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Removing white background from footage

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dave frith
Removing white background from footage
on Jun 21, 2011 at 2:06:59 pm

Hi All,


I have a Quicktime mov file, which is black and white.
The people are silhouettes in black and the background is white.

I am trying to remove the white background, so the background is transparent so I can place the people silhouettes ontop of other footage.

I have tried using transfer/blending mode to screen / multiply but no luck.

Any help or suggestion would be greatly welcomed.

Thanks

Dave


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Brian Charles
Re: Removing white background from footage
on Jun 21, 2011 at 2:27:48 pm

If the footage is indeed only black and white you could use a linear color key to key out the white background and a matte choker to clean it up.

If you need more control you could use Keylight to remove the background.



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dave frith
Re: Removing white background from footage
on Jun 21, 2011 at 2:56:27 pm

Thanks for the replies.

I used the keylight and it worked great.

Thanks for the help.


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Dave LaRonde
Re: Removing white background from footage
on Jun 21, 2011 at 2:38:05 pm

...or you could also use the B&W footage as a Luma Matte for a selected layer. 100% black is totally transparent, 100% white is totally opaque, and anything in between is varying degrees of opacity.

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


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