Re: Profiling a Scanner

["Vincent Verdekal" <Vincent@abcls.com>]

Hell:

Where do you find these special IT8 target photographs?  I already have EX
Color which came with my epson 636U.

Thank you

Vincent

----- Original Message -----
From: <CDTobie@aol.com>
To: <hoekstra@netpath.net>; <epson-inkjet@leben.com>
Sent: Friday, August 20, 1999 9:38 AM
Subject: Re: Profiling a Scanner


>
> In a message dated 8/19/99 9:53:23 PM, hoekstra@netpath.net writes:
>
> >I really hate showing my ignorance, but would be so happy to learn how
> >to
> >profile a scanner and what the profiling accomplishes.
>
> You need special software (which may come with your scanner if you are
lucky,
> or can be purchased; EZ Color is one example) and a special photograph
called
> an IT8 target, which has a data file with it. The software uses the
scanner
> to read the patches on the target, and compares its results to the
"correct"
> values provided by the data file. The differnces are compiled into a
> fingerprint of the specific scanner, called an ICC profile, which can be
used
> to convert scans from that machine into a universal color space (such as
LAB)
> or a workingspace with an ICC profile of its own, or a printerspace, if
you
> have an ICC profle for the printer, and just want to dump images form the
> scanner to the printer without any editing, in copier fashion. Works
fairly
> similarly with monitors and printers.
>
> You can do this using system level color management on the Mac with
> ColorSync, (or if you hold your tongue just right, under Win98 with ICM)
or
> through program level color management in Photoshop, and possibly a few
other
> programs.
>
> C. David Tobie
> Design Cooperative
> CDTobie@designcoop.com
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