Importance

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Abstract

A method, includes depositing a first quantity of a first colorant corresponding to a first color value and a second quantity of a second colorant corresponding to a second color value on a region of media, determining a value related to a hue of the region, determining a difference between the value and a predetermined value. In addition, the method includes changing an association between the first color value and a first colorant quantity value, corresponding to the first quantity of the first colorant, according to the difference. An apparatus includes a spectral measurement device configured to generate output corresponding to a spectral content of light reflected from a region on media formed by depositing a first quantity of a first colorant and a second quantity of a second colorant onto the media. In addition, the apparatus includes a memory to store a plurality of color values and a corresponding plurality of first colorant quantity values. Furthermore, the apparatus includes a a processing device coupled to the memory and arranged to receive the output from the spectral measurement device and configured to determine a value related to a hue of the region using the output, configured to determine a difference between the value and a predetermined value, and configured to change an association between the plurality of color values and the plurality of first colorant quantity values according to the difference.

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First Claim