[argyllcms] Re: Calibrating problems in darks areas

  • From: lee scratchy <leescratchy@xxxxxxxxxxx>
  • To: <argyllcms@xxxxxxxxxxxxx>
  • Date: Wed, 26 Dec 2007 21:31:39 +0000

did you try the L* gamma curve ?

give me some test pictures, and I can tell you how it goes on my iiyama CRT.

I have some banding test patterns that are merciless :
http://pix.nofrag.com/3/b/a/110906e5911ab646a62a0477330b6.html
http://pix.nofrag.com/d/3/6/7b49efbcee9e73b1545de0de97890.html

did you specify "-t6500" in your command line ?

post your logs, could also be helpful

> From: frederic.mantegazza@xxxxxxxxxxx
> To: argyllcms@xxxxxxxxxxxxx
> Subject: [argyllcms] Re: Calibrating problems in darks areas
> Date: Wed, 26 Dec 2007 21:28:00 +0100
> 
> On mercredi 26 décembre 2007, lee scratchy wrote:
> 
> > well I've also calibrated a iiyama 19" CRT screen(S910GT) and I get no
> > banding in dark areas.
> 
> The banding problem I can see is not in dark areas; I should have change 
> the title... Dark areas problem is sovled, by using a LUT-based profile 
> instead of a shaper-matrix one.
> 
> > it's got a major lack of green and red, only blue was fine.....yet my HD
> > movies have never looked so good !
> >
> > did you really set the display on 6500K, then play around with the
> > options 1>4 of dispcal to get the best figures reachable through the OSD
> > ?!
> 
> Yes, I did.
> 
> > Which sensor do you have ? What command line did you use ?
> 
> I'm using a Eye-One Display 2. I gave all the informations some days ago:
> 
>     http://www.freelists.org/archives/argyllcms/12-2007/msg00141.html
> 
> -- 
>    Frédéric
> 
>    http://www.gbiloba.org
> 
> 

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