Re: Decent results with Gutenprint - the poor man's RIP.
Re: Decent results with Gutenprint - the poor man's RIP.
- Subject: Re: Decent results with Gutenprint - the poor man's RIP.
- From: Graeme Gill <email@hidden>
- Date: Wed, 21 Jun 2006 23:44:57 +1000
Roberto Michelena wrote:
I've always wondered why no one uses a "lots of points" linearization.
Linearization is so important that doing it with 21 points (5% steps),
then have one point with measuring error, or just happening to hit a
small local artifact such as the dithering treshold you mention, and
bum! you get bad results.
We always used 31 step charts on the Colorbus, with finer gradations
near the highlights. It certainly helped the quality of the linearisation.
Graeme Gill.
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