Re: Microsoft's color-management claims
Re: Microsoft's color-management claims
- Subject: Re: Microsoft's color-management claims
- From: Marco Ugolini <email@hidden>
- Date: Wed, 21 Sep 2005 22:57:19 -0700
In a message dated Wed, 21 Sep 2005 10:51:56, Tim Vitale wrote:
> The way I see the infromation presened in the MS White Paper on WCS
> (p11), the PCS looks to be CIEXYZ, rather than CIELab. Based on the
> work of Bruce Lindbloom, describing the problems of the non-linearity of
> the Lab color space, the exclusive use of XYZ as the PCS, could be a
> step forward. However, I don't know the problems of the XYZ color space.
>From what I understand, it would make sense that the values used in WCS
would be XYZ, which then could be made to undergo a chromatic adaptation
according to the chosen illuminant in each particular situation.
By the way, here comes my turn for "stupid question time": why can't ICC
profiles work from XYZ values instead of CIELAB, as they do now?
--------------
Marco Ugolini
Mill Valley, CA
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