[PD] video bluescreen
Martin Schied
crinimal at gmx.net
Tue Feb 3 20:41:42 CET 2009
Hi,
Garrett Lynch wrote:
> I'm trying to put together a video bluescreen and I'm just not finding
> the right object I think. pix_multiply sort of does what I want by
> dropping out white in a video and replacing it with another video but
> how do I get this working with a defined colour (i.e. not necessarily
> white but the blue or green normally used in studios). There seem a
> few objects that deal with different ways of mixing
> images/videos pix_mask, pix_mix, pix_composite etc. Which is the
> right one to use? Thanks in advance.
[pix_chroma_key] could do what you need. For higher quality results
you'll have to use several objects and use some compositing techniques
like explained here:
http://www.blendedplanet.com/?Freebie_Tutorials:The_Ultimate_Keyer
It's for blender3d and probably overkill for your needs but you can use
some of its basic principles in GEM too.
- btw has anyone done something like that in pd? I only used it in
blender some time ago.
cheers,
Martin
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