Uncertainty analysis of hyperspectral color measurement system

Jingxue Chen; Jiankang Zhou

doi:10.1117/12.3040293

16 August 2024 Uncertainty analysis of hyperspectral color measurement system

Jingxue Chen, Jiankang Zhou

Proceedings Volume 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024); 1323135 (2024) https://doi.org/10.1117/12.3040293
Event: 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 2024, Chongqing, China

Abstract

Evaluating the uncertainty of a hyperspectral color measurement system is the best method to assess the accuracy of its chromaticity measurement results. Based on the analysis of uncertainty evaluation methods for measurements, combined with the characteristics of color measurement, the uncertainty of measurement results is evaluated. Firstly, the methods for calculating luminance and chromaticity uncertainties are analyzed according to the "Guide to the Expression of Uncertainty in Measurement" and CIE chromaticity calculation formulas. Then, by analyzing the influence of various factors during the measurement process on chromaticity measurement, the uncertainty of spectral reflectance is obtained. Subsequently, based on the uncertainty of spectral reflectance, the uncertainties of luminance and chromaticity are calculated. Finally, the cross-validation results with the standard reference instrument CM-700d demonstrate the feasibility of the uncertainty evaluation method for color measurement results, laying a theoretical foundation for further research.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Jingxue Chen and Jiankang Zhou "Uncertainty analysis of hyperspectral color measurement system", Proc. SPIE 13231, 4th International Conference on Laser, Optics, and Optoelectronic Technology (LOPET 2024), 1323135 (16 August 2024); https://doi.org/10.1117/12.3040293

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KEYWORDS

Measurement uncertainty

Reflectivity

Color

Printing

Equipment

Uncertainty analysis

Light sources

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