Posted by David McCall on 10/05/61 11:37
"Tech Geek" <equipemediatique@gmail.com> wrote in message
news:1137532306.802991.296150@g44g2000cwa.googlegroups.com...
> Thanks for the help!
> I tried using a posterboard that was green and it worked fine. There
> is a bit of green border around the subject, however I'm hoping the
> lighting will fix that . . . the board was not perfectly flat either .
> . .
>
> I was pretty surprised the white didn't work at ALL. I don't
> understand why it didn't but . . .oh well. Thanks again for the help.
>
> Alex Tingle
>
Chroma key = color key white is not a color
Chroma key looks for a certain hue at a given saturation.
White lacks color, so there is no hue or saturation to lock on to.
You can use white or black for a luma key though.
Luma key doesn't consider color, only video level.
David
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