Method and system for processing scanned patches for use in imaging device calibration
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United States of America Patent
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Jun 19, 2012
Grant Date -
Jan 4, 2007
app pub date -
Jun 30, 2005
filing date -
Jun 30, 2005
priority date (Note) -
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Abstract
The presently described embodiments provide for halftone-aligned averaging and noise reduction in a calibration method and associated system. Halftone-aligned averaging is implemented, in one form, as a method of averaging in which the window over which an average is computed is a multiple of the halftone period. Noise reduction, in one illustrative embodiment, comprises discarding windows having an average outside of the range from the 5th to the 95th percentiles of all windows for a patch.
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