Perceived speed of changing color in chroma and hue directions in CIELAB

Xiangzhen Kong; Michael Murdoch; Ingrid Vogels; Dragan Sekulovski; Ingrid Heynderickx

doi:10.1364/JOSAA.36.001022

Perceived speed of changing color in chroma and hue directions in CIELAB

Xiangzhen Kong, Michael Murdoch (Corresponding author), Ingrid Vogels, Dragan Sekulovski, Ingrid Heynderickx

Human Technology Interaction

Research output: Contribution to journal › Article › Academic › peer-review

5 Citations (Scopus)

330 Downloads (Pure)

Abstract

In dynamic LED lighting, the perceived speed of changing color is an important concept; however, there exists no suitable temporal color space. In a psychophysical experiment, we compared the perceived speed of periodic temporal transitions in CIELAB chroma and hue directions around five base colors [the five Munsell hues: 5R (red), 5Y (yellow), 5G (green), 5B (blue), and 5P (purple)]. The experiment was conducted in a light laboratory, with the main illumination stimulus subtending a visual angle of 101 × 77 deg. In sequential paired presentations, observers were asked to identify which transition appeared faster, and points of subjective equality between transitions were computed. The speed of transitions was defined in CIELAB ΔE _ab∕s, which was shown to be temporally non-uniform; uniformity was improved using a modified color space based on speeds in the DKL space of Derrington et al.

Original language	English
Pages (from-to)	1022-1032
Number of pages	11
Journal	Journal of the Optical Society of America A, Optics, Image Science and Vision
Volume	36
Issue number	6
DOIs	https://doi.org/10.1364/JOSAA.36.001022
Publication status	Published - Jun 2019

Keywords

Temporal color perception
Psychophysics

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10.1364/JOSAA.36.001022

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Cite this

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title = "Perceived speed of changing color in chroma and hue directions in CIELAB",

abstract = "In dynamic LED lighting, the perceived speed of changing color is an important concept; however, there exists no suitable temporal color space. In a psychophysical experiment, we compared the perceived speed of periodic temporal transitions in CIELAB chroma and hue directions around five base colors [the five Munsell hues: 5R (red), 5Y (yellow), 5G (green), 5B (blue), and 5P (purple)]. The experiment was conducted in a light laboratory, with the main illumination stimulus subtending a visual angle of 101 × 77 deg. In sequential paired presentations, observers were asked to identify which transition appeared faster, and points of subjective equality between transitions were computed. The speed of transitions was defined in CIELAB ΔE ab∕s, which was shown to be temporally non-uniform; uniformity was improved using a modified color space based on speeds in the DKL space of Derrington et al. ",

keywords = "Temporal color perception, Psychophysics",

author = "Xiangzhen Kong and Michael Murdoch and Ingrid Vogels and Dragan Sekulovski and Ingrid Heynderickx",

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AU - Kong, Xiangzhen

AU - Murdoch, Michael

AU - Vogels, Ingrid

AU - Sekulovski, Dragan

AU - Heynderickx, Ingrid

PY - 2019/6

Y1 - 2019/6

N2 - In dynamic LED lighting, the perceived speed of changing color is an important concept; however, there exists no suitable temporal color space. In a psychophysical experiment, we compared the perceived speed of periodic temporal transitions in CIELAB chroma and hue directions around five base colors [the five Munsell hues: 5R (red), 5Y (yellow), 5G (green), 5B (blue), and 5P (purple)]. The experiment was conducted in a light laboratory, with the main illumination stimulus subtending a visual angle of 101 × 77 deg. In sequential paired presentations, observers were asked to identify which transition appeared faster, and points of subjective equality between transitions were computed. The speed of transitions was defined in CIELAB ΔE ab∕s, which was shown to be temporally non-uniform; uniformity was improved using a modified color space based on speeds in the DKL space of Derrington et al.

AB - In dynamic LED lighting, the perceived speed of changing color is an important concept; however, there exists no suitable temporal color space. In a psychophysical experiment, we compared the perceived speed of periodic temporal transitions in CIELAB chroma and hue directions around five base colors [the five Munsell hues: 5R (red), 5Y (yellow), 5G (green), 5B (blue), and 5P (purple)]. The experiment was conducted in a light laboratory, with the main illumination stimulus subtending a visual angle of 101 × 77 deg. In sequential paired presentations, observers were asked to identify which transition appeared faster, and points of subjective equality between transitions were computed. The speed of transitions was defined in CIELAB ΔE ab∕s, which was shown to be temporally non-uniform; uniformity was improved using a modified color space based on speeds in the DKL space of Derrington et al.

KW - Temporal color perception

KW - Psychophysics

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Perceived speed of changing color in chroma and hue directions in CIELAB

Abstract

Keywords

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Fingerprint

Rochester Institute of Technology

Assessing the temporal uniformity of CIELAB hue angle

Dynamic color perception: how fast are the Munsell hues?

Cite this

Perceived speed of changing color in chroma and hue directions in CIELAB

Abstract

Keywords

Access to Document

Other files and links

Fingerprint

Activities

Rochester Institute of Technology

Research output

Assessing the temporal uniformity of CIELAB hue angle

Dynamic color perception: how fast are the Munsell hues?

Cite this