Method of determining an image recording device characterization
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United States of America Patent
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Aug 9, 2005
Grant Date -
Nov 4, 2004
app pub date -
May 1, 2003
filing date -
May 1, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is provided of determining an image recording device characterisation for a target image. A number of component spectra are determined from a set of target spectra obtained from the target image such that the spectra can be represented by combinations of one or more of the component spectra. A perceptual color space data set is defined and combinations of the component spectra which correspond to the perceptual color space data set are determined. A device data set is generated in accordance with the determined combinations and a device spectra response, the device data set representing a set of colors which can be generated by an image recording device having the device spectral response. A characterisation is then determined by reference to the relationship between the device and perceptual color space data sets.
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