Re:Kodak IPB Profiles
Re:Kodak IPB Profiles
- Subject: Re:Kodak IPB Profiles
- From: neilB <email@hidden>
- Date: Wed, 22 Nov 2000 17:45:25 +0000
Les
I'm told that the two options IPB 4.0 offers are "Normal" mapping or "Reduce Contrast". Reduce Contrast is stated to preserve all the detail in Highlights and shadows but to make a profile which will result in scans which are low contrast and dark .
Perhaps you have a different version?
neilB
On 22/11/00 at 10:17 am, email@hidden (Les Schofer) wrote:
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When building an input profile in Kodak's IPB Wizard, you are given a check box that says
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"add contrast." I have built identical Digital camera profiles using the MacBeth color checker,
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both with the box checked and without. When using the "add contrast" profile the white
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MacB square will record about 5 RGB units higher than with the normal profile, and the black
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square will record 4-5 units lower. Ask the person who made the profiles if he had that box
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checked. I don't know, but maybe the "add contrast" box performs somewhat of a lightness
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channel autolevels adjustment. I would be interested to know if this is how that feature works.
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Les Schofer
Neil Barstow
phone: 44 (0) 1273 774 704 fax: 44 (0) 1273 323 454
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