Dynamic optimized color lut transformations based upon image requirements
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United States of America Patent
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Mar 19, 2002
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app pub date -
Dec 22, 1998
filing date -
Dec 22, 1998
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Abstract
A method and apparatus which improves the precision of a color look-up table used to transform from the input image's color space to device-dependent print engine color space. The generated look-up table includes nodes in excess of those necessary for a single image transformation. A node selecting device allows for the selection of a subset of the nodes in accordance with image requirements which can be determined either alone or in combination, a distribution of color content of the image throughout the print engine color space, or customer-defined critical color regions.
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