Re: The CIECAM challenge in ColorSync
Re: The CIECAM challenge in ColorSync
- Subject: Re: The CIECAM challenge in ColorSync
- From: Marco Ugolini <email@hidden>
- Date: Sun, 22 Jan 2006 12:26:57 -0800
In a message dated 1/22/06 9:17 AM, email@hidden wrote:
>
> In a message dated 1/22/06 11:57:52 AM, email@hidden writes:
>
>
> My thinking too. We'll see what Peter McLeod from Adobe has to say. I don't
> pretend I understand everything about CIECAM but I think it's a positive
> development. The ICC crowd surely has some CIECAM proponents in its ranks
> but, as a whole, I suspect they have other priorities, in the short term.
>
> As I understand it, Canon presented their materials to the ICC first, and the
> ICC decided not to adopt it. So Canon shopped it around a bit, and found
> Microsoft was interested. What that means at this point is that there will be
> no open-standards method to institute the same features without tripping over
> rights that vest in Canon/Microsoft, so that, short of licensing from
> Microsoft (perhaps not a palatable idea for Apple) there is no way to
> institute a truely compatible solution for the advanced features at the OS
> level on the Mac.
>
> Other, similar, solutions would certainly be possible, but the level of cross
> compatibility currently available with ICC profiles would almost surely be
> unavailable. This would also be true of Linux, Windows 2000, and Windows XP,
> none of which would have the necessary core to deal with anything but the
> ICC-based components of the WCS materials, if that. However, its not at all
> clear how critical it is that such functions occur at the OS level, versus the
> application level, in, for example, Adobe applications. The only color
> management functions that most user-workflows currently run at the OS level is
> selection and application of the monitor profile; and that simply in an
> attempt to be as broadly compatible and non-conflicting as possible.
It's dispiriting to see how inflexible, parochial and blinkered companies
and standards bodies can prove to be. Was it truly a question of *whether*
CIECAM is going to appear in color management technologies? Was it ever less
than a matter of *when*?
Like Roger, I do not claim to understand CIECAMs deeply, but just enough to
know that they will be used at some point in the future, possibly the near
future (see the example of WCS), and will contribute a great deal to
improved results by dealing with aspects of color appearance that a simply
colorimetric model cannot cope with effectively (simultaneous contrast,
spreading, crispening, and other visual phenomena listed in chapter 6 of
Mark Fairchild's "Color Appearance Models").
Based on what I read above, Apple, the ICC, etc., seem unable to learn that
success *for everyone* in color management only comes from agreement and
standardization, and that proprietary systems set us all back.
This is all very foolish...
Regards.
--------------
Marco Ugolini
Mill Valley, CA
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