Re: SilverFast, ScanOpen, scanner profiles
Re: SilverFast, ScanOpen, scanner profiles
- Subject: Re: SilverFast, ScanOpen, scanner profiles
- From: Henrik Holmegaard <email@hidden>
- Date: Wed, 26 Feb 2003 07:39:58 +0100
simo bogdanovic <email@hidden> wrote:
>Linocolor recommended that the raw scan for profile creation was done
as
>'TIFF RGB', SilverFast seems to offer many 'Internal' working spaces
for
>RGB. Do these mean the same thing? Would the correct choice be the same
>as establishing a good definition of RGB as per Adobe Photoshop ?.
TIFF RGB is a data format and also the external name of the color space
(class spac) profile which ships with Linocolor 6 and Linocolor 5.
Through the years this has given rise to some confusion.
When the documentation says to save out the calibration scan as TIFF
RGB, the intention is that you should save out the calibration scan as
TIFF RGB data and not as a color managed file converted into and tagged
with the TIFF RGB ICC profile.
ICC scanner profiling software will ignore a tagged ICC profile, but
the scanning application may have altered the raw pixel values when
exporting to an ICC color space.
To profile a scanner, avoid changing the raw pixel values. There is a
menu item in Linocolor, "Save Calibration Scan to Disk" which bypasses
all color space conversion and places the raw 8 bit scan on the desktop.
Hope this helps.
Henrik
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