[argyllcms] Re: Greenish cast in darker blacks

  • From: Pascal de Bruijn <pmjdebruijn@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Thu, 31 Dec 2009 16:59:05 +0100

On Thu, Dec 24, 2009 at 12:46 AM, Pascal de Bruijn
<pmjdebruijn@xxxxxxxxx> wrote:
> On Wed, Dec 23, 2009 at 10:24 PM, andrzej duda <desdaa@xxxxxxxxx> wrote:
>> Why don't try -B, it worked for me and Alexander.
>> -f1 -k0 -A20 -B0.1
>> Here, the difference it makes in LUT curves:
>> http://www.freelists.org/post/argyllcms/Problem-with-110-RC2,16
>> The lowest value for -B can't be lower than measured black point.
>> http://www.freelists.org/post/argyllcms/How-do-I-force-dispcal-to-always-map-R0-B0-G0-R0-B0-G0-on-the-calibrated-video-LUT,10
> Generating LUT (LAB or XYZ) profiles seems to give severely worse results.
> The additional dispcal parameter do not seem to make a big change...
> I guess it's a good idea to wait for RC3, and then recheck if the
> problem still exists.

Actually I recently invested in a ColorMunki, and this probleem (with
rc2) has completely vanished!

My el'cheapo laptop display now has a perfectly nice greyscale.

Pascal de Bruijn

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