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Re: Photoshop Lab Color: Ch. 2
David has been sparing us the details of the second 1/2 of chapter 3 because they aren't really about color correction, rather about the relevance of LAB to the way people actually see. Dan describes a study of people with red-green color blindness. Turns out they don't see adjustments in the A curve. So perhaps red-green… -
Re: Photoshop Lab Color: Ch. 2
OK Just to add some to this discussion, and you are both right and wrong First of, in LAB, on the most basic level there are 3 channels L,a,b, each channel can have 256 values, no matter what the interface calls them. i.e. the interface, to accomodate us uses 0-100 for L, and (127) - 128 for a and b, but the calculation…
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