[Openicc] Open Source compatible AdobeRGB profile

Kai-Uwe Behrmann ku.b at gmx.de
Fri Jul 7 09:27:14 PDT 2006


Ann,

I have not much experience/support for v4 currently. I would start with v2 
and orient on the hex values as described in the specification:
http://www.adobe.com/digitalimag/pdfs/AdobeRGB1998.pdf

Thanks as well for the hints in your other email.

regards
Kai-Uwe Behrmann
                                + development for color management 
                                + imaging / panoramas
                                + email: ku.b at gmx.de
                                + http://www.behrmann.name


Am 07.07.06, 11:58 -0400 schrieb almccart at lexmark.com:

> Kai-Uwe,
> 
> When you or Graeme builds the compatibleWithAdobeRGB.icc profile, I suggest testing
> it with lots of images to compare it to the Adobe profile.  It is OK to 
> build it to get matching results.
> However, note that the currently widespread AdobeRGB 1998 profile is a 
> version 2 profile.  The 
> version 4 profile is still on the drawing board. So it might be worthwhile 
> to coordinate with folks in the 
> ICC who are planning to build the Version 4.  Version 2 color space 
> profiles had only one color
> conversion path. Version 4 color space profiles have the multiple color 
> conversion paths like 
> printer profiles and scanner profiles.
> 
> Best regards,
> Ann McCarthy
> Lexmark CPD
> Imaging Systems Engineering
> 
> "To every complex problem there is a simple solution - and inevitably it 
> is wrong"   HL Mencken
> 
> 
> 
> 
> Kai-Uwe Behrmann <ku.b at gmx.de>
> Sent by: openicc-bounces at lists.freedesktop.org
> 07/07/2006 08:20 AM
> 
>  
>         To:     Hubert Figuiere <hfiguiere at teaser.fr>
>         cc:     Caulier Gilles <caulier.gilles at kdemail.net>, OpenICC Liste 
> <openicc at lists.freedesktop.org>, Patrice Lagrange <lagrange at adobe.com>
>         Subject:        Re: [Openicc] Open Source compatible AdobeRGB profile
> 
> 
> Am 07.07.06, 08:00 -0400 schrieb Hubert Figuiere:
> 
> > > see: http://www.adobe.com/adobergb
> > > 
> > > As "compatible with Adobe RGB (1998).icc" is a bit unconventional for 
> a 
> > > file name I would like to name the profile compatibleWithAdobeRGB.icc 
> . 
> > > This is better recognizable and not limited to EXIF.
> > > 
> > > Gilles and others,
> > > would you take advantage of that profile? I like to packaged it
> > > into the Oyranos' profiles collection. Location is 
> /usr/share/color/icc 
> > > on linux.
> > > 
> > > License can be free.
> > 
> > Sorry to be picky, but the URL above point to the license I described
> > previously that are not compatible with Open Source software.
> > 
> > Back to square 1.
> > 
> 
> So you did not get the point. What I suggest is to create a own profile,
> compatibleWithAdobeRGB.icc, from the above by Adobe published spec. If 
> Graeme is more quick, than take these. compatibleWithAdobeRGB.icc will be
> includeed in the Oyranos profile collection package to make it available 
> at /usr/share/color/icc on linux systems.
> 
> compatibleWithAdobeRGB.icc profile should indeed be free and will NOT 
> follow the Adobe license model. It is NOT ideentical with "Adobe RGB 
> (1998).icc".
> 
> Hope this helps clearing.
> 
> As long as distributions have problems with Adobe license, this would be a 
> 
> workaround.
> 
> regards
> Kai-Uwe Behrmann
>                                 + development for color management 
>                                 + imaging / panoramas
>                                 + email: ku.b at gmx.de
>                                 + http://www.behrmann.name


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