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10/06/2005 04:02:26 PM · #1 |
I've been asked to shoot a series of portraits for a band on a blue background. I've never used one, but will be buying one later today.
I know they are used to easly remove the background of an image. How do you do it in Photoshop? Do you just Magic Wand the BG and delete? Is there a special way to do it?
Any help on the subject would be great. Thanks.
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10/06/2005 04:09:22 PM · #2 |
Here is an article.
Grean/blue screen |
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10/06/2005 08:01:46 PM · #3 |
Thanks. This seems to apply to blue/green screens, though.
I'm going to be using a Chroma Blue seamless paper for the BG. I'd like to know if anybody here has had any experience using this type of product, and the results they got when trying to remove the BG in PS.
Thanks.
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10/06/2005 08:42:00 PM · #4 |
Magic-wanding the BG is basically it, AFAIK. The particular blues and greens used for Chroma-Keying are picked because they're easy to select (and probably to light evenly), and don't commonly occur in the foreground subjects. Note that newscasters never wear blue shirts, or you'd see superimposed images on their chests.
Set the magic wand to a low tolerance level. If you're actually going to drop in a new backgound, save the selection as a mask (alpha channel), and feather/touch-up as needed so the junction doesn't look fake. |
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