Color Difference Evaluation in Photopic, Mesopic and Scotopic Vision

Abstract:

The human visual system is able to adapt to a wide range of the adaptive luminance levels. However, the chroma was found to be the most affected attribute in the assessments. Several color appearance models have been proposed to describe adaptation mechanisms and predict the color appearance at different luminance levels. A set of 72 color pairs of samples that surround four color centers with high chroma was prepared to the test the prediction performance of the CAMs. The visual assessment of these color pairs was performed at eight luminance levels including photopic, mesopic and scotopic luminance levels. The data from visual assessment were used to the test prediction performance of six color difference formula and color appearance models, namely CIELAB, CIECAM02, CAM02-UCS, CAM16, CAM16-UCS and CAM16-UCS with power function.

• Periodical: Advances in Science and Technology (Volume 113)
• Pages: 99-110
• DOI: https://doi.org/10.4028/p-e52lq1
• Online since: July 2022
• Authors: Marcela Pechová*, Michal Vik, Martina Viková
• Keywords: CAM16, CIECAM02, CIELAB, Color Appearance Model, Color Difference Evaluation, Color Difference Formula, Mesopic Vision, Photopic Vision, Scotopic Vision, STRESS Index, Uniform Color System

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