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곽영신

Kwak, Youngshin
Color & Imaging Sciecne Lab.
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Hue and warm-cool feeling as the visual resemblance criteriafor iso-CCT judgment

Author(s)
Oh, SeminKwak, Youngshin
Issued Date
2019-04
DOI
10.1002/col.22324
URI
https://scholarworks.unist.ac.kr/handle/201301/25569
Fulltext
https://onlinelibrary.wiley.com/doi/full/10.1002/col.22324
Citation
COLOR RESEARCH AND APPLICATION, v.44, no.2, pp.176 - 183
Abstract
The hue perception and ‘warm‐cool’ feelings were investigated, in response to various lighting settings, following the adaptation to either 3500K or 5000K to compare which one—between conventional iso‐Correlated Color Temperature (CCT) and a new one based on CIE u'v′ color space—is more compatible with the visual perception. Twenty participants evaluated hue and warm‐cool feelings for 48 test lighting settings, by observing an empty gray booth. The results showed that yellow‐blue and ‘warm‐cool’ feelings are closely located around the Planckian locus, while red‐green roughly follows the line orthogonal to the Planckian locus in CIE u'v′ color space, at both 3500 K and 5000 K settings. This suggests that u'v′ color space correlates better with human perception.
Publisher
WILEY-BLACKWELL
ISSN
0361-2317
Keyword (Author)
chromatic adaptationcolor appearancecolor emotioncorrelated color temperature

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