scanback profiling question
scanback profiling question
- Subject: scanback profiling question
- From: "Steven Kornreich" <email@hidden>
- Date: Sun, 20 Apr 2003 20:36:37 -1000
My whole business lives or dies with making a good scanback "better light"
input / scanner profile.
Since I do fine art repro only, I have tried all the different profile
software from Gretag, Monaco, Picto, color solutions, intergrated color,
etc. I have also tried all the charts out there, gretag 24 color, DC color
Checker and Hutch Color reflective targets. Since I shoot 95% oil paintings
I have to "cross polarize" to iliminate spectral's reflections from the
canvas. After trying everything out there I am currently getting best
results using the standard 24 patch gretag target and monaco's dc color
software. My question pertains to setting the high light and shadow when
doing the initial scan. I have been told that setting the first white patch
on the 24 color chart should be aprox 242 rgb and on the black patch around
50rgb. This works well if all I am trying to do is reproduce the Gretag
Chart but usually more time than not I have to make hi light and shadows
moves in PS after is assign the input profile. I was thinking about maybe
setting the white point on the canvas itself but I am not sure if this
would be the thing to do. If the art I am reproducing has a unpainted area
on the canvas, I would assume I would want no dot there when printing out so
I would have to set at 255rgb. Am I on the right track? Or should I be
rethinking this. I also noticed on rpimaging web site they recommend always
using Absolute ColorMetric Rendering intent.....
_________________________________
Kornreich Communications Inc.
Steven Kornreich
email@hidden
http://www.beachlook.com
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