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HCEALPHCEALP
Currently Being Moderated

Patchy skin tone desaturation?

Jun 12, 2013 5:46 PM

Tags: #color #raw #windows #cs6 #extended

I've been using CS6 for 1 year, and suddenly have some desaturated skin tones in a few photos, it looks like the skin is painted with grey paint!

I first saw this in a couple of JPG conversions, the RAW NEFs from a Nikon D800 were ok, but now have found the same thing in some NEFs. 

I am using an HP laptop with Win 7 64 bit and 8gig memory.

If I advance the Sat and Vib sliders in ACR, some of the grey becomes colored, suggesting there is a threshold below which the skintone saturation drops out completely.

No other colors exhibit this effect!

Any ideas?

 

Thanks,  -Jay-

 
Replies
  • Currently Being Moderated
    Jun 13, 2013 1:45 AM   in reply to HCEALPHCEALP

    Could you please post a screenshot with the pertinent Panels visible?

    And to make sure: View > Gamut Warning is off?

     
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  • Currently Being Moderated
    Jun 13, 2013 2:19 AM   in reply to HCEALPHCEALP

    Have you just profiled your display?

     
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  • Trevor Dennis
    5,972 posts
    May 24, 2010
    Currently Being Moderated
    Jun 13, 2013 4:34 AM   in reply to HCEALPHCEALP

    Sorry, I have no answers for you, but I have got to say that is a stand out glitch.   Can you tie it down at all?  Try the same files on a different RAW conversion program for instance?  When was your graphics card driver last updated, and could that have happened as an automatic process?   Yep.  That is one heck of a glitch.

     
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  • Pierre Courtejoie
    7,052 posts
    Jan 11, 2006
    Currently Being Moderated
    Jun 13, 2013 4:58 AM   in reply to Trevor Dennis

    Hello!

    Could you elaborate on how the images got converted to JPEG.What are the post processing steps. What is the profile and bit depth of the images? ( we can see how ACR is set, but it does not tell us what the images are)

     
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  • Currently Being Moderated
    Jun 13, 2013 5:01 AM   in reply to HCEALPHCEALP

    It might be a dodgy display profile, or even a display driver bug.

     
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  • Currently Being Moderated
    Jun 13, 2013 5:04 AM   in reply to Yammer

    Do you know if turning off »Use Graphics Processor« in Photoshop’s Performance Preferences would have an influence on ACR?

    That’s usually good for verifying GPU driver issues in Photoshop itself.

     
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  • Pierre Courtejoie
    7,052 posts
    Jan 11, 2006
    Currently Being Moderated
    Jun 16, 2013 6:30 AM   in reply to HCEALPHCEALP

    So, the jpeg is bad on your system, but correct here? Is it the case in the files explorer? That would point to a color management problem.

     
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  • Currently Being Moderated
    Jul 11, 2013 7:50 AM   in reply to HCEALPHCEALP

    Good of you to let us know.

     
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  • Trevor Dennis
    5,972 posts
    May 24, 2010
    Currently Being Moderated
    Jul 11, 2013 8:13 AM   in reply to HCEALPHCEALP

    Damn!  The clues were there as well.  An exagerated edge effect on skin tones.  We won't be forgetting it now, so thanks for coming back to tell us.

     
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