Determination and correction of errors in surface color measurement

Peter J. Clarke; Andrew R. Hanson

doi:10.1117/12.464749

6 June 2002 Determination and correction of errors in surface color measurement

Peter J. Clarke, Andrew R. Hanson

Proceedings Volume 4421, 9th Congress of the International Colour Association; (2002) https://doi.org/10.1117/12.464749
Event: 9th Congress of the International Color Association, 2001, Rochester, NY, United States

Abstract

A harmonisation process co-ordinated by the National Physical Laboratory (NPL) was set up to reduce errors in color measurements with a target such that 95% of the results should agree to within 0.5 CIELAB color difference units (ΔE*_ab). Nine laboratories took part in the harmonisation; some were national laboratories and the rest commercial organizations. The techniques for determining and correcting errors in color measurements are described. Thirteen sources of error were identified, ten of which were corrected for. Although not all the possible errors for the measurement of color have been addressed 94% of the measurements agreed to within 0.5 ΔE*_ab.

Citation Download Citation

Peter J. Clarke and Andrew R. Hanson "Determination and correction of errors in surface color measurement", Proc. SPIE 4421, 9th Congress of the International Colour Association, (6 June 2002); https://doi.org/10.1117/12.464749

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