Observer metameric failure compensation method

摘要

A method for color correcting an input color image having input color values adapted for display on a reference display device having a plurality of input color primaries to account to provide reduced observer metemaric failure on a narrow-band display device. A metamerism correction transform is applied to the input color image to determine an output color image having output color values in an output color space appropriate for display on the narrow-band display device. The metamerism correction transform modifies colorimetry associated with the input colors to provide output color values such that an average observer metameric failure is reduced for a distribution of target observers.

主权项

1. A method for color correcting a color image to account for color vision characteristics associated with a set of target observers in preparation for displaying the color image on a color display device having a plurality of device color primaries, at least one of the device color primaries being a narrow-band primary, comprising:
receiving an input color image in an input color space, the input color image having input color values and being adapted for display on a reference color display device having a plurality of input color primaries having associated input color primary spectra; using a data processing system to apply a metamerism correction transform to the input color image to determine an output color image having output color values in an output color space appropriate for display on the color display device, the output color image having a plurality of output color channels, each of the output color channels being associated with one of the device color primaries, wherein the metamerism correction transform modifies colorimetry associated with the input colors to provide output color values such that an average observer metameric failure is reduced for a distribution of target observers that includes a plurality of target observers who are simultaneously viewing the color display device, the plurality of target observers having disparate color vision characteristics; and storing the output color image in a processor accessible memory.