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Evaluating and reducing observer metamerism on displays.

Jinyi Lin, Ming Ronnier Luo, Tingwei Huang

|June 14, 2025

Summary

This summary is machine-generated.

Observer metamerism (OM) on displays is explored. Individual color matching functions (CMFs) outperformed standard CMFs, with neutral colors showing more severe OM and peak wavelength significantly impacting display comparisons.

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Area of Science:

Color Science
Visual Perception
Display Technology

Background:

Observer metamerism (OM) is a phenomenon where different observers perceive identical colors differently on displays.
Understanding OM is crucial for accurate color reproduction and display calibration.

Purpose of the Study:

To investigate observer metamerism on displays using various experimental approaches.
To compare the performance of different color matching functions (CMFs) in predicting metamerism.
To identify factors influencing OM, such as display primaries and observer characteristics.

Main Methods:

Conducted display-based white and colored color-matching experiments.
Performed trichromator-based white color-matching experiments.
Analyzed experimental data using CIE standard observers and individual CMFs.
Utilized simulation experiments to analyze color and display primaries.

Main Results:

CIE2015 10° CMFs showed the best performance among standard observers.
Individual CMFs demonstrated superior performance compared to all tested CMFs.
Neutral colors exhibited more severe OM on displays.
Peak wavelength of display primaries had a greater impact on OM than bandwidth.

Conclusions:

Individual CMFs are more effective in accounting for observer metamerism than standard CMFs.
Display primary characteristics, particularly peak wavelength, significantly influence OM.
Further research is needed to address limitations of display-based CMFs and mitigate OM.