[argyllcms] Re: Fw: Re: Correction for wide gamut screens and/or RGB-LED?

  • From: Roger Breton <graxx@xxxxxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Fri, 27 Aug 2010 18:45:36 -0400

I think the German Fogra document means "under imperfect adaptation". 
Are they referring to the "imperfect adaptation of the obverver"? When
observing the display?

MfG / Roger

> -----Original Message-----
> From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-
> bounce@xxxxxxxxxxxxx] On Behalf Of Juergen Lilien
> Sent: 27 août 2010 18:34
> To: argyllcms@xxxxxxxxxxxxx
> Subject: [argyllcms] Fw: Re: Correction for wide gamut screens and/or RGB-
> LED?
> 
> Juuso Ritari wrote:
> 
> > Eizo's white paper about calibrating normal and wide gamut displays
> > simulately can be found on
> > http://www.eizo.com/na/support/wp/pdf/wp_08-002.pdf .
> 
> Thanks for pointing to the paper, a very interesting reading.
> 
> My first understanding of the "10 degree field of view" term was as the
> actual field of view of the measurement device, but I now think to
> understand, that it means another observer calculation. Is this correct?
> 
> But I can't understand the following point.
> In 2-2. they claim to have used an Eye One pro (spectrometer) as the
> measuring device, but the sensitivity (RGB) graphs look more like the
> response curves of a colorimeter (CIE 1931 standard observer color
matching
> function). I thought these reponse curves are only typical for
colorimeters, so
> what am I getting wrong here?
> 
> 
> For those who can read German, there is another interesting (at least for
> me) paper:
>  "Warum stimmen Bildschirm-Messtechnik und visuelle Empfindung nicht
>   immer perfekt überein?" (FOGRA)
> 
> http://www.fogra.org/products-de/download/Sonderdruck21.pdf
> 
> Regards, Juergen




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