Performance of a color-difference formula based on OSA-UCS space using small-medium color differences
JOSA A, Vol. 23, Issue 9, pp. 2077-2084 (2006)
http://dx.doi.org/10.1364/JOSAA.23.002077
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Abstract
An investigation of the color metrics and the complexity of the CIEDE2000 formula shows that CIELAB space is inadequate to represent small–medium color differences. The OSA-UCS (Uniform Color Space) Committee has shown that no space with uniform scale for large color differences exists. Therefore the practical way for color-difference specification is a color-difference formula in a nonuniform space. First, the BFD (Bradford University) ellipses are considered in the OSA-UCS space, and their very high regularity suggests a new and very simple color-difference formula at constant luminance. Then the COM (combined) data set used for the development of the CIEDE2000 formula is considered in the OSA-UCS space, and the color-difference formula is extended to sample pairs with a different luminance factor. The value of the performance factor
© 2006 Optical Society of America
OCIS Codes
(330.1690) Vision, color, and visual optics : Color
(330.1710) Vision, color, and visual optics : Color, measurement
(330.1720) Vision, color, and visual optics : Color vision
(330.1730) Vision, color, and visual optics : Colorimetry
ToC Category:
Vision, Color, and Visual Optics
History
Original Manuscript: June 10, 2005
Revised Manuscript: December 18, 2005
Manuscript Accepted: December 29, 2005
Virtual Issues
Vol. 1, Iss. 10 Virtual Journal for Biomedical Optics
Citation
Rafael Huertas, Manuel Melgosa, and Claudio Oleari, "Performance of a color-difference formula based on OSA-UCS space using small-medium color differences," J. Opt. Soc. Am. A 23, 2077-2084 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=josaa-23-9-2077
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