Context-dependent judgments of color that might allow color constancy in scenes with multiple regions of illumination.

Journal of the Optical Society of America. A, Optics, Image Science, and Vision
Robert J Lee, Hannah E Smithson

Abstract

For a color-constant observer, a change in the spectral composition of the illumination is accompanied by a corresponding change in the chromaticity associated with an achromatic percept. However, maintaining color constancy for different regions of illumination within a scene implies the maintenance of multiple perceptual references. We investigated the features of a scene that enable the maintenance of separate perceptual references for two displaced but overlapping chromaticity distributions. The time-averaged, retinotopically localized stimulus was the primary determinant of color appearance judgments. However, spatial separation of test samples additionally served as a symbolic cue that allowed observers to maintain two separate perceptual references.

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Citations

Mar 15, 2016·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Joris VincentSteven L Buck
Apr 1, 2018·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Takuma Morimoto, Hannah E Smithson
Mar 15, 2016·Journal of the Optical Society of America. A, Optics, Image Science, and Vision·Robert J Lee, Hannah E Smithson
Mar 5, 2021·Journal of Vision·Takuma MorimotoKeiji Uchikawa

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