Data-processing apparatus generating color conversion data
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United States of America Patent
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Jul 19, 2016
Grant Date -
Aug 27, 2015
app pub date -
Feb 23, 2015
filing date -
Feb 26, 2014
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Abstract
A data-processing apparatus modifies a part of a plurality of measurement values defined in a specified color space to acquire modified measurement values; and generates color conversion data by using the modified measurement values. A dark range is defined by lightness of a maximum chroma measurement value and includes a first color range and a second color range. The first color range includes at least a part of an outer layer corresponding to a target color range. The second color range is at least a part of a portion inside the first color range in the dark color range. The data-processing apparatus performs the modification to meet the following conditions (a) and (b): (a) lightness of each measurement value within the first color range is not increased; and (b) lightness of each measurement value within the second color range is increased.
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