Spectrum inverter apparatus and method
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United States of America Patent
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Nov 11, 2003
Grant Date -
N/A
app pub date -
May 18, 1999
filing date -
May 18, 1999
priority date (Note) -
Expired
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Abstract
A spectrum inverter receives optical values from a scanning device and applies a spectrum inversion method to the optical values. The spectrum inversion method is selected based on a medium identifier that identifies the medium upon which the scanned image is formed. The resulting spectral space values are then output and may be used by an image output device to reproduce the scanned image.
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