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home :: oyranos :: colour_2008.03.14.zurueck
Fri, 14 Mar 2008
Colour management annotation
I wonder why real absolute rendering, not to confuse with the ICC absolute
rendering intent, is so often
rejected in the thinking of many colour people. It is quite correct to
point to viewing conditions. But arent these secondary? The first place
are absolute ligthness and colour values, which can later be
reinterpreted. If this relation to the physical capturing gets lost, the
data is flatten out; much like a one shot flash light foto only covers a
two dimensional representation of the three and four dimensional world.
Introducing time and changing the point of view makes a real difference. I
think the same applies to colour.
Sorry for me being a bit polemic, but I cant understand that information
stripping, or better omiting, is the only valid way to create good
photos.
Ok there are different paths open and the current one is shurely selected
with reasoning by the ICC. Nethertheless people who like to ask questions
to colour management systems run often in a difficulty to find inherent
answeres. This can be seen as a flaw as it deprives cognition.
A simple example is: "I have calibrated my monitor, but when I measure
Lab values from a colour patch on screen, they are not the same as the
program says. Even though the measuring device is the same as for creating
the profile."
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