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: Louis Dery <email@hidden>
- Date: Fri, 13 Jul 2007 19:23:03 -0400
Hi Eric,
I agree with what you’ve mentioned about what users want from their
camera.
Take a look at our demo page where we demonstrate a before and after
camera profiling for end users.
http://www.perfxshots.com/Samples.html
For the ones who want better picture for a starting point or simply
good results without custom color correction.
Louis.
On Jul 13, 2007, at 5:31 PM, email@hidden wrote:
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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