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Need some info on how to properly handle Mattes in AE.

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Steve Rhoden
Need some info on how to properly handle Mattes in AE.
on Dec 8, 2012 at 3:42:44 pm

Hey Fellow Cow Leaders and AE Gurus,
Just want a little input here on how to properly configure some
mattes over its own similar video to get a clean composite
with a transparent background.
They are some explosion footage from Artbeats with each
corresponding matte, i can get a clean transparent background,
but for the life of me i cant get the the centre of the footage
right, the dark regions in the middle of the explosions are also
transparent. Thanks much.

Steve Rhoden
(Cow Leader)
Film Editor & Compositor.
Filmex Creative Media.
http://www.facebook.com/FilmexCreativeMedia
1-876-832-4956


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Vishesh Arora
Re: Need some info on how to properly handle Mattes in AE.
on Dec 8, 2012 at 4:59:57 pm

Steve

Try to switch between luma and alpha matte as track mattes to check which one is giving better results.

Also if the original video has a black BG then you can simply use
Red Giants Unmult plugin
which is free and removes black f

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

Demo Reel(3D):







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Vishesh Arora
Re: Need some info on how to properly handle Mattes in AE.
on Dec 8, 2012 at 5:03:02 pm

Steve

Try to switch between luma and alpha matte as track mattes to check which one is giving better results.

Also if the original video has a black BG then you can simply use
Red Giants Unmult plugin
which is free.

http://www.redgiantsoftware.com/products/all/knoll-unmult-free/


Also give a try to Blend modes like Screen and Add. Sometimes these will give good results.

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

Demo Reel(3D):







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Steve Rhoden
Re: Need some info on how to properly handle Mattes in AE.
on Dec 8, 2012 at 5:50:46 pm

Thanks Vishesh, But none of that helps. I got the
background keyed quite nicely, but the centre of the explosions
has dark debris, hence those are keyed too and make the centre
also transparent, just cant find a way to get rid of the
transparent centre.

Steve Rhoden
(Cow Leader)
Film Editor & Compositor.
Filmex Creative Media.
http://www.facebook.com/FilmexCreativeMedia
1-876-832-4956


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Vishesh Arora
Re: Need some info on how to properly handle Mattes in AE.
on Dec 8, 2012 at 7:35:50 pm

Steve

Try to adjust brightness of matt at center using Levels and Curves.
Can't say much without seeing the footage.

Vishesh Arora
3D and Motion Graphics Artist
Films Rajendra

Blog:
http://digieffects.wordpress.com

Demo Reel(3D):







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