Color perception: Objects, constancy, and categories

C Witzel, KR Gegenfurtner - Annual review of vision science, 2018 - annualreviews.org
Color has been scientifically investigated by linking color appearance to colorimetric
measurements of the light that enters the eye. However, the main purpose of color …

Misconceptions about colour categories

C Witzel - Review of Philosophy and Psychology, 2019 - Springer
The origin of colour categories and their relationship to colour perception have been the
prime example for testing the influence of language on perception and thought (Sapir-Whorf …

Determinants of colour constancy and the blue bias

D Weiss, C Witzel, K Gegenfurtner - i-Perception, 2017 - journals.sagepub.com
We investigated several sensory and cognitive determinants of colour constancy across 40
illumination hues. In the first experiment, we measured colour naming for the illumination …

[HTML][HTML] Are red, yellow, green, and blue perceptual categories?

C Witzel, KR Gegenfurtner - Vision research, 2018 - Elsevier
This study investigated categorical perception for unique hues in order to establish a
relationship between color appearance, color discrimination, and low-level (second-stage) …

[HTML][HTML] The dress and individual differences in the perception of surface properties

C Witzel, JK O'Regan, S Hansmann-Roth - Vision Research, 2017 - Elsevier
This study investigates systematic individual differences in the way observers perceive
different kinds of surface properties and their relationship to the dress, which shows striking …

Color metamerism and the structure of illuminant space

A Akbarinia, KR Gegenfurtner - JOSA A, 2018 - opg.optica.org
The colors of two surfaces might appear exactly alike under one illuminant while varying
under others. This is due to the metamerism phenomenon in which physically distinct …

Color constancy and color term knowledge are positively related during early childhood

MR Rogers, C Witzel, P Rhodes, A Franklin - Journal of experimental child …, 2020 - Elsevier
The ability to keep perception constant despite environmental changes of illumination,
viewing angle, or distance is a key feature of perception. Here, we investigated how …

Red, yellow, green, and blue are not particularly colorful

C Witzel, J Maule, A Franklin - Journal of Vision, 2019 - jov.arvojournals.org
Colorfulness and saturation have been neglected in research on color appearance and
color naming. Perceptual particularities, such as cross-cultural stability,“focality,”“uniqueness …

Color constancy in real-world settings

KR Gegenfurtner, D Weiss, M Bloj - Journal of Vision, 2024 - jov.arvojournals.org
Color constancy denotes the ability to assign a particular and stable color percept to an
object, irrespective of its surroundings and illumination. The light reaching the eye …

[HTML][HTML] Colour expectations across illumination changes

H Karimipour, C Witzel - Vision Research, 2024 - Elsevier
This study investigates human expectations towards naturalistic colour changes under
varying illuminations. Understanding colour expectations is key to both scientific research on …