This a quick and easy fix for severe colorshifts that effect the entire image evenly. Photoshop 7 [details]
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Quick Fix for Severe Colorcast
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In Photoshop, click on the eyedropper tool. Then in the eyedropper toolbar above your canvas, a dropdown appears saying Point Sample. Change it to 5x5 Average, which essentially makes a broader sample area.
ScottAttached Files
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Another way to do this is to duplicate the original, Run Blur->Average on the dupe. This will essentially give you the average color of the cast. Invert and set that layer blend mode to overlay.
This method gives a better assessment of the color cast by averaging the entire image rather than just a 5x5 pixel area.
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Here's another approach albeit for a mild color cast. [URL=http://www.lunacore.com/photoshop/tutorials/tut005.htm] An approach I often use is one I picked up at myjanee.com (but for some reason I can't seem to look up her tutorial page tonight). It is also very simple. Use the Threshold command to determine the whitest spot on the image. Alternately you could just decide what you wanted to turn white eg. a white shirt, a cloud, etc. Use a color sampler marker to mark the whitest spot then cancel threshold. Use your eyedropper tool to sample the color at that point, create a new layer, fill the layer with the color, invert it and set to Color Dodge. This will turn everything the sampled color to white.
Sincerely Syd
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Doug vrs Swampy
Well I Downloaded Restoration Challange #85 which has a severe color cast and used Doug's Method on the left and Swampy's Method on the right. No other corrections were made to the file. Using Doug's technique, I sampled the baby's right sleeve which I presumed was white.Attached Files
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Phil
Your sample appears to be more color fading or staining (after the fact) than a true digital color cast that occurs when the shot it taken.
Below is a before and after that removed the blue color cast using my Blur->Average technique.
There are obviously other color and curves remaining to do on my "After" shot, but the blur technique did a pretty decent job of getting the cast out.Attached Files
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by beichh4046This may be a silly question but I have set my sampling points for black and white. I did my adjustments on the curve. Now, that I am done how do I get rid of the two points that are still visible on my image so I can do the rest of my work.
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Channel: Photo Retouching
09-12-2008, 09:44 PM -
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by quimI've noticed that the magic wand tolerance works together with the eyedropper or color sampler sample size.
My preferences for the eye dropper/color sample tolerance is usually around
11 x 11 pixels.
However with these settings the magic wand tool set to tolerance 1 will...-
Channel: Software
05-31-2012, 04:27 AM -
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by doosumeIf I want to use my source point over and over again - how do I do this? Whenever I try to do this it either starts to replicate the edges or picks up color... What am I doing wrong?
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Channel: Photo Restoration
05-10-2004, 06:13 PM -
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by anon_unoHi ,
I have another How To question again.
This time, it's on How to create a Graduate Color filter effect in Photoshop or similar software.
Example on a Graduate Tobacco filter
Thank you in advance once again.
Best regards,-
Channel: Photo Restoration
04-25-2002, 09:15 PM -
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by Jeff LA down and dirty way to correct unwanted color cast using one adjustment layer in Photoshop 7 [details]
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Channel: RP Tutorials
10-27-2003, 10:01 PM -
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