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Fixing noise after using Keylight on subject?

Explorer ,
Oct 02, 2017

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I have tried to use keylight on a subject before with no green bouncing on them and they always have this weird noise on their solid color non-green clothes.  Is there a way to fix this with another plug in?

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Fixing noise after using Keylight on subject?

Explorer ,
Oct 02, 2017

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I have tried to use keylight on a subject before with no green bouncing on them and they always have this weird noise on their solid color non-green clothes.  Is there a way to fix this with another plug in?

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Oct 02, 2017 0
Most Valuable Participant ,
Oct 03, 2017

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Without any info or screenshots of your footage and settings this is difficult to tell, but feel free to experiment with the Remove Grain effect. Though, to be honest, it is more likely that you need to change procedures. Your footage may be shot the wrong way or you have overcranked your settings.

Mylenium

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Oct 03, 2017 0
Most Valuable Participant ,
Oct 03, 2017

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This is probably due to Keylight's notoriously aggresive spill supressing. Try this: use "intermediate result" instead of "final result" and for the spill use Ae's "advanced spill supressor". If that doesn't cut it, I recommend NeatVideo noise removal plugin

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Oct 03, 2017 3
Enthusiast ,
Oct 03, 2017

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You can also use Keylight to create the matte and then use a copy of the footage without keylight as the "fill". Then you can color correct that layer and do anything else without the added noise

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Oct 03, 2017 0
Most Valuable Participant ,
Oct 03, 2017

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I think it's the same thing as choosing intermediate result and without the hassle of additional layers. you're basically telling Keylight not to deal with color correction.

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Oct 03, 2017 0
New Here ,
May 10, 2020

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i cant believe it was this easy! thank you so much this REALLY saved my ass

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May 10, 2020 0
New Here ,
Dec 05, 2019

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This fixed exactly what I was having a problem with, thank you.

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Dec 05, 2019 0
New Here ,
May 24, 2020

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This saved me, thank you!

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May 24, 2020 0
Adobe Community Professional ,
Oct 03, 2017

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Under Keylight > Screen Matte category you have a setting called Replace method. When you get a noisy result, is it better to change this parameter to Source. Also you can contrast your matte to get better result in the same category using the Clip Black and Clup White parameters. Maybe it is not perfect but a better start point to clean the matte

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Oct 03, 2017 2
New Here ,
Nov 11, 2019

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This is the answer I was looking for. Fixed the grain.
Setting to Intermediate result also fixes this, but then I cant use the Edge Colour Correction feature.
Thanks Jose 🙂

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Nov 11, 2019 0
Enthusiast ,
Oct 03, 2017

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Not quite - with the extra layer you have the ability to process the layer after the key - without effecting the matte

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Oct 03, 2017 0
Enthusiast ,
Oct 03, 2017

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Also - since you can rarely pull a proper key with a single instance of keylight, you can add your mattes together and have a single layer as your fill.

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Oct 03, 2017 0
Most Valuable Participant ,
Oct 03, 2017

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I see what you mean. still you can add mattes with intermediate result. one layer with keylight for core matte, another layer with keylight in the layer stack below for soft edges. mulltipass keying works with this technique too. the alpha or luma matte technique is valid of course, just different approach. here's an excellent course on keying by vfx guru Mark Christiansen. advanced stuff, he shows techniques for also multipass keying (no alpha or luma matte necessary)

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Oct 03, 2017 0
Enthusiast ,
Oct 03, 2017

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Yes - Mark's stuff is great!

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Oct 03, 2017 1