Re: Hutch Targets
Re: Hutch Targets
- Subject: Re: Hutch Targets
- From: bruce fraser <email@hidden>
- Date: Sat, 11 Mar 2006 09:47:59 -0800
At 10:34 PM -0800 3/10/06, Marco Ugolini wrote:
Hi Bruce.
You mean to say that one ought to keep setting different gamma values in the
scanner software when scanning the target, then create a profile for each of
those gamma values and assign it to the raw scan of the target, until one
achieves the lowest Delta E values compared to the reference file: is that
correct?
Yes, exactly.
It's been a while since I last used an Imacon, and I forget whether it
allows the user to specify precise increments in gamma values (e.g., 2.1,
2.2, 2.3, etc.): I seem to remember that it does, or am I mistaken?
The Imacon lets you specify a gamma value, as do many other CCD
scanners. Most drum scanners let you specify a tone curve. In either
case, the principle is the same.
The best-fit tone curve typically produces scans that are a little
flat, but with very accurate hue and saturation relationships. It's
easy to tweak the tonality to get great results.
Bruce
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