system and method \u043c\u043d\u043e\u0433\u043e\u0444\u0430\u0437\u043d\u043e\u0439 segmentation \u0437\u0430\u0448\u0443\u043c\u043b\u0435\u043d\u043d\u044b\u0445 3d x-ray tomography images of porous material, \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u0443\u044e\u0449\u0438\u0439 with \u0433\u043b\u0430\u0436\u0438\u0432\u0430\u043d\u0438\u0435 database that collates the three-dimensional x-ray small images to get a standardized image intensity, with \u0435\u0433\u043c\u0435\u043d\u0442\u0438\u0440\u0443\u0435\u0442 standardized image intensity at least in three phases.calculates the volume fraction and spatial distribution of \u0441\u0435\u0433\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 phases and compares them with the target values and, if the fraction is not enough b \u043b\u0438\u0437\u043a\u0438 target values repeats necessary stages of segmentation, while the volume fractions are within a pre-defined tolerance for target \u0437\u043d\u0430\u0447\u0435\u043d\u0438 j.the calculation of the average segmentation include median \/ filtered gradient image normalized image intensity, cpn \u0430\u043d\u0438\u0435 schedule dependence of intensity from the gradient of the median \/ median filtered image and gradient image and standardized \u043d\u0442\u0435\u043d\u0441\u0438\u0432\u043d\u043e\u0441\u0442\u0438,the schedule dependency of the intensity of at least 3 area, using the thresholds defining areas for segmenting \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0438\u0437\u0438\u0440\u043e bedroom \u043f\u043e\u043b\u0443\u0442\u043e\u043d\u043e\u0432\u043e\u0433\u043e images to create \u0441\u0435\u0433\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 image, and the use of the filter \u0434\u0435\u0441\u043f\u0435\u043a\u043b\u0435\u0440\u0430 to remove noise from a segmented whoa.Система и способ многофазной сегментации зашумленных трехмерных рентгеновских томографических изображе
