Re: Just how accurate we we need to be?
Re: Just how accurate we we need to be?
- Subject: Re: Just how accurate we we need to be?
- From: Marco Ugolini <email@hidden>
- Date: Sun, 17 Jan 2010 18:43:19 -0800
- Thread-topic: Just how accurate we we need to be?
In a message dated 1/17/10 6:24 PM, Randy Zaucha wrote:
> Personally I print/scan/display a group of my favorite color images on the
> devices I color manage. I have a master print on several types of media to
> compare to. If the original and reproduction look good next to each other by
> eye, (especially my clients) then all is well.
> The best technique to demonstrate color management to regular folks is to scan
> a color print and display the print and a color managed print of it next to a
> profiled monitor in their office light.
> My experience has been to let the eye explain color management instead of
> stating complex theory.
> If you want accuracy, then the Delta E trip will give you numbers. For myself,
> Delta E is not the most meaningful way because a Delta E of 22 looks as
> inaccurate in a dark purple as a Delta E of 2 in a light gray. But, hey, if
> all of your Delta E's are below 3, then technically you are doing really good.
> Randy ZauchaManaged Color
And, since there is more than one way to calculate DeltaE values, each of
which has its downsides (some far more than others), we should not forget to
state which DeltaE formula we are using when we quote specific numbers...
Marco Ugolini
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