Message
Re: [colorvision_group] Re: New guy has some questions/Understanding the blotches
2008-03-26 by CDTobie@aol.com
In a message dated 3/26/08 3:28:46 PM, rschoner@... writes:
One possible suggestion for Colorvision. If Epson printers produce
targets that are so dark that they are hard to profile you may want
to consider making a "bright" target. The software could be adjusted
to compensate by knowing that the target was "bright" and the color
readings may be improved. I noticed that some of the dark areas on
the targets were very dark to my eye and showed a large difference
between the reading and the ideal.
We went down that road with the original PrintFIX product. My analogy for that is the drunk thats looking for his keys under the streetlamp, not because thats where he dropped them, but because thats where is light enough to search. In other words: brighter targets only tell you things about brighter colors... and extrapolating down from there only works if your extrapolation assumptions prove correct. Since printers aren't linear, we can't afford to make those assumptions.
C. David Tobie
WW Product Technology Manager
Digital Imaging & Home Theater
Datacolor
CDTobie@...
www.datacolor.com/Spyder3
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