Patent ID: 7499164
Filing Date: 2009-03-03
Classification: G01J

Abstract:
1. A method for adjusting a color measurement of a secondary color measurement instrument, the method comprising: generating a profile for the secondary color measurement instrument based on color measurements of a master color measurement instrument; and applying the profile to adjust the color measurement of the secondary color measurement instrument; wherein, generating a profile for the secondary color measurement instrument includes: a) generating a first set of spectral data based on color measurements of a set of colors by a plurality of color measurement instruments; (b) collecting a second set of spectral data based on color measurements of the set of colors by the master color measurement instrument, wherein the master color measurement instrument is one of the plurality of color measurement instruments; (c) generating a profile for the master color measurement instrument based on a comparison of the first and second sets of spectral data; (d) collecting a third set of spectral data based on color measurements of the set of colors by the master color measurement instrument; (e) generating a fourth set of spectral data based on an application of the master color instrument profile to the third set of spectral data; (f) collecting a fifth set of spectral data based on color measurements of the set of colors by the secondary color measurement instrument; and (g) comparing the fourth and fifth sets of spectral data.