Screw You Pete.
Krank wrote:
Jerry, thanks for the feedback. I agree that curves is a more useful tool than levels. I use it myself far more than I use levels. I suggested it here because I thought it would be easier to manage for someone new to color correction.
Correct...that was my thinking too for sugesting the curves eyedroppers. They do virtually the same thing.
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Similar reason for setting white point in a catchlight. If its pure white, this has no effect at all. If there's a color cast, it gets balanced. Setting white point in an area with tone will bring that area to pure white, possibly reducing hilight detail.
I chose a white point that was very slightly casted toward red to help eliminate the cast. I never set the highlight eyedropper tool to be pure white so it can not blow out detail and if used properly will actually increase highlight detail or pave the way for other methods to increase highlihgt detail. I often use a setting of 245, 245, 245 which is even more conservative than the setting I recommended earlier.
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The gray eyedropper is the tough one. I had to go back and make sure eyedropper in the tools palette was set to 5x5 in order to get an accurate color sample. I also should have suggested sampling for grey in the light areas of the wallpaper. I got a much better result when I did this. Again, not how I usually do it but manageable for someone starting out Great advice on the threshhold tool, helps to maintain shadow detail. Again, thanks to you and thanks to Volkswes for giving me some new (to me) ideas.
I agree that the gray eyedropper tool is a great way to make a quick correction especially for a beginner but it is very difficult to determine what should be gray on this kind of image. By switching to the Lab colorspace I could tell instantly what was supposed to be gray by manipulating the a and b channals. I often work in all colorspaces when correcting problematic images. Each colorspace offers very distinct advantages over the others. Here is a little food for thought. Every image has ten channals and the best way to correct any image is to use the image itself.
Cheers,
Jerry