Color space conversion
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United States of America Patent
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Mar 31, 2015
Grant Date -
N/A
app pub date -
Jun 23, 2014
filing date -
Aug 26, 2009
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Abstract
A color space converter converts data points from one color space to another color space using a lookup table. Color space converters may be used in any device that involves image processing, such as displays and printers. An interface receives an input value in a first color space. A controller access a lookup table stored in memory to determine an upper bound and a lower bound of a subset of the color space. An output value is interpolated between the upper bound and the lower bound using interpolation values. The interpolation values of the last subset in any dimension of the color space are modified by a scale factor to approximate ideal values.
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