Spectral Based Color Correction Technique Compatible with Standard RGB System |
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Authors: | Kunlaya Cherdhirunkorn Norimichi Tsumura Toshiya Nakaguchi Yoichi Miyake |
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Institution: | (1) Department of Information and Image Sciences, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan;(2) PRESTO, Japan Science and Technology Corporation, 4-1-8 Honmachi, Kawaguchi, Saitama 332-0012, Japan |
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Abstract: | A spectral turn method is presented as a spectral based color correction method compatible with the standard RGB system by
applying the idea of a multi-spectral method. The multi-spectral based color reproduction technique has been proposed for
providing independent color of device and viewing conditions. However, it is difficult to replace the RGB devices with high
cost multi-spectral devices since the latter have advanced only to the laboratory level. In the proposed method, the standard
RGB values are converted into spectral information, then returned to RGB values for different viewing conditions. This process
provides more accurate reproduction than the conventional forward process of the color reproduction. An experiment of psychophysical
color matching was performed to evaluate the technique. The mixed chromatic adaptation model was applied to the method in
the experiment, and the results showed the effectiveness of the proposed method. |
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Keywords: | color reproduction multi-spectral imaging sRGB E-commerce |
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