Ink Limiting Hue Shift
Ink Limiting Hue Shift
- Subject: Ink Limiting Hue Shift
- From: Patrick Donigain <email@hidden>
- Date: Mon, 24 Jan 2005 16:49:51 -0500
I have found two circumstances where
limiting ink channels is useful.
1. The first circumstance where limiting
individual ink channels is useful is where the inkjet has a much larger
gamut than what you matching to. Limiting the inks to approximate the smaller
gamut can create a better color match. I have done this with best and with
ORIS and in both cases have lowered my average CIE Lab delta e by 1-2.
2, The second circumstance is when setting
up an initial linearization on a rip that allows you to recalibrate a printer.
If you linearize your printer to full gamut and then profile it you may
run into problems later on if you printer looses max density due to mechanical
problems or slight changes in the media. When achievable ink densities
become lower on devices that were profiled using full gamut linearizations
you can't edit the initial linearization and allow the printer to lay down
more ink. Instead you must reprofile the printer. If you had limited the
ink initially when linearizing you could have just edited the initial linearization
to allow more ink to be laid down and then recalibrated.
Hope this is relevant.
Patrick Donigain
Progressive Color Media, LLC
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