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Help… Worst Color Corruption

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  #1  
Old 04-15-2010, 11:31 PM
Richard6911 Richard6911 is offline
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Newbie Help… Worst Color Corruption

I’m being held hostage by the worst color corruption problem I’ve ever encountered. I can’t call Chris Tarentino – because he’d give me some mathematical formula I’d never understand. I can’t call Amy Dresser – because she’d advise me, “Try about 100 lassos and color curves.”
So I’m desperate for you guys! This picture is a retouch for a business professional who had some yokel in Texas do his portrait. It has the strangest yellow cast on one side of the picture that has resisted everything I’ve tried.
How in the world can I free myself and complete this job?!!
Help me please!
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File Type: jpg Eli Bio Face ReT.jpg (48.3 KB, 126 views)
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  #2  
Old 04-16-2010, 12:09 AM
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Nasturtium Nasturtium is offline
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Re: Help… Worst Color Corruption

Of the things I tried a channel mixer adjustment layer seemed to work the best. I'm sure there are others ways to accomplish it.

I chose 'yellow' from Select>Color range to make a mask and then messed with the red and green channels in the channel mixer.

HTH

Nancy
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File Type: jpg channelmixerscreengrabtofixcaste.jpg (100.0 KB, 75 views)
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  #3  
Old 04-16-2010, 01:36 AM
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0lBaldy 0lBaldy is offline
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Re: Help… Worst Color Corruption

I wanted to try replacing color using curves

A Real quick try

Did a levels on face using White, Gray, Black points
Curves using RGB Input (bad Color) / output (good skin color)
Hue/Saturation Adjusted Reds and magentas
Levels
Painted skin color on a new color mode layer over persistent yellow/green spots (Used good hair color in the hair)
Sharpened Irises and shirt patch on a copied masked layer

Into LAB and Lowered the Lightness just a bit
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  #4  
Old 04-16-2010, 01:45 AM
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amica999 amica999 is offline
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Re: Help… Worst Color Corruption

Nice result, Nancy. I'd approach this with color correcting by numbers:

take color samples (5x5) from a lighter shadow area and one from the casted area. Lasso mit feather around 70px, open a curves and toggle a center point for each channel and adjust input/output values. For example Blue Input 83 - Output 117 apint with low opacity white brush if not all is covered.
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Old 04-16-2010, 06:00 AM
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Panpan Panpan is offline
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Re: Help… Worst Color Corruption

I flipped the good half-face, adjusted it over the tungsten-lit half with Transform and Liquify and set the blend mode to Color.

The sweater was surprisingly trickier. The underweave is purplish while the top weave is faded to a more cyanish shade of blue. So Match Color did not work well. I could have set up a gradient map, but I just shifted Hue a little and did it again for the edge. Luckily, only a small area was affected.
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  #6  
Old 04-16-2010, 07:15 AM
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philbach philbach is offline
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Re: Help… Worst Color Corruption

Well I didn't do anything exotic. I used a new layer with color blending mode and painted the left side of his face.

I also used a selective color adjustment layer and removed some yellow
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File Type: jpg Portrait.jpg (145.8 KB, 52 views)
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  #7  
Old 04-16-2010, 01:46 PM
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Britsdad Britsdad is offline
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Re: Help… Worst Color Corruption

Hiya Richard6911

I too did nothing exotic, all I did was add a selective colour adjustment layer, toned down the yellows, inverted the mask and then painted white over the effected area on the mask with a large soft brush, set at 10% flow, until all the yellow cast was gone.

Regards....John
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File Type: jpg Eli.jpg (94.9 KB, 29 views)
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  #8  
Old 04-16-2010, 02:01 PM
Wolfman Wolfman is offline
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Re: Help… Worst Color Corruption

Quote:
Originally Posted by Richard6911 View Post
I’m being held hostage by the worst color corruption problem I’ve ever encountered. I can’t call Chris Tarentino – because he’d give me some mathematical formula I’d never understand. I can’t call Amy Dresser – because she’d advise me, “Try about 100 lassos and color curves.”
So I’m desperate for you guys! This picture is a retouch for a business professional who had some yokel in Texas do his portrait. It has the strangest yellow cast on one side of the picture that has resisted everything I’ve tried.
How in the world can I free myself and complete this job?!!
Help me please!

Kept it simple..... tried to keep original natural color on the good part and just used the brush tool set to color and sampled the good skin color and painted over the bad part... same with hair..... did it fast, so missed some hair
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File Type: jpg Eli-Bio-Face-ReT.jpg (59.0 KB, 25 views)
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  #9  
Old 04-16-2010, 02:39 PM
lynn55 lynn55 is offline
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Re: Help… Worst Color Corruption

I used a selective color adjustment layer and Colors: Yellow and Red
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  #10  
Old 04-16-2010, 02:57 PM
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csuebele csuebele is offline
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Re: Help… Worst Color Corruption

thing like this, I like to use selective color. I go into the pixel level and select the pixels that are just way out then use the feathering to expand or contract the selection. If you select the pixels that you know are not even close to skin tones, you can really improve the color. Usually you come across deep magenta or magenta/blue, also the yellow/green combo. Then you can use hue/sat or curves or whatevery adj you want. I could have done a bit more this this as there is still a bit of yellow across the forehead and in the beard, but it's pretty easy.
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File Type: jpg color-range.jpg (86.0 KB, 26 views)
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