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A Model of Luminance-Adaptation for Quantifying Brightness in Mixed Visual Adapting Conditions

Sung-Hak LEE, Kyu-Ik SOHNG

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Summary :

The color appearance model gives us the proper brightness information and optimized display conditions for various viewing surroundings. However on conditions of low-level illumination or low background reflectivity, the performance of brightness estimation is relatively poor. Therefore, through our psychophysical experiments, we investigated the state of visual luminance adaptation for comparing single adaptations and mixed adaptations under a complex viewing field, and we also investigated background adaptation degrees and exponential nonlinearity factors for mixed adaptation models. It provides more accurate brightness predictions according to different adapting luminance, which is decided from object and background luminance.

Publication
IEICE TRANSACTIONS on Electronics Vol.E94-C No.11 pp.1768-1772
Publication Date
2011/11/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E94.C.1768
Type of Manuscript
BRIEF PAPER
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