🚀 go-pugleaf

In article <881026025709.666769@PCO-MULTICS.HBI.HONEYWELL.COM> Friesen%PCO@BCO-MULTICS.HBI.HONEYWELL.COM writes:
>
>
>I would like to be able to (when I get my genlocking equipment for my
>1040) use color seperation overlay (CSO) effects.  This is how they
>replace the blue screen behind the weatherman on the news with a
>computer satellite picture.  When dealing with film, instead of video,
>it is called blue-screening (I think).  I am curious if this CSO is
>usually done with hadware, or if it would be possible to make a program
>for the genlocking device to allow it to do this.  I would like to do
>this.  Would soemthing like this be possable?

In video, this process is called chroma-keying.  The best explaination is
the following.
Chroma keying is the process where the effects switcher selects a particular
color in the scene and replaces it with video from another source.  Case in
point:  The weather man stands in front of a blue screen.  The effects 
switcher is adjusted so that blue is the color to be replaced.  The blue
portion is then cut out of the video and the underlying video is then allowed
to show through.  A real creative Technical Director could replace the red
lipstick on a woman with black or green to create some humorous results.  I 
have also see men's ties replaced with buildings, etc.  So much for 
"Professional Video"!

rich andrews

-- 
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