The Influence of Luminance Level on Visual Sensitivity to Color Differences*

1951 ◽  
Vol 41 (10) ◽  
pp. 684 ◽  
Author(s):  
W. R. J. Brown
Keyword(s):  
Luminance Level ◽  
Visual Sensitivity ◽  
Color Differences

scholarly journals What Color Does the Consumer See? Perceived Color Differences in Plastic Products in an LED-Lit Environment

2019 ◽  
Vol 11 (21) ◽  
pp. 5985 ◽  
Author(s):  
Xiao Dou ◽  
Chih-Fu Wu ◽  
Kai-Chieh Lin ◽  
Jeih-Jang Liou
Keyword(s):  
Acrylonitrile Butadiene Styrene ◽  
Visual Sensitivity ◽  
Color Temperature ◽  
Light Sources ◽  
Color Differences ◽  
Market Opportunities ◽  
Actual Color ◽  
Human Eyes ◽  
Perceived Color ◽  
Plastic Products

To attract customers and increase market opportunities, retailers frequently use lighting to highlight the color of their products. However, differences between perceived and actual color, triggered by display lighting, can motivate buyers to discard products after purchase. Few studies have been reported on differences in perceived color, caused by LEDs. This study focuses on two correlated color temperatures (2800 K, 4000 K) and illuminance levels (500 lx, 1500 lx) to create four LED-lit environments, and measures the differences in the color perceived by 20 observers on acrylonitrile–butadiene–styrene (ABS) plastics, with different surfaces, under these four environments. The results reveal that correlated color temperature results in larger perceived differences in color than illuminance, and the effects of LED light sources on green and yellow ABS plastic products are more obvious than their effects on red and blue products. One possible reason for this can be attributed to the visual sensitivity effect of human eyes. The results of this study can serve as a reference for designers fabricating ABS plastic products for practical lighting applications, and improving the role of LED lighting in sustainable development.

Visual sensitivity of dynamic graphical objects

2005 ◽  
Author(s):  
Munira Jessa ◽  
Catherine M. Burns
Keyword(s):  
Visual Sensitivity

Effect of zinc on the visual sensitivity of the bullfrog's eye

2000 ◽  
Vol 14 (2) ◽  
pp. 53 ◽  
Author(s):  
H J Kim ◽  
Y Y Kim ◽  
S Y Kim
Keyword(s):  
Visual Sensitivity

Effects of Black Luminance Level on Image Quality

2019 ◽  
Vol 2019 (1) ◽  
pp. 104-107
Author(s):  
Ye Seul Baek ◽  
Youngshin Kwak ◽  
Sehyeok Park
Keyword(s):  
Image Quality ◽  
Luminance Level ◽  
Psychophysical Experiment ◽  
Image Histogram ◽  
Affect Image Quality ◽  
Low Luminance ◽  
Black Level ◽  
Oled Display ◽  
Dark Room

The image quality is affected by the black luminance level of the image. This research aimed to investigate how low luminance levels are required to maintain image quality. The psychophysical experiment was carried out in a dark room using OLED display. Total of 6 different black luminance levels (0.003, 0.05, 0.1, 0.2, 0.3, and 1 cd/m2) were used in the experiment. Total of 20 participants was invited to evaluate the image quality. For the experiment, twelve test images are used and these test images categorized into three groups as dark, medium bright and bright image group by image histogram distribution. Each image is rendered by adjusting six different black luminance levels. Result found that the black level is higher than 0.1 cd/m2, the preference for the image is decreased. The best performance is achieved when the black level is 0.003 cd/m2, but there is no big difference from 0.1 cd/m2. The final result shows that a change in black level between about 0.003 cd/m2 and 0.1 cd/m2 does not significantly affect image quality.

Perceptually Equivalent Luminance Level of Large-screen TVs

2016 ◽  
Vol 2016 (1) ◽  
pp. 142-146 ◽  
Author(s):  
Taeseong Han ◽  
Sungjin Kim ◽  
Dongwoo Kang
Keyword(s):  
Luminance Level ◽  
Large Screen
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