cl_ color and background image keying (Composition by dust)

Author: dust
License: (unknown)
Date: 2011.02.28
Compatibility: 10.6
Categories:
Required plugins:
(none)

here is a cl color key. erases color in scene. there is also a background removal like in photo both. you take a background image then use that to key.

PreviewAttachmentSize
dust_key.qtz2.32 MB

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zqpm1qaz's picture
Re: cl_ color and background image keying (Composition by dust)

very nice ptach still working in 10.9 mac pro.thanks!

dust's picture
Re: cl_ color and background image keying (Composition by dust)

cool, it seems to still be working on 10.10 for me as well. i found depending on background and lighting that some good results can come from this patch.

vj dobermann's picture
Re: cl_ color and background image keying (Composition by dust)

Hi could someone explain me how works the background removal please ???

thanks in advance

Achim Breidenbach's picture
Re: cl_ color and background image keying (Composition by dust)

In the composition there is a "Screen shot..." image on the left side. This image is used as "background" to key out. If you want to do your own background, you somehow need to replace this image. In a quick shot I used a "Sample & Hold" patch to capture the "Video Input" Image output and connected the "Sample & Hold" Value output to the "Image" input of the "Image Resize" patch. This is how I get it to work, however I can't explain the math behind it.

johnsnows's picture
Re: cl_ color and background image keying (Composition by dust)

Is there any chance to do that in general? I would like to try that out on my work on Mars. The two planets as in the picture should move to each other.