| 摘要 |
FIELD: information technology.SUBSTANCE: invention can be used for formation of attenuation correction map. Invention consists in that image providing unit provides an image of an object comprising different element classes and a segmentation unit applies a segmentation to image for generating a segmented image comprising image regions corresponding to element classes. Segmentation is based on at least one of a watershed segmentation and a body contour segmentation based on a contiguous skin and fat layers in image. Feature determination unit determines features of at least one of a) image regions and b) boundaries between image regions depending on image values of image and an assigning unit assigns attenuation values to image regions based on determined features for generating the attenuation correction map.EFFECT: technical result is possibility of generating high-quality attenuation correction map.15 cl, 34 dwg |
