each other. That blurring, however, needs a sharpener and tweak to incrase saturation (and, tbh, a better source, you'll never get it looking quite like the top).
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