[argyllcms] Re: Color Calibration

On vendredi 26 septembre 2008, Pascal de Bruijn wrote:

> Hi,
>
> ArgyllCMS works well with my new Huey (my previous one
> was defective).
>
> However, I'm wondering whether it's possible to adjust my
> screen settings to get it to be closer to sRGB.
>
> I'm currently profiling using my screen's default settings.
>
> Does ArgyllCMS have a tool which can read a few spots,
> and then give some hints, for example to increase/decrease
> brightness/contrast/temp, and then read the few spot again.
> Then repeat this a couple of times to get the screen as
> close to sRGB as possible in hardware. And then do
> the normal calibration run, to compensate for the
> remaining difference...
>
> Does such a tool exist? Or is there a way to deduce that
> from a generated profile?

Yes, dispcal can guide you using the 1-6 menu...

But as far as I know, the only thing you are able to adjust to target sRGB 
are the color temp. (6500K) and gamma (2.2). Primaries can't be 
adjusted...

Brightness sets the black level, and contrast the white level (at least on 
a CRT monitor). On LCD, you can only adjust the backlight level ; 
modifiying other settings can lead to problems, because it will modify the 
internal LUT of the screen, which is not very accurate (6 bits).

But if you have a high-end LCD monitor, things can be a little bit 
different...

-- 
    Frédéric

    http://www.gbiloba.org

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