Characteristics of color memory for natural scenes.
- 1 August 2002
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America A
- Vol. 19 (8), 1501-1514
- https://doi.org/10.1364/josaa.19.001501
Abstract
To study the characteristics of color memory for natural images, a memory-identification task was performed with differing color contrasts; three of the contrasts were defined by chromatic and luminance components of the image, and the others were defined with respect to the categorical colors. After observing a series of pictures successively, subjects identified the pictures using a confidence rating. Detection of increased contrasts tended to be harder than detection of decreased contrasts, suggesting that the chromaticness of pictures is enhanced in memory. Detecting changes within each color category was more difficult than across the categories. A multiple mechanism that processes color differences and categorical colors is briefly considered.Keywords
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