Color Correcting Different Parts of an Image Differently

Newbie question, I know. If possible, just point me to the proper term for this and I'll figure it out from there.
Talking head interview. Guy's sitting in a chair slightly left of frame center; further left is a dark brown wall; to the right is a large window with white semi-opaque curtains. Cameraman is asleep or brain-dead. The image is completely washed out on the right, where the window is; the right side of his face is acceptably lit by the light from the window; the left side of his face is in near total shadow. Imagine my displeasure.
If I adjust the black level to about zero and the white level to about 90%, I get a nice green check mark in my excess luma indicator. The white window looks fine. But dude is even darker than he was before. What I need is a way to keep the right side of the image (the window) looking good and ALSO lighten up the left and center (the left side of his face and his dark suit (what color I can't even tell, it's so dark).
Is there a way to do this? Not so concerned about colors per se; more about dark and light. The limit effect doesn't seem to be what I want.
Thanks.
Giraut

Thanks, Randy. That's ingenious, but it doesn't seem to work very well, since the finished image looks like Frankenstein's monster, with half the guy's face looking one way and the other half another way. But ingenious.
I don't mind using the limit effect if that is the best way to deal with my little problem. Just trying to get a consensus on what to do, after I put a contract out on this shooter.
Thanks.
Giraut

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Hi brookehelene,
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cariocastyle wrote:
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[Image publication]Thunderbolt Display!Color is different only lower right

Color is different only lower right
Please tell me
Thanks in advance.
I can understand a little English.

Today!
returned goods unsold.

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Very strange indead.
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You need to determine how your apps deal with tagged and untagged images, especially what Default profile they apply-assume-assign when the profile is absent, stripped and/or ignored.
If a thumbnail in OSX Finder shows the problem, that is a big clue because Finder thumbnails are not color managed (Finder is assuming Monitor RGB).
I recommend going here
www.gballard.net/photoshop/pdi_download/
and downloading the iPhotoTESTfolder.zip
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First, look at the image icons in finder (they are all over the place).
Next, drag the download folder into Bridge and observe the thumbnail colors (Bridge assumes sRGB on untagged images)...
+++++++
If your problem apps are displaying color the same as image icons in Finder, then either your app is not colormanaged or the file does not contain an embedded profile.
+++++++
PS:
OSX Safari is a great app for testing JPEG files because it will either read an embedded profile or it will apply the default monitor profile (exactly where I am pointing you to) -- just drag your icon into an open Safari window...

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