[argyllcms] Re: Delta-E - the wrong value to optimize?

  • From: Pascal de Bruijn <pmjdebruijn@xxxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Thu, 24 Jun 2010 17:52:49 +0200

On Thu, Jun 24, 2010 at 4:51 PM, Jon Zeeff <jon@xxxxxxxxx> wrote:
> I have a plasma monitor that looks much worse when calibrated - bad
> posterization in the brighter reds.  Is there anything I can do?  Perhaps
> DeltaE isn't the right function to minimize and a new function that
> corresponds better to how a human will perceive the overall look is needed -
> ie, smoothness is critical.  Any suggestions on modifying the code
>  (feasibility, where to start, etc)?    Any tips on why this is occurring?
>  Is 8 bits/color just not enough?

Lots of things can go wrong... Some colorimeters simply don't work
well with some types of displays...

I had this issue for example with my Huey, which never worked on my
cheapo laptop display...

Regards,
Pascal de Bruijn

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