Color appearance of a large homogenous visual field | Zendy

Kutas G. | Zendy; Bodrogi P. | Zendy

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Color appearance of a large homogenous visual field

Author(s) -

Kutas G.,

Bodrogi P.

Publication year - 2008

Publication title -

color research and application

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.393

H-Index - 62

eISSN - 1520-6378

pISSN - 0361-2317

DOI - 10.1002/col.20367

Subject(s) - homogeneous , stimulus (psychology) , hue , color vision , artificial intelligence , visual field , psychology , mathematics , computer vision , computer science , physics , optics , cognitive psychology , combinatorics

In this article, the color appearance of a large (85°) homogeneous self‐luminous visual stimulus was studied in a psychophysical experiment. Large stimuli were displayed on a plasma display panal (PDP) monitor. The large stimuli were viewed with a fixed viewing time (2 s). They were compared with 2° and 10° stimuli presented on a grey background on a CRT monitor. The so‐called “color size effect” was found to be significant. The color stimulus was perceived to be lighter when it was large compared with the 2° and 10° situation. But we did not find the general increase of chroma claimed in previous literature. We found only small hue changes. A model of the color appearance of large‐field stimuli is presented in terms of the CIELAB L *, a *, and b * values of the corresponding 2° and 10° stimuli. © 2007 Wiley Periodicals, Inc. Col Res Appl, 33, 45–54, 2008

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