Influence of viewing conditions on cross-media color matching
Metadatos
Afficher la notice complèteAuteur
Huang, Min; He, Ruili; Guo, Chunli; Shi, Chunjie; Cui, Guihua; Luo, Ming Ronnier; Melgosa Latorre, ManuelEditorial
Politechnika Wroclawska
Materia
Observer variability Observer metamerism Cross-media color experiment Color-matching
Date
2019Referencia bibliográfica
Huang, M., He, R., Guo, C., Shi, C., Cui, G., Luo, M. R., & Melgosa, M. (2019). Influence of viewing conditions on cross-media color matching. Optica Applicata, 49(4).
Patrocinador
National Natural Science Foundation of China (NNSFC), 61675029. Ministry of Economy and Competitiveness of the Government of Spain, co-financed by the European Regional Development Fund (ERDF) of the European Union, research project FIS2016-80983-P.Résumé
We investigated observer metamerism under a variety of viewing conditions, in a set of color-matching
experiments using displays and printed color samples under specific light sources. A selection
was made of light sources with different illuminances, spectral power distributions, and correlated
color temperatures, as well as displays with different sets of primaries. A panel of 157 observers
with normal color vision and ages between 20 and 59 years old performed 5465 visual color matches
around 9 different color centers. The results from the simulated and real experiments were quite
different. Specifically, the mean color difference from the mean changed with experimental viewing
conditions, ranging from 0.73 to 1.64 CIELAB units (average 0.99 CIELAB units) in simulated
experiments, and from 3.12 to 4.03 CIELAB units (average 3.55 CIELAB units) in real experiments.
In real experiments, observers’ variability reduced for light sources with high illuminance
and high correlated color temperature. Spectral power distributions affected observer metamerism,
but the role played by the primaries of the two displays employed was unclear.