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pr0fess0r
Joined: 16 May 2005
Posts: 6
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 Posted: Mon May 16, 2005 2:51 am Post subject: Making black transparent |
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Hi all
I have some photos of clothing taken against a black background. I want to get rid of the background and have the clothing against a transparent background but some areas of the clothing are semi-transparent, so what i need to be able to is somehow key out the black, or make an alpha channel from the black. Can anyone suggest a technique or site I could check out to accomplish this?
cheers
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BryanDowning
Joined: 05 Jul 2004
Posts: 1554
Location: California, USA
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| Posted: Tue May 17, 2005 12:39 pm Post subject: Re: Making black transparent |
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| pr0fess0r wrote: | | but some areas of the clothing are semi-transparent |
What do you mean semi-transparent? Can you post an example?
_________________
Best Regards,
Bryan Downing
bryandowning.com |
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pr0fess0r
Joined: 16 May 2005
Posts: 6
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| Posted: Tue May 17, 2005 3:01 pm Post subject: |
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BryanDowning
Joined: 05 Jul 2004
Posts: 1554
Location: California, USA
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| Posted: Tue May 17, 2005 7:50 pm Post subject: |
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Is the train made out of a mesh material that is supposed to be see through? Because the 1st gown looks completely natural to me. It just looks like a shadow down on the train. If it's supposed to be see through like a mesh, I think I can figure out how to mask that.
_________________
Best Regards,
Bryan Downing
bryandowning.com |
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pr0fess0r
Joined: 16 May 2005
Posts: 6
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| Posted: Tue May 17, 2005 8:00 pm Post subject: |
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Yes, the black is not shadow, its the black behind the gown when the photo was taken. I want to show the gown against different backgrounds so I need the dark areas of the gown to be semitraqnsparent so the background shows through - the darker the area, the more transparent...
cheers
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BryanDowning
Joined: 05 Jul 2004
Posts: 1554
Location: California, USA
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| Posted: Tue May 17, 2005 8:54 pm Post subject: |
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Is this kind of what you're after?
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_________________
Best Regards,
Bryan Downing
bryandowning.com |
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pr0fess0r
Joined: 16 May 2005
Posts: 6
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| Posted: Tue May 17, 2005 9:43 pm Post subject: |
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Yep, that's exactly what I'm after!
How did you do that?
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BryanDowning
Joined: 05 Jul 2004
Posts: 1554
Location: California, USA
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| Posted: Wed May 18, 2005 4:05 pm Post subject: |
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wow. This is one of those things that takes like 10 minutes to do, but like an hour to type out. I'll post the directions later on today.
_________________
Best Regards,
Bryan Downing
bryandowning.com |
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pr0fess0r
Joined: 16 May 2005
Posts: 6
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| Posted: Wed May 18, 2005 4:20 pm Post subject: |
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Great, thanks!
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pr0fess0r
Joined: 16 May 2005
Posts: 6
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| Posted: Fri Jun 10, 2005 7:55 pm Post subject: |
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Hi, I wondered if you would mind just bulleting the steps you took, rather than writing detailed instructions. I should be able to work it out if I know what you did. Any help would be really appreciated.
Thanks
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