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Stimulus size dependence of induced hue changes

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Stimulus size dependence of induced hue changes

The perceived color of an object depends not only on the spectral composition of the light reflected from its surface, but also on the visual context such as illumination and surrounding colors. We investigated how such induction of hue shifts varies with stimulus size and if the specific surround hue affects size differences. Generally, induced hue shifts decreased with increasing stimulus size. In terms of absolute value this decrease was quantitatively different for different surround hues. However, when size effects were normalized to overall induction strength the surround specificity was largly reduced. This suggests that color induction and the size effects are mediated by different mechanisms and the latter is by and large spatial.

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References

Christian Johannes Kellner and Thomas Wachtler, Stimulus size dependence of hue changes induced by chromatic surrounds, J. Opt. Soc. Am. A 33, A267-A272 (2016) https://doi.org/10.1364/JOSAA.33.00A267

datacite.yml
Title Stimulus size dependence of induced hue changes
Authors Kellner,Christian Johannes
Wachtler,Thomas
Description The perceived color of an object depends not only on the spectral composition of the light reflected from its surface, but also on the visual context such as illumination and surrounding colors. We investigated how such induction of hue shifts varies with stimulus size and if the specific surround hue affects size differences. Generally, induced hue shifts decreased with increasing stimulus size. In terms of absolute value this decrease was quantitatively different for different surround hues. However, when size effects were normalized to overall induction strength the surround specificity was largly reduced. This suggests that color induction and the size effects are mediated by different mechanisms and the latter is by and large spatial.
License Creative Commons Attribution 4.0 International Public License (https://creativecommons.org/licenses/by/4.0/)
References Christian Johannes Kellner and Thomas Wachtler, Stimulus size dependence of hue changes induced by chromatic surrounds, J. Opt. Soc. Am. A 33, A267-A272 (2016) [doi:10.1364/JOSAA.33.00A267] (IsSupplementTo)
Funding
Keywords Color vision
Color induction
Psychophysics
Resource Type Dataset