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Linking visual appearance of skin to the underlying optical properties using multispectral imaging

Underlying optical properties linked to the visual appearance of skin was studied by obtaining reflectance images using a multispectral imaging system. The analysis of the resulting reflectance spectra yields the melanin content M (volume fraction of melanosome in the pigmented epi-dermis), the blood content B (average volume fraction of whole blood in skin), oxygen saturation level S, water content W (average volume fraction of water in tissue) and the reduced scattering μ's500 at 500 nm. The spatial map of the optical properties can now be linked to the visual appearance of the skin.