Re: Hutch Targets
Re: Hutch Targets
- Subject: Re: Hutch Targets
- From: bruce fraser <email@hidden>
- Date: Fri, 10 Mar 2006 10:20:16 -0800
Here's a simple objective test for evaluating scanner profiles AND
for determining the ideal scanner tone curve. (Andrew alluded in an
earlier message to the fact that I use the Imaco 848 at gamma
=3.0-this is how I found the gamma value.)
Scan the target.
Build a profile.
Assign the profile to the target.
Convert to Lab
Compare the difference between the Lab values in the scan and those
in the target reference file.
Repeat with different tone curves until the minimum delta-e is achieved.
Bruce
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