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The method of bilateral filtering of digital X-ray medical images has been improved by automatic selection of the filter kernel parameters, namely the standard deviations of the bilateral filter kernel in the spatial region and in the region of brightness. The parameters of the filter kernel are calculated using the noise level in the image and the average spatial period of the image. Its standard deviation is used as the noise level. The mean spatial period of an image is calculated by itsdblp:conf/intelitsis/BalovsyakBmOS21 fatcat:qmznkkye5rh2jj2p4xs5q6efiy