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- Posted on
- Onideus Mad Hatter
January 23, 2006, 10:43 am
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...um, are you scanning a book and can't close the scanner cover all
the way? Try putting a black blanket over the scanner when you scan,
that might solve the problem. If not and the bad part always appears
in the same spot it's likely hardware, but you might want to test it
out on another machine first just to make sure (there's a very remote
possibility that it could be a driver/software issue).
Onideus Mad Hatter
mhm ¹ x ¹
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Re: Scanning calligraphy: which scanner setting?
By taking a large background sampling of pixels and heavily
applying an average (or blurring) filter it's possible to
approach an average lightness value to compare with other
areas of the document to determine if there was a sensed
(hardware) lightness difference.
Might just be a CCFL tube in the scanner is nearing end of
life and is darker at one end.