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Digital BW, The Print

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Re: Linearization - mathematical or perceptual?

2004-04-26 by Roy Harrington

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Peter" 
<spamme2001@m...> wrote:
> Greetings, group.
> 
> When trying to linearize for a particular printer/paper/ink 
> combination, what is the best way to determine the Aims for each %K 
> value? Is linearization supposed to be determined strictly 
> mathematically or is there some element of perceptual linearization 
> involved?
> 
> I believe most RIPs like StudioPrint, InkJet Control, and probably 
> QTR (I haven't tried it yet) either have built-in Aims or simply 
> allow you to enter your density measures and then calculates it 
> automatically, but I'm curious about the algorithm(s) that are used 
> to establish the linearization.
> 
> Thanks for any insight.
> Peter.

I can tell you that with QTR the linearization idea is to make
the Lab values linear -- i.e. a straightline.  The numbers are
entered as density but it's just a matter of conversion to Lab.

Roy

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