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Trouble with Noise on black suit using key light

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Cara Myers
Trouble with Noise on black suit using key light
on Mar 11, 2013 at 3:09:50 am

Fairly new at keying in AE cs6 and pulling my hair out trying to get the noise to disappear off of this guy's suit using Keylight! Screen Matte view makes it look crisp and clean but it's not. I have tried to clip the black and white under Screen Matte as well. Any ideas? I would be forever GRATEFUL!







Cara Myers
Video Editor/Motion Graphics
vesperafilms.com
PLATFORM: Adobe Cs6
MACHINE: 2 x 2.4 GHz Quad-Core Intel Xeon Mac Pro
RAM: 14 GB 1066 MHz DDR3 ECC
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Displays: two 24" Samsung Syncmaster B2430's
VIDEO OUT: 55" Panasonic TC-P50GT50 55" Plasma television


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Thallis von Holck
Re: Trouble with Noise on black suit using key light
on Mar 11, 2013 at 7:05:11 am

Try to precomp your Keyed layer and use it as alpha matte for itself . So you key actually only creates a matte for your original layer.


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Tudor "Ted" Jelescu
Re: Trouble with Noise on black suit using key light
on Mar 11, 2013 at 7:44:38 am

Do not use "Final Result" in the View, rather "Intermediate Result". You may need to add a Spill Suppression.

Tudor "Ted" Jelescu
Senior VFX Artist


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Roland R. Kahlenberg
Re: Trouble with Noise on black suit using key light
on Mar 11, 2013 at 7:57:20 am

As Ted has prescribed, you should stay away from using Keylight's Final Result. Keylight's Final Result option adds Spill Suppression which is of course a good thing. However it usually adds noise to the keyed footage.

Stick to Keylight's Intermediate Result and then use another de-spilling technique.

Here are a couple of good de-spilling procedures -

http://forums.creativecow.net/thread/2/1027498#1027628

http://ae.tutsplus.com/tutorials/workflow/advanced-spill-suppression-method...

HTH
RoRK

Intensive mocha & AE Training in Singapore and Other Dangerous Locations

Imagineer Systems (mocha) Certified Instructor
& Adobe After Effects ACE/ACI (version 7)


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Vishesh Arora
Re: Trouble with Noise on black suit using key light
on Mar 11, 2013 at 10:35:19 am

Cara

I have keyed out the Image. Hope this may help.

Check this Example:

5633_keyinggreenscreenfootage.zip

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

2011 3D Demo Reel:








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Dave LaRonde
Re: Trouble with Noise on black suit using key light
on Mar 11, 2013 at 5:43:10 pm

The other gents have the solution for you. To avoid using it in the future, don't light the green screen so brightly. It's too hot for Keylight. A stop darker than highlights on the subject is better and two stops is better still.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Kevin Camp
Re: Trouble with Noise on black suit using key light
on Mar 11, 2013 at 8:08:22 pm

one other tip to add. setting keylight's 'replace method' (under screen matte) from soft colour to hard colour can often help the noise issue.

Kevin Camp
Senior Designer
KCPQ, KMYQ & KRCW


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Junior Sun
Re: Trouble with Noise on black suit using key light
on Mar 20, 2013 at 5:46:20 pm

amazing program. Im still learning. using basic stuff like Adobe Premier and Windows Movie Maker (lol)


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Dave LaRonde
Re: Trouble with Noise on black suit using key light
on Mar 20, 2013 at 5:57:45 pm

Yeah, well, ditch Movie Maker and go with Premiere. You'll be happier in the long run.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Junior Sun
Re: Trouble with Noise on black suit using key light
on Mar 20, 2013 at 6:11:41 pm

ok... I plan to. Just been to busy designing websites to learn Premiere. I do use Dreamweaver, Illustrator, and Photoshop everyday. But Movie Maker did ok for 1 of my videos.. Please give me your opinion and tell me if you think it looks amateur.. I usually get great reviews but from friends and family.





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Dave LaRonde
Re: Trouble with Noise on black suit using key light
on Mar 20, 2013 at 10:12:43 pm

It looks fine, but you'd use premiere because of Dynamic Link between AE & Premiere. Very handy.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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