Regression-based model of skin diffuse reflectance for skin color analysis |
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Authors: | Norimichi Tsumura Daisuke Kawazoe Toshiya Nakaguchi Nobutoshi Ojima 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) Kao Corporation, 2-1-3 Bunka, Sumida-ku, Tokyo 131-8501, Japan |
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Abstract: | A simple regression-based model of skin diffuse reflectance is developed based on reflectance samples calculated by Monte
Carlo simulation of light transport in a two-layered skin model. This reflectance model includes the values of spectral reflectance
in the visible spectra for Japanese women. The modified Lambert Beer law holds in the proposed model with a modified mean
free path length in non-linear density space. The averaged RMS and maximum errors of the proposed model were 1.1 and 3.1%,
respectively, in the above range. |
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Keywords: | skin reflectance regression modified Lambert Beer law |
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