Technical note: Usability evaluation of the modified CIE1976 uniform-chromaticity scale for assessing image quality of visual display monitors
- Authors
- Lee, W; Kim, S; Lee, S; Kim, S
- Issue Date
- 2003
- Publisher
- JOHN WILEY & SONS INC
- Citation
- HUMAN FACTORS AND ERGONOMICS IN MANUFACTURING, v.13, no.1, pp 85 - 95
- Pages
- 11
- Journal Title
- HUMAN FACTORS AND ERGONOMICS IN MANUFACTURING
- Volume
- 13
- Number
- 1
- Start Page
- 85
- End Page
- 95
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/22609
- DOI
- 10.1002/hfm.10029
- ISSN
- 1090-8471
1520-6564
- Abstract
- White uniformity indicates the degree of uniform distribution of white color across the display screen and is one of the important inspection factors determining the image quality of a visual display unit (VDU). Experiments in which participants were confronted with 6 evaluation points embedded in 3 measurement groups on a VDU screen were conducted to gather the psychophysical data that include the levels of white uniformity obtained from participants and a colorimetric system (CA-100). In an accuracy test, 37.12% of the participants showed the same conclusion led by the original CIE1976 criteria, and 62.88% of the participants showed the same conclusion led by the modified equation. In magnitude estimation evaluating the display's white uniformity, the magnitude score of the modified equation (0.36) was significantly larger than that of the original equation (0.32). It was concluded that the modified equation is more sensitive to the change of white uniformity. (C) 2003 Wiley Periodicals, Inc.
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