Bäuml, Karl-Heinz and Wandell, Brian A. (1996) Color appearance of mixture gratings. VISION RESEARCH, 36 (18). pp. 2849-2864. ISSN 0042-6989, 1878-5646
Full text not available from this repository.Abstract
We have examined how color appearance varies with spatial pattern. Subjects set color-matches between a uniform, 2 deg matching field and bars within squarewave patterns (1, 2 and 4 c/deg) or the superposition of these squarewaves. The matches were set using squarewaves and squarewave mixtures with many different colors and contrasts. The color-matches satisfied the basic properties of a linear system to within a tolerance of twice the precision of repeated matches. Matches satisfied contrast-homogeneity: the contrast of the matching held was proportional to the contrast of the squarewave pattern or the mixture of squarewave patterns, Matches also satisfied pattern-superposition: if a bar in one squarewave matched one uniform field, and a bar in a second squarewave matched a second uniform field, the superposition of the two squarewave bars matched the superposition of the uniform matching fields. Matches are predicted by a model in which the color at a location is predicted by the responses of three linear, pattern-color separable mechanisms. As the individual mechanisms are pattern-color separable, meaningful pattern and color-responsivity functions can be estimated for each of the mechanisms, The estimated color-responsivity functions, based only on asymmetric color-matches, have an opponent-colors organization. Copyright (C) 1996 Elsevier Science Ltd.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | DIFFERENT SURFACE COLLECTIONS; OPPONENT-PROCESS ADDITIVITY; CONTRAST SENSITIVITY; ILLUMINANT CHANGES; RED-GREEN; DISCRIMINATION; BACKGROUNDS; PRINCIPLES; DECREMENTS; EQUILIBRIA; appearance; colour; pattern; separability |
| Subjects: | 100 Philosophy & psychology > 150 Psychology |
| Divisions: | Human Sciences > Institut für Psychologie > Lehrstuhl für Psychologie IV (Entwicklungs- und Kognitionspsychologie) - Prof. Dr. Karl-Heinz Bäuml |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 29 Jun 2023 06:02 |
| Last Modified: | 29 Jun 2023 06:02 |
| URI: | https://pred.uni-regensburg.de/id/eprint/51531 |
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