[Openicc] review of new wide gamut editing space

[Chris Lilley]

On Wednesday, March 21, 2012, 6:05:22 PM, Kai-Uwe wrote:

KUB> Am 21.03.12, 17:56 +0100 schrieb Jan-Peter Homann:
>> Hello to all,
>> Working with wide Gamut Images makes oonly sense with 16 Bit data.

KUB> We need as well a intermediate space for handing off 8-bit data. That is
KUB> already used in per window colour correction inside e.g. ICC Examin.

If the data is limited to 8 bits per component then sRGB seems like the obvious choice.

>> In this case the question of Gamma 1,8 2,2 sRGB or L* is not problem. 
>> ProPhoto RGB standardized through ISO and Thousand users of Adobe Photoshop 
>> and Lightroom working with is successfully as an intermediate step between 
>> vendor specific RAW and outputspaces like e.g. sRGB.

KUB> They can. But we can not redistribute ProPhoto RGB due to the old ICC 
KUB> license. That is a known issue. I mentioned it the day before you arrived
KUB> to ICC in Munich.

>> I don´t see the need that the Open Source Community would need an extra wide 
>> gamut space.

KUB> The need for a 8-bit space and a profile licensed after the ICC v2 license
KUB> made this call.

The profile you posted seems very unsuited to 8-bit data, however.

-- 
 Chris Lilley   Technical Director, Interaction Domain                 
 W3C Graphics Activity Lead, Fonts Activity Lead
 Co-Chair, W3C Hypertext CG
 Member, CSS, WebFonts, SVG Working Groups