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Attributes of color represented by a spherical model

[+] Author Affiliations
Tieling Chen

Wuhan Textile University, China, School of Mathematics and Computer Science, 1 Textile Road, Wuhan, Hubei 430073, China

University of South Carolina Aiken, Department of Mathematical Sciences, 471 University Parkway, Aiken, South Carolina 29801

Jun Ma

Wuhan Textile University, China, School of Mathematics and Computer Science, 1 Textile Road, Wuhan, Hubei 430073, China

Zhongmin Deng

Wuhan Textile University, China, School of Textile and Material, 1 Textile Road, Wuhan, Hubei 430073, China

J. Electron. Imaging. 22(4), 043032 (Dec 18, 2013). doi:10.1117/1.JEI.22.4.043032
History: Received May 12, 2013; Revised October 8, 2013; Accepted October 30, 2013
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Abstract.  The paper introduces a spherical coordinate system-based color model and studies the color change in the model. A circular cone with a spherical top tightly circumscribing the RGB color cube is equipped with a properly rotated spherical coordinate system. Similar to the commonly used color models with a hue component such as the HSV model, the spherical model specifies color by describing the color attributes recognized by human vision, using the components of the spherical coordinate system. The formulas of conversions between the spherical model and the RGB color model are provided, which are mathematically simpler and more intuitively understandable than those for commonly used models with a hue component. Most importantly, color changes are perceptually smoother in the spherical model. Comparisons between the spherical model and the HSV model on color changes are made in the paper.

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© 2013 SPIE and IS&T

Citation

Tieling Chen ; Jun Ma and Zhongmin Deng
"Attributes of color represented by a spherical model", J. Electron. Imaging. 22(4), 043032 (Dec 18, 2013). ; http://dx.doi.org/10.1117/1.JEI.22.4.043032


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