[argyllcms] Re: CMP Digital Target 3 (not 003)

  • From: Gerhard Fuernkranz <nospam456@xxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Sat, 07 Mar 2009 13:01:57 +0100

Graeme Gill wrote:
> Pascal de Bruijn wrote:
>> However I was also looking for some comments about what to invest in...
>> I'd like to hear your opinion on the target designs, and what is
>> expected
>> to have the best results with Argyll.
> It depends a bit on what sort of profiles you want to build.
> If you are building shaper/matrix profiles and they model your
> device well, then a smallish number of patches won't be such
> a limitation. If you're building cLUT based profiles, then you
> can never have too many patches.
> The other considerations are:
>     Gamut. How big a gamut & dynamic range does it cover ?
>     Evenness and fill. Are the test patches reasonable even,
>            and do they fill the space. Are there gaps ?
>                What is the density ?
>     Accuracy. How accurate are the reference values ?

... and not to forget the spectral characteristics of the patches. I'm
actually wondering, is this a "painted" target (like the ColorCheker),
or is it photo paper too (like an IT8, but with a different layout)?


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