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Proceedings Paper

Evaluating the uniformity of color spaces and performance of color difference formulae
Author(s): Yusheng Lian; Ningfang Liao; Jiajia Wang; Boneng Tan; Zilong Liu
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Paper Abstract

Using small color difference data sets (Macadam ellipses dataset and RIT-DuPont suprathreshold color difference ellipses dataset), and large color difference data sets (Munsell Renovation Data and OSA Uniform Color Scales dataset), the uniformity of several color spaces and performance of color difference formulae based on these color spaces are evaluated. The color spaces used are CIELAB, DIN99d, IPT, and CIECAM02-UCS. It is found that the uniformity of lightness is better than saturation and hue. Overall, for all these color spaces, the uniformity in the blue area is inferior to the other area. The uniformity of CIECAM02-UCS is superior to the other color spaces for the whole color-difference range from small to large. The uniformity of CIELAB and IPT for the large color difference data sets is better than it for the small color difference data sets, but the DIN99d is opposite. Two common performance factors (PF/3 and STRESS) and the statistical F-test are calculated to test the performance of color difference formula. The results show that the performance of color difference formulae based on these four color spaces is consistent with the uniformity of these color spaces.

Paper Details

Date Published: 15 November 2010
PDF: 11 pages
Proc. SPIE 7852, LED and Display Technologies, 785205 (15 November 2010);
Show Author Affiliations
Yusheng Lian, Beijing Institute of Technology (China)
Ningfang Liao, Beijing Institute of Technology (China)
Jiajia Wang, Beijing Institute of Technology (China)
Boneng Tan, Beijing Institute of Technology (China)
Zilong Liu, Beijing Institute of Technology (China)
National Institute of Metrology (China)

Published in SPIE Proceedings Vol. 7852:
LED and Display Technologies
Gang Yu; Yanbing Hou, Editor(s)

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