[PD] video bluescreen

[el jay]

i have been playing with pdp_compose i have set up a blue cyclochroma in
room, and have used pdp_compose to do live bluescreening efects for
videos... it works nice.. dependes a lot on the quality of the camera and
the lighting you use

2009/2/3 <bigswift at cox.net>

> I did it a few years ago with help from Chris and pix_chromakey
>
> ony has one pick though, lemme find it
>
>
> pp
>
>
> Patrick Pagano
>
> Digital Media Engineer
> Digital Worlds Institute
> University of Florida
>
>
>
>
> On Tue, Feb 3, 2009 at 5:00 PM , mark edward grimm wrote:
>
> > hello...
> > i would be interested in this too if anyone has something. i actually
> > was just trying some stuff out with a green screen but did not get
> > very far.
> > although i did not play around for long i did have trouble getting the
> > [pix_chroma_key] to work well (or do anything at all for that matter).
> >
> > i just did something like:
> >
> > [gemhead 1]
> > |
> > [pix_video]
> > |
> > [pix_alpha]
> >
> > and
> >
> > [gemhead]
> > |
> > [pix_film]
> >
> > ...but im sure there is someone that knows something better optimized
> > for green/blue screen work.
> >
> >
> > --- On Tue, 2/3/09, Martin Schied <crinimal at gmx.net> wrote:
> >
> >> From: Martin Schied <crinimal at gmx.net>
> >> Subject: Re: [PD] video bluescreen
> >> To: "Garrett Lynch" <lists at asquare.org>
> >> Cc: pd-list at iem.at
> >> Date: Tuesday, February 3, 2009, 2:41 PM
> >> 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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