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DPChallenge Forums >> Tips, Tricks, and Q&A >> Copy paste image with different RGB background
Showing posts 1 - 9 of 9, (reverse)
05/05/2009 05:12:04 PM · #1
I'm not big into Photoshop (yet). Lot of times, I want to copy a person from a picture and then paste it into another another background but I run into few issues.

1. When I paste the person into another background, the edges sometimes seems rough and you can tell that I copied and pasted the picture. How do I avoid/fix these kind of issues?

2. Some times, the picture I am pasting has different brightness, color range than the background I am pasting into. This creates a problem as it becomes obvious that it is a pasted picture. How do I fix it?

You help will be appreciated.
05/05/2009 05:16:53 PM · #2
As for the first, you need to feather the selection. That softens the transition. The amount of feathering will depend on the physical size of the selection, basically. Regarding the second, you can try doing a "match color" (in the photoshop edit/adjust menu) between the two before you cut and paste. This doesn't always work, but it's a great starting point.

05/06/2009 03:41:46 PM · #3
Thanks Bear Music,

<Quote> Regarding the second, you can try doing a "match color" (in the photoshop edit/adjust menu) between the two before you cut and paste. </Quote>
The problem will be if the background has more than one prominent color.
For example, if I paste a woman's picture on a picture that has blue sky and green grass with different brightness, then it will be a problem matching the color.
I think there must be a way to match the brightness intensity of 2 pictures.
05/06/2009 04:25:32 PM · #4
matching lighting is actually much more than matching brightness. Viewers react to subtle lighting cues such as the direction and softness/hardness of the light, as well as the color temperature (cool bluish "cloudy day" vs. warm "sunset" colors, as an example).
05/06/2009 06:01:03 PM · #5
Kirbic is so on the money here, no matter how well you do the composite if the lighting is different between the two shots you will not get good results.

This was a composite I did sometime ago, I used flash on the wall to get a similar light to what ' . substr('//www.dpchallenge.com/images/user_icon/21.gif', strrpos('//www.dpchallenge.com/images/user_icon/21.gif', '/') + 1) . ' MAK and I used in the studio on the shoot and cut her out of the brown backdrop cloth we used. I know it's not perfect but I think it's pretty good overall.

' . substr('//images.dpchallenge.com/images_portfolio/95000-99999/96721/120/788933.jpg', strrpos('//images.dpchallenge.com/images_portfolio/95000-99999/96721/120/788933.jpg', '/') + 1) . '

ETA: Spelling as always ;)

Message edited by author 2009-05-06 18:01:26.
05/07/2009 02:15:28 AM · #6
Hey Mark
That was well done. Can you tell us how you did that in Photoshop?
05/07/2009 03:07:52 AM · #7
when you paste the other piece keep it on its own layer, it shouldn't be hard at all to do a curves adjustment on one or both layers so the color and brightness match. kirbic is right though if the lighting is at the wrong angle it could be very difficult if not impossible to make it look natural.
05/07/2009 03:18:52 AM · #8
Originally posted by Oregonian:

Hey Mark
That was well done. Can you tell us how you did that in Photoshop?

Sure I will try and put something together over the weekend as I am away on business for the next couple of days.
05/07/2009 12:00:01 PM · #9
I found this link where the the person puts eyes and lips on apples. Not exactly what I was looking for but still was helpful. Thought of posting it here.

Apple Photo manipulation
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