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Overexposure fix

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Re: Overexposure fix

Postby pam » Fri Feb 01, 2008 5:21 pm

Hi all, thanks so much for all the suggestions, I have tried exhaustively to better these pics using these methods and I'm still not pleased, the blown highlights are just too fargone, so I have dicided to change them to B&W and they look much better lol.I didnt want to beacause her eyes are way too pretty to cover with B&W but she likes them, so I'm happy!

Gooder, I like the idea of shooting in both RAW & Jpeg I will definately keep that in mind for future.

Thanks again everyone!
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Re: Overexposure fix

Postby Gooder » Sat Feb 02, 2008 3:21 am

Glad to help, Pam! :)
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Re: Overexposure fix

Postby ScrugneysGundogs » Sat Feb 02, 2008 5:33 am

Since my last attempt was a flop and this is a common problem with digital photos, I read a few tutorials and gave it another try. I came across a neat technique of using a threshold layer to make a layer mask. That alone was worth the search. :)

Image Image Image

ORIGINAL-------------------------------------CURVES ADJUSTMENT--------------------------NEW TECHNIQUE

There are a bunch of steps involved, and I SAVEd the picture before I wrote this up, so the HISTORY got deleted and I had to do this from memory. I think I remembered most of the steps. There may have been another levels adjustment somewhere in there?! Also, most of the tutorials were for Photoshop - not Elements - so the threshold step in particular is adapted for elements.

layer>new adjustment layer>threshold (Threshold Level: 225)
magic wand (tolerence 0) select all the white parts of the faces
select>save selection (name: faces)
delete the threshold layer
load selection (name: faces)
layer>new layer via copy
enhance>adjust lighting>levels (input levels: 62 1.00 255)
layer>new fill layer (group with previous layer) (color: #ffd1c1)(opacity 35%) note: the color was picked with the eye dropper from the faces.
flatten image
enhance>adjust lighting>levels (input levels: 6 .90 255)
enhance>unsharp mask (amount: 200% radius 0.3 threshold 0)
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Re: Overexposure fix

Postby Gooder » Sat Feb 02, 2008 7:08 am

Very nice, indeed! :)

Cheers,
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Re: Overexposure fix

Postby Chuck Engels » Sat Feb 02, 2008 11:16 am

I agree, that looks excellent :)

Even the jacket and hair are impressive, very nice and a great find.
Can you post a link to the tutorial?
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Re: Overexposure fix

Postby Bob D » Sat Feb 02, 2008 11:21 am

Very impressive results. I think it looks great, but I'll let Pam be the final judge on that.
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Re: Overexposure fix

Postby Gooder » Sat Feb 02, 2008 12:50 pm

ScrugneysGundogs wrote:Since my last attempt was a flop and this is a common problem with digital photos, I read a few tutorials and gave it another try. I came across a neat technique of using a threshold layer to make a layer mask. That alone was worth the search. :))


Your last attempt was not a flop and it was nice to see a very good contribution :)
I had no problem with you or your idea :)

I just thought it was not helping matters by the moderators just adding "I agree with the original photo etc".

That was an interesting technique, and thanks again! :)
I think Pam went for the B&W idea which does solve the over exposure problem to some extent!
She also took some good advice on using RAW & JPEG formats!

Thanks
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Re: Overexposure fix

Postby Bob » Sat Feb 02, 2008 1:47 pm

You can simplify that a tad.

After the step where you delete the threshold layer, you should still have the selection active -- if not load the faces selection.
Then, layer>new fill layer>solid color... You'll get the dialog box: set opacity to 35% and you don't need to group with previous layer.
The color picker will come up after you click ok, use the eyedropper to select the color or use Gundog's value.

That's it. follow with the last two steps in Gundog's procedure (levels, sharpen)

How it works: The solid color layer will be created with a layer mask attached to it. When you created the layer with the selection active, the mask was set according to the selection so you only see the portion of the solid color layer that the mask allows.

You can refine the mask, if desired. I find threshold is rather harsh as it creates only black and white pixels -- no antialiasing. That can make the edges of the fill abrupt and noticeable. To correct that, in the layers palette, make the solid fill layer the active layer and click on the thumbnail of the mask so that you will be affecting the mask and not the image. Now you can apply the filter>blur>gaussian blur... effect and soften the mask. If you find the selection didn't quite cover the area you needed, you can further refine the mask to include those areas. Select a soft edged brush and set it to a low opacity (try 25% to start, adjust to taste). Set the foreground color to white and draw where you want the color added. Use multiple strokes if necessary to adjust as needed to match with the surrounded area. If you went too far, switch the foreground color to black and paint over the area you want to remove.

The threshold layer is just a shortcut to locate the blown out pixels. If you want, you could create a solid layer without a selection, invert the default white mask to black, and then paint on the mask using white manually. The choice is yours. Also, you can tweak the opacity of the solid fill layer, the 35% mentioned before isn't a magic number. Adjust as needed.
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Re: Overexposure fix

Postby Gooder » Sat Feb 02, 2008 2:05 pm

Interesting :)

Cheers,
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Re: Overexposure fix

Postby Chuck Engels » Sat Feb 02, 2008 2:45 pm

Glad you popped in Bob, great additional tips :)

I would also like to see what Barb has to say about this and what she does to fix over/under exposure.
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Re: Overexposure fix

Postby ScrugneysGundogs » Sat Feb 02, 2008 2:50 pm

Chuck Engels wrote:Can you post a link to the tutorial?


It wasn't just one tutorial, I read a bunch of them. I got the list when I Googled "blown highlights tutorial". This one was one of the best...
http://www.adidap.com/index.php/2008/01/03/photoshop-tutorial-fix-blown-skin-highlights/
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Re: Overexposure fix

Postby RJ Johnston » Sun Feb 03, 2008 12:47 am

Instead of flattening the image, create a new top layer. First make sure the top layer is selected. Next hold down the ALT key while you select "Merge Visible." That creates a new layer that is a composite of the visible layers. That way you don't destroy the work below. I was sure happy when I found out that trick. And instead of deleting that threshold layer, just make it invisible.
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Re: Overexposure fix

Postby ScrugneysGundogs » Sun Feb 03, 2008 2:44 pm

Wow RJ, that is a great tip! I thought it was strange to have 2 options that did the same thing - so that's the difference.
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Re: Overexposure fix

Postby Bob » Sun Feb 03, 2008 4:25 pm

It's good to get to know the keyboard shortcuts.

Merge down: ctrl+e
Merge visable: ctrl+shift+e
Stamp visable: ctrl+shift+alt+e

Merge down merges the currently selected layer with the immediately following lower layer (which must be visable) replacing the two layers.
Merge visable merges all visable layers into a single layer. Similar to flatten but keeps any hidden layers.
Stamp visable merges all visable layers into the currently selected layer replacing it but leaving the others intact.

Normally, you will want to stamp visable onto a new empty layer. Here's a bonus shortcut: ctrl+shift+alt+n+e
as soon as you press ctrl+shift+alt+n, a new layer is created, don't release the keys and press the e. The stamp visable will be done using the new layer as the target.
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Re: Overexposure fix

Postby Barb O » Sun Feb 03, 2008 6:48 pm

If you are still looking for additional ideas,
my suggestion is to post your photo with your question over on the forums at elementsuser.com.

When people over there ask video questions, I often refer them over here. However for this photo my judgement is that their forums are the best choice. They are equivalent to muvipix for knowledge and for helpfulness. Their forums are now hosted at
http://www.elementsvillage.com/forums/
and I suggest posting in the Advanced Elements subforum because this photo fits the "advice and answers on those particularly challenging issues". Do be sure to include in your post which version of PS Elements and if you wish a short description of what has already been attempted.
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