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Noise in Keyed footage

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John Mangino
Noise in Keyed footage
on Nov 5, 2012 at 2:59:00 am

Hello,
I'm using Primatte Keyer for some green screen footage including a guy in a suit jacket. http://cl.ly/image/3Y3H2X360a12
Problem is when I apply the keyer I am getting a tremendous amount of noise in the jacket. Dancing pixels everywhere.
If I look at the alpha channel the matte looks solid. http://cl.ly/image/0R023M2P3X0z
I have had this happen before with suit jackets using Keylight (1.2) and I switched the Replace Matte Replace Method with hard color and that pretty much took care of it. Not working this time.

This is 5d Mark ii footage which I know has issues with material like this but does anyone have a good fix they would be willing to share?

Thanks everyone.


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Chris Wright
Re: Noise in Keyed footage
on Nov 5, 2012 at 6:31:10 am

are you working in 32bpc?


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Vishesh Arora
Re: Noise in Keyed footage
on Nov 5, 2012 at 7:00:41 am

John

Following the procedure according to the Documentation file which comes with Primatte may help.

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

Demo Reel(3D):







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Tudor "Ted" Jelescu
Re: Noise in Keyed footage
on Nov 5, 2012 at 11:12:26 am

There's some great input in this thread:

http://forums.creativecow.net/thread/2/1026804#1026804

Tudor "Ted" Jelescu
Senior VFX Artist


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John Mangino
Re: Noise in Keyed footage
on Nov 5, 2012 at 3:33:54 pm

The alpha matte solution is perfect. Thank you!


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