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The work is dedicated to the segmentation problem of human nasal airways using Cone Beam Computed Tomography. During research, we propose a specialized approach of structured segmentation of nasal airways. That approach use spatial information, symmetrisation of the structures. The proposed stages can be used for construction a virtual three dimensional model of nasal airways and for production full-scale personalized atlases. During research we build the virtual model of nasal airways, which can be used for construction specialized medical atlases and aerodynamics researches.

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The results of algorithmic approbation of the technique of polarization tomography digital histological study of the age of damage to the myocardium and lung tissue based on the polarization reconstruction of linear birefringence maps are presented. Relationships between the temporal change in the magnitude of statistical moments of 1-4 orders characterizing the distribution of the magnitude of the degree of crystallization of histological sections of the myocardium and lung tissue and the duration of damage were determined. Established time intervals and accuracy of determining the prescription of damage to the myocardium and lung tissue.