Re: Accurate color from the camera - who wants it!
Re: Accurate color from the camera - who wants it!
- Subject: Re: Accurate color from the camera - who wants it!
- From: email@hidden
- Date: Fri, 13 Jul 2007 17:31:25 EDT
Karl pretty much has it right in his Technical Paper and should be commended
on a great job explaining a complex subject in terms practitioners can easily
understand.
With respect to "Most users say they want accurate color (not pleasing color)
when of course
they don't" is true for most users and even many RAW shooters. But it really
depends what users and what you mean by accurate color.
Many (not all) RAW shooters shoot RAW because they want complete creative
control, among other reasons. Not usually because they want to deliver an
accurate rendition of the scene to the client. Rather they may want accurate color
merely as a starting point as an input to their manual rendering-to-output
process where they add value by imparting their individual aesthetic or adjustments
for their client preferences.
Karl's article also talks about scene-referred in the context of colorimetry.
Accurate scene-colorimetry can be useful as an input to the rendering process
but is generally pretty far away from what the ultimate consumer of the image
expects. But in his sidebar "Perception", Karl implies a much better
definition of accurate color, one that accounts for perception (appearance) effects.
In my experience, starting with a scene-referred image where accurate color
means doing a reasonable job of getting the scene appearance correct, this is a
much better starting point and quite a bit closer to what the image consumer
expects. In either case, accurate color is just the input to the rendering
process, not the output.
So accurate color (however you define it) has its place, but in photography
its generally more on the input side and less on the output side.
Thanks,
Eric Walowit
Tahoe
<<Most users say they want accurate color (not pleasing color) when of course
they don't. So Karl's paper, and the off-white, semi-tech paper I referred
to from the ICC are important so that end users understand what it is they
are asking for correctly.
That's what upsets me most about many of the current color management ads.
They all say, "Buy this product and get accurate color" which is BS. Its the
modern marketing slant on "push button color" that caused so many problems
when color management was very young. Its the wrong message because its a
big fat lie.>>
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