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Method for scanner characterization for color measurement of printed media having four or more colorants
Method for scanner characterization for color measurement of printed media having four or more colorants
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机译:用于扫描仪表征的方法,用于对具有四种或更多种着色剂的打印介质进行颜色测量
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摘要
The present invention is directed to a method and apparatus for the improved characterization of an image scanner or similar image input terminal so as to enable the device to be employed in the measurement and analysis of color images. The invention uses a family of input device characterization targets, each varying in primary colorants and at a fixed level of black (K) colorant. A corresponding family of input device characterizations is derived, one for each level of K, and the final transformation is prepared such that the characterization includes K as an additional input—thereby improving the characterization and accuracy of the input device.
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