Patent ID: 7969612
Filing Date: 2011-06-28
Classification: H04N

Abstract:
1. An image processing system comprising: output means for allowing an output device to output patch-data items of plural multi-order colors; acquiring means for acquiring color values, in a device independent color space, of the patch-data items output from the output device; reference-value calculating means for calculating reference values; difference calculating means for calculating differences between the color values acquired by the acquiring means and the reference values; weighting means for weighting the calculated differences with the differences between lattice point data, in the device independent color space, extracted from a second color conversion table and the calculated reference values; and correcting means for correcting, based on the differences weighted by the weighting means, the second color conversion table containing correspondence between the device independent color space and an output color space based on the output device, wherein the number of the patch-data items is smaller than the number of the lattice point data in the second color conversion table, and wherein the difference calculating means, the weighting means and the correcting means are implemented using a processor.