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Thread started 13 Jan 2011 (Thursday) 08:57
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Blending light on overlayed images help

 
Bioshock
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Jan 13, 2011 08:57 |  #1

Hey guys,

This last weekend we were snowed in so I started messing around with my camera. I took some photos I thought would be fun to combine into a single image.

I was wondering if anyone could give me tips on how to better blend the light from a studio shot to the light of the background you want to transfer it to. In the examples here to go from the white studio strobe look to more of a yellow light.

I suppose if I had an idea of a background before I took the shot I could have used gels on the flashes but in this case I took the pictures then looked for a background I could use with them. Any suggestions on what could be done or how to make them not look so bad?

*These are roughly done so the selections aren't the best. Just trying to see if they would turn out at all

Studio shot(s)

IMAGE: http://farm6.static.flickr.com/5169/5351525663_8920ed0794_z.jpg

Try 1

IMAGE: http://farm6.static.flickr.com/5001/5351525543_32a34429d1_b.jpg

Try 2

IMAGE: http://farm6.static.flickr.com/5089/5351525479_5b3bbd4a13_b.jpg

Would love to see some other attempts if anyone is willing to try. :-)

Kevin: 5D Mark III, Canon 7D
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svarley
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Jan 13, 2011 12:44 |  #2

I think you're picking up a little too much white along the outline of the person, which is making it look extra pasted when you put it in a darker background.

Another issue is that the armored dude appears to be lit from the right (in your white background image) and your person is lit from the left.

I think Try 1 looks the most "natural" (LOL)

You need to warm up the light on the person in Try 2... a lot... since it's fire reflecting on his face.

Try 3 has the potential to look best I think, if you can add some shadows. It appears that the main light source is above and behind your two characters but the dude still has flash highlights on his face from the front, so again, warm that up. It might also help your second two tries if you color swap the white background for orange (without altering your selection) to help with that little white edge highlighting you're seeing.

Looks like you're having fun with it. :)




  
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René ­ Damkot
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Jan 13, 2011 13:47 |  #3

Yeah. you will need to match the "reflection off the floor" match the tone of what they are standing on, and will need to "make" a shadow to avoid it looking too fake.

Nice effort though, and the combination of you and the toy is done pretty well perspective wise (and that's a lot harder then it sounds!)

If masking is the biggest problem you are facing: Here's some video's:

http://www.scottkelby.​com/blog/2009/archives​/5384 (external link)

And a ton more here:
http://dekedotcom.blip​.tv/ (external link)


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Baadil
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Jan 13, 2011 15:23 |  #4

Hello Bio, Can you post one of the background without the characters in the image? People here can then try to blend your characters and see how it goes.


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chauncey
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Jan 13, 2011 17:57 as a reply to  @ Baadil's post |  #5

It's generally the feet that kills it...hard to root them into the surface.


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Bioshock
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Jan 13, 2011 22:38 |  #6

svarley wrote in post #11632950 (external link)
I think you're picking up a little too much white along the outline of the person, which is making it look extra pasted when you put it in a darker background.

Another issue is that the armored dude appears to be lit from the right (in your white background image) and your person is lit from the left.

I think Try 1 looks the most "natural" (LOL)

You need to warm up the light on the person in Try 2... a lot... since it's fire reflecting on his face.

Try 3 has the potential to look best I think, if you can add some shadows. It appears that the main light source is above and behind your two characters but the dude still has flash highlights on his face from the front, so again, warm that up. It might also help your second two tries if you color swap the white background for orange (without altering your selection) to help with that little white edge highlighting you're seeing.

Looks like you're having fun with it. :)

Thanks for the feedback. I definitely need to do a better job at the initial masking of characters. I keep the lighting the same for both shots but I did make the mistake of positioning myself way too close to the light source on the one side. But I agree that I didn't do a good job of keeping the light direction the same.

Whats the best way to warm the light in post production?

I guess I really need to have a better idea of what background I'm going to be using before I do the actual shots eh? :-)

René Damkot wrote in post #11633384 (external link)
Yeah. you will need to match the "reflection off the floor" match the tone of what they are standing on, and will need to "make" a shadow to avoid it looking too fake.

Nice effort though, and the combination of you and the toy is done pretty well perspective wise (and that's a lot harder then it sounds!)

If masking is the biggest problem you are facing: Here's some video's:

http://www.scottkelby.​com/blog/2009/archives​/5384 (external link)

And a ton more here:
http://dekedotcom.blip​.tv/ (external link)

Thanks for the links. They definitely help. Thanks for the feed back.

Baadil wrote in post #11634035 (external link)
Hello Bio, Can you post one of the background without the characters in the image? People here can then try to blend your characters and see how it goes.

Sure.. I've attached the backgrounds if you want to give it a go.

chauncey wrote in post #11635109 (external link)
It's generally the feet that kills it...hard to root them into the surface.

Yeah.. the feet are definitely problem. Might help to give them shadows as mentioned.


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Baadil
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Jan 14, 2011 14:39 |  #7

A quick try (with low res images)


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Bioshock
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Jan 14, 2011 14:56 |  #8

Baadil wrote in post #11641265 (external link)
A quick try (with low res images)

Awesome! How did you go about blending the light? Did you add a new color layer and then change the blending mode and/or opacity?


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buggz
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Jan 14, 2011 19:27 |  #9

use a fine smudge brush for the edges ?


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Baadil
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Jan 15, 2011 02:41 |  #10

Bioshock wrote in post #11641417 (external link)
Awesome! How did you go about blending the light? Did you add a new color layer and then change the blending mode and/or opacity?

There is a little used feature in Photoshop called "Color Matching". If you open two images (or have two layers) you can match the colors in one to the other one.

Menu Imahe -> Adjustments -> Color Match.

In that dialog, you can select which layer to match the colors with.


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Baadil
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Jan 15, 2011 02:42 |  #11

buggz wrote in post #11642788 (external link)
use a fine smudge brush for the edges ?

Images were low res and crop was pretty rough. You can do much better blending with high res images.


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Bioshock
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Jan 17, 2011 09:10 |  #12

Baadil wrote in post #11644849 (external link)
There is a little used feature in Photoshop called "Color Matching". If you open two images (or have two layers) you can match the colors in one to the other one.

Menu Imahe -> Adjustments -> Color Match.

In that dialog, you can select which layer to match the colors with.

Awesome! Thanks for the tip. I'll have to try putting it to use. Thanks for the help and sorry for the such low quality images.


Kevin: 5D Mark III, Canon 7D
Canon 70-200mm f/2.8L IS, Canon 50mm 1.4, Tamron 28-75mm 2.8, Canon 100mm 2.8L IS Sigma 10-20mm,Kenko Tubes, 430ex
My Site, (external link) Flickr (external link), Facebook Photo Page (external link), Tweet with me (external link)http://www.facebook.co​m/kmillerphotography (external link)

  
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Blending light on overlayed images help
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