[argyllcms] Re: Crushed shadow details

  • From: xun wang <xun911@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Sat, 10 Sep 2011 00:39:42 -0400

Never mind I see what I did wrong. All I had to do is to raise the black
point a bit to get all the shadow details.

On Fri, Sep 9, 2011 at 10:22 PM, xun wang <xun911@xxxxxxxxx> wrote:

> Thanks that works!
> I did some some further testing and comparison, and noticed that with
> ArgyllCMS I still get less shadow details than the profile created using
> X-rite's OEM software(ICC v2). Using photoshop's curve tool, the
> lowest discernible shadow details using x-rite profile is 2. With ArgyllCMS
> profile it's 4. I don't see any noticeable color casts in the shadows by
> either profile.
> I also get less gamut volume with the ArgyllCMS: 1,114,180 vs 1,087.920
> Below is the DispcalGUI screenshot for the settings I used, please let me
> know if there're anything I haven't optimized. Because I would really love
> to use ArgyllCMS for my main calibration tool for its powerful features and
> flexibilty. But for now the x-rite OEM software seems to give superior
> result yet taking a fraction of the time.
> DispcalGUI setting screen shot: http://tinyurl.com/3vw7o9y
> I also ran "Very Profile", I'm not entirely sure but it also seems to agree
> that the x-rite profile is oeverall slightly more accurate?
> x-rite profile verification: http://tinyurl.com/44eptzd
> argyllcms profile verification: http://tinyurl.com/4yqu4km
> Any help and inputs are greatly appreciated!
> Xun
> On Fri, Sep 9, 2011 at 2:54 PM, Florian Höch <lists+argyllcms@xxxxxxxxx>wrote:
>> Am 09.09.2011 20:28, schrieb xun wang:
>>  Is there anyway I could create a "single gamma + matrix" file for
>>> Colormunki using the existing saved calculation data without running
>>> through the "Calibreate & profile" process again? it's painfully slow
>>> when I use "adaptive hires" + Black Drift Compensation for the
>>> Colormunki.
>> Yes, you can use the existing ColorMunki data to create a new profile from
>> it. (using the commandline tools, give the existing .ti3 as last argument to
>> colprof. Or if you use dispcalGUI, set the desired profile type, then in the
>> "Options" menu -> "Create profile from measurement data...", then select the
>> .ti3 file)
>> --
>> Florian Höch

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