COLOR PROCESSING APPARATUS AND METHOD THEREFOR

摘要

This invention converts input color data into output color data using a table which has been created based on spectral data generated by an appropriate generation method and indicates the correspondence between an input chromaticity and an output chromaticity. To do this, an input color data acquisition unit converts input color data into input chromaticity data. An output chromaticity data calculating unit converts the input chromaticity data into output chromaticity data by referring to an LUT indicating the correspondence between an input chromaticity and an output chromaticity. An output color data calculating unit converts the output chromaticity data into output color data using a conversion coefficient calculated from the input color data. The table indicating the correspondence is created based on spectral data generated by a generation method different for each of a low chroma color and a high chroma color.

主权项

1. A color processing apparatus comprising:
a first convertor configured to convert input color data into input chromaticity data; a second convertor configured to convert the input chromaticity data into output chromaticity data by referring to a table indicating a correspondence between an input chromaticity and an output chromaticity; and a third convertor configured to convert the output chromaticity data into output color data using a conversion coefficient calculated from the input color data, wherein the table indicating the correspondence is created based on spectral data generated by a generation method different for each of a low chroma color and a high chroma color.