Date: Fri, 21 Mar 2003 09:44:28 +0000 From: Mike Sheil Subject: [PRODIG] Wedding photos
Ah woe is me! All daylight shots are perfect with delicate salmon pink
dresses but wherever flash becoms a major part of the light source, they go
a wierd orange. Have checked all the files and there is no other untoward
colour shift so clearly I have suffered what I think is called
"photo-fluoresence".
As my background is a rather purist photo-journalistic am not sure I approve
of all these cosmetic propaganda fixes so have never learnt them but faced
with potential family feud need to abandon my principles and ask for help.
Please, can somebody please advise me how I can selectively transfer the
correct colour from one picture to another.
This is dangerous territory Mike - leave it to the wedding pros! I keep telling myself never again whenever I am asked to photograph someone's wedding. The fact that nobody ever bothers to order any prints, probably says it all. The last one I did was for some friends of my mother - she ended up bearing the brunt of abuse from the groom's mother. I thought I had done an OK job, but I learnt that the idea is not to concentrate on photographing whoever looks cute. Apparently the ugly people like to have their pictures taken as well. And they are the ones who mainly order prints. Actually, my bank manager asked me yesterday if I could photograph his wedding. I respectfully declined - I know my limits!
But on to your Photoshop question... Have you considered using the grey balancing tool in curves? Prompted by your question, I opened a couple of images and sampled the colour from one image to apply use as the target colour to apply in the other.
Open two of your pictures and arrange so that both document windows show the dress that you want to colour match. Add a curves adjustment layer and double-click the grey balancing eyedropper to open the colour picker. Use the eyedropper to sample the colour from the dress in the other image and click OK to close the colour picker. Now click in the active image with the gray balancing eyedropper (which is now a tool to apply a target colour instead of grey) to target the dress to the same colour. You may then want to change the blending mode to Color perhaps, to preserve the luminosity and hue values of the image.
I don't know how well this would work in your case. I suspect that the colour shifts of the dress under different lighting might as you say, be quite significant. But if you apply this technique as an adjustment layer, then you can at least selectively apply as a mask.
Martin
Martin Evening Photography <www.martinevening.com> Co-listowner ProDIG discussion list <http://www.prodig.org>
Author of Adobe Photoshop 7.0 for Photographers <www.photoshopforphotographers.com>
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