In my last Play Raw post I intimated that I tended to post more difficult images, or at least images that I found difficult.
I was revisiting some images from my old Nikon D7200 using the latest version of DT 3.09. Colour calibration seems to have problems with this particular one. Looking at other photos, it would seem that this is not an uncommon problem. Hint: the crag should not be green. _DSC1988.xmp (6.6 KB) _DSC1988.nef (29.2 MB)
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Interesting one. You need to find a balance between the colour of the rocks and the skin colour. You very easily end up with one being either too green or too red.
AFAIKT the entire scene is indirectly lit, some combination of sky and reflected light, which makes post-priori determination of white balance challenging without a white reference in the scene. I tried a patch from the loop on his belt, but I got more satisfaction just dialing up the as-shot R channel until the rocks overall looked a little more neutral:
A very quick try in GIMP. I created a duplicate layer, selected everything except the climber, totally blurred the layer, so that I could sample the average colour with the colour picker. The sampled colour I put in a new layer over the original image, inverted the colour and put the layer in overlay mode.
