Light reflection spectra as a diagnostic tool for the structural and biophysical parameters of skin |
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Authors: | A. P. Ivanov V. V. Barun |
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Affiliation: | (1) Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, 220072, Belarus |
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Abstract: | The calculation scheme and the diagnostic algorithm for diagnosing the structural and biophysical parameters of skin from the spectrum of reflected radiation are constructed. The sought parameters are determined from the solution of the spectroscopic problem under conditions of multiple scattering. The method presented is based on the previously proposed model of the spectral properties of a tissue and on the engineering approaches to the solution of the transfer equation. The sought parameters are the volume concentrations of melanin and capillaries, the thickness of epidermis, the average diameter of capillaries, and the degree of blood oxygenation. In order to optimize the algorithm with respect to wavelength and to elaborate the experimental diagnostic scheme, the sensitivity of the reflection spectrum to the sought parameters is studied. The procedure of their successive restoration is proposed. |
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