Azimuth-invariant mueller-matrix differentiation of the optical anisotropy of biological tissues |
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Authors: | V. A. Ushenko M. I. Sidor Yu. F. Marchuk N. V. Pashkovskaya D. R. Andreichuk |
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Affiliation: | 1. Chernovtsy National University, Chernovtsy, 58012, Ukraine 2. Department of Optics and Spectroscopy, Chernovtsy National University, Chernovtsy, 58012, Ukraine 3. Bukovina State Medical University, Chernovtsy, 58000, Ukraine
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Abstract: | A Mueller-matrix model is proposed for analysis of the optical anisotropy of protein networks of optically thin nondepolarizing layers of biological tissues with allowance for birefringence and dichroism. The model is used to construct algorithms for reconstruction of coordinate distributions of phase shifts and coefficient of linear dichroism. Objective criteria for differentiation of benign and malignant tissues of female genitals are formulated in the framework of the statistical analysis of such distributions. Approaches of evidence-based medicine are used to determine the working characteristics (sensitivity, specificity, and accuracy) of the Mueller-matrix method for the reconstruction of the parameters of optical anisotropy and show its efficiency in the differentiation of benign and malignant tumors. |
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