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<br>
<br><div class="gmail_quote">2009/2/3 <span dir="ltr"><<a href="mailto:bigswift@cox.net">bigswift@cox.net</a>></span><br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I did it a few years ago with help from Chris and pix_chromakey<br>
<br>
ony has one pick though, lemme find it<br>
<br>
<br>
pp<br>
<br>
<br>
Patrick Pagano<br>
<br>
Digital Media Engineer<br>
Digital Worlds Institute<br>
University of Florida<br>
<div><div></div><div class="Wj3C7c"><br>
<br>
<br>
<br>
On Tue, Feb 3, 2009 at 5:00 PM , mark edward grimm wrote:<br>
<br>
> hello...<br>
> i would be interested in this too if anyone has something. i actually<br>
> was just trying some stuff out with a green screen but did not get<br>
> very far.<br>
> although i did not play around for long i did have trouble getting the<br>
> [pix_chroma_key] to work well (or do anything at all for that matter).<br>
><br>
> i just did something like:<br>
><br>
> [gemhead 1]<br>
> |<br>
> [pix_video]<br>
> |<br>
> [pix_alpha]<br>
><br>
> and<br>
><br>
> [gemhead]<br>
> |<br>
> [pix_film]<br>
><br>
> ...but im sure there is someone that knows something better optimized<br>
> for green/blue screen work.<br>
> <br>
><br>
> --- On Tue, 2/3/09, Martin Schied <<a href="mailto:crinimal@gmx.net">crinimal@gmx.net</a>> wrote:<br>
><br>
>> From: Martin Schied <<a href="mailto:crinimal@gmx.net">crinimal@gmx.net</a>><br>
>> Subject: Re: [PD] video bluescreen<br>
>> To: "Garrett Lynch" <<a href="mailto:lists@asquare.org">lists@asquare.org</a>><br>
>> Cc: <a href="mailto:pd-list@iem.at">pd-list@iem.at</a><br>
>> Date: Tuesday, February 3, 2009, 2:41 PM<br>
>> Hi,<br>
>><br>
>> Garrett Lynch wrote:<br>
>>> I'm trying to put together a video bluescreen and<br>
>> I'm just not finding<br>
>>> the right object I think. pix_multiply sort of does<br>
>> what I want by<br>
>>> dropping out white in a video and replacing it with<br>
>> another video but<br>
>>> how do I get this working with a defined colour (i.e.<br>
>> not necessarily<br>
>>> white but the blue or green normally used in studios).<br>
>> There seem a<br>
>>> few objects that deal with different ways of mixing images/videos<br>
>>> pix_mask, pix_mix, pix_composite etc.<br>
>> Which is the<br>
>>> right one to use? Thanks in advance.<br>
>> [pix_chroma_key] could do what you need. For higher quality<br>
>> results you'll have to use several objects and use some<br>
>> compositing techniques like explained here:<br>
>><br>
>> <a href="http://www.blendedplanet.com/?Freebie_Tutorials:The_Ultimate_Keyer" target="_blank">http://www.blendedplanet.com/?Freebie_Tutorials:The_Ultimate_Keyer</a><br>
>><br>
>> It's for blender3d and probably overkill for your needs<br>
>> but you can use some of its basic principles in GEM too.<br>
>><br>
>> - btw has anyone done something like that in pd? I only<br>
>> used it in blender some time ago.<br>
>><br>
>> cheers,<br>
>> Martin<br>
>><br>
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