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green screen reflection on my product photo

Posted: Fri, 3rd Apr 2009, 5:04pm

Post 1 of 6

FXhomer56420

Force: 0 | Joined: 3rd Apr 2009 | Posts: 5

Member

I am not familiar with any photo related thing but am taking on a new task at work. Does anyone know if there's a button or function in the demo that will get rid of the green screen reflection on my product? My object that I took a picture of has green on the sides.

Also I can't seem to find out how to fit my whole object on the workspace after I imported it onto my background. How do I make my object smaller to fit perfectly in the middle of the vertical rectangle shaped background with a big "X" in it?

Any help would be great, thanks everyone.
Posted: Fri, 3rd Apr 2009, 8:44pm

Post 2 of 6

Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

If your subjects are reflective, then greenscreen probably isn't the best technique to use for background removal. A black background might prove more effective. If there is green reflected on your object, it will be removed along with all the other green when you key. You could use a mask to keep those areas from being removed, but you will still end up with green reflections on the object.

If its just a bit of ambient reflected green along the edges of your subject, that's different, and can be dealt with, but if you have an actual reflective subject, then greenscreen is going to prove problematic. If you can upload the original image to www.imageshack.us or some other webspace and give us a link, we may be able to offer more specific suggestions.

Use the Canvas Size to change the size of the canvas area. Setting it to As Foreground will automatically make it match the size of the foreground you import. Otherwise, use the Position controls to adjust the size so it fits into your desired canvas size.

Also, I've deleted the second topic you started asking this same question, as having two threads discussing it is unneccessary. Please don't double-post in the future. Thanks.
Posted: Mon, 6th Apr 2009, 2:11pm

Post 3 of 6

FXhomer56420

Force: 0 | Joined: 3rd Apr 2009 | Posts: 5

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http://img19.imageshack.us/img19/6772/img0049pcr.jpg
That's the original

Here is the green effect after the keying
http://img19.imageshack.us/img19/4826/photokeytest.png

Thanks
Posted: Tue, 7th Apr 2009, 11:00pm

Post 4 of 6

xtremed

Force: 2250 | Joined: 10th Sep 2008 | Posts: 109

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Gold Member

you should use a background more green, this is almost yellow. Or try to set the option level in photokey at 0%
Posted: Tue, 7th Apr 2009, 11:05pm

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Axeman

Force: 17995 | Joined: 20th Jan 2002 | Posts: 6124

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SuperUser

Ah, that isn't really a reflective subject, as I was thinking. I'll try get a chance to mess around with the image a bit and see what I can figure out for you. As mentioned though, having a properly green screen will help significantly.
Posted: Wed, 8th Apr 2009, 5:14pm

Post 6 of 6

FXhomer56420

Force: 0 | Joined: 3rd Apr 2009 | Posts: 5

Member

thanks