T. Iwanami, A. Kikuchi, T. Kaneko, K. Hirai, N. Yano, T. Nakaguchi, N.
Tsumura, Y. Yoshida, Y. Miyake
Journal of lmaging Science & Technology, Vol.55, No.1, pp.010502-(8), Jan. 2011.
Abstract
In the present article we analyze the relationship between ambient illuminations
and psychological effects while viewing still images displayed on a liquid
crystal display (LCD). In two experiments, six kinds of images were displayed
on the LCD under different brightness of illumination conditions and were
rated by 15 observers, and four kinds of images were displayed under different
colors of illumination conditions and were rated by 27 observers. The semantic
differential method and factor analysis method are introduced to analyze
the subjective evaluation. It is shown that comfort in viewing is enhanced
according to the increase in brightness of the ambient illumination. Particularly,
realistic sensation and dynamism are enhanced while retaining comfort with
the illumination behind the LCD. It is also shown that realistic sensation
and dynamism and comfort are enhanced under the illumination of average
chromaticity of displayed images.
[PDF] ( to appeare )