I vaguely remember your last effort but for sure I grabbed it this time.
Works great to my eye.
As long as we're looking at "birds" these days I'll offer the following two
images as an example of how fast PS (using your recommended eyedropper
adjustments in curves) can correct at least that image manually. Including
the initial CMYK adjustments themselves this adjustment took me all of
about . . . three minutes?
First image is the original PWP bird test image with the green cast, etc:
http://www.tristanjohn.com/casualfilespark/PSbird.jpg
Second image is the corrected version using the new CMYK eyedropper
settings in PS:
http://www.tristanjohn.com/casualfilespark/PWPbird.jpg
I don't know, but as usual the "Chris and the egg" factor seems to be at
work with re to all things Photoshop (i.e., once you know what to do it
works pretty damned good).
Tris
At 05:48 PM 2/6/2004 -0800, you wrote:
>I posted a step by step here a long while ago. It was stolen from the
>book, "PhotoShop 6: Photo Retouching Secrets," by Scott Kelby (but at
>least I attributed it! :-) ). Here it is again.
>
>Use Image > Adjust > Curves
>
>The first time you use it:
>
>1. Double-click the black eyedropper in the dialog and set C:75, M:63,
>Y:62, K:100
>2. Double-click the gray eyedropper in the dialog and set C:50, M:40,
>Y:40, K:10
>3. Double-click the white eyedropper in the dialog and set C:5, M:3,
>Y:3, K:0
>
>This sets a good "base-point" for CMYK reproduction of photos. You might
>want to experiment with these settings for other reproduction methods,
>In my experience it's only usually the white that has a very slight
>noticeable cast to it with these settings.
>
>Then:
>
>4. Click the white eyedropper and select something that should be "pure
>white" in your image.
>5. Click the black eyedropper and select something that should be pure
>black in your image.
>
>I've found that that handles the vast majority of photos. If things
>*still* don't look right, then:
>
>6. Click the gray eyedropper and select something that should be "middle
>gray" in your image (i.e. 18% gray).
>
>For the second and subsequent times you use it, you only have to perform
>steps 4-6 after selecting Image > Adjust > Curves. PhotoShop will
>remember your custom color settings.
>
>While the other "quick" methods do a pretty decent job on lots of
>pictures, this one gives you a lot more control, and only takes a few
>seconds after you've got it set up. It's far easier than trying to drag
>the Curves adjustment curve around. It should also put you almost dead
>on the money if you're image is destined for printed media like a
>magazine or a book, and I've had very good results with it on my Canon
>printer as well.
>
>---
>Scott Gomez
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