Fifty-four spectral reflectances of skin colors (facial pattern of Japanese women) were measured and analyzed by the principal component analysis. The results indicate that the reflectance spectra can be estimated approximately 99% by only three principal components. Based on the experimental results, it is shown that the spectral reflectance of all pixels in skin can be calculated from the R, G, B signals of HDTV (High Definition Television) camera.Computer simulations of color reproduction in skin color have been developed in both colorimetric color reproduction and color appearance models by von Kries, LAB and Fairchild. The obtained color reproduction in facial pattern and skin color patch under different illuminants are analyzed. Those reproduced color images were compared by memory matching method. The difference of appearance models is described and the difference of appearance between skin color patch and facial pattern is also discussed and analyzed.
Francisco Hideki Imai, Norimichi Tsumura, Hideaki Haneishi, Yoichi Miyake, "Spectral Reflectance of Skin Color and its Applications to Color Appearance Modeling" in Proc. IS&T 4th Color and Imaging Conf., 1996, pp 121 - 124, https://doi.org/10.2352/CIC.1996.4.1.art00032