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- W2743796801 abstract "This paper presents and compares two methods for automatic segmentation of computed tomography (CT) head images of human spontaneous intracerebral brain hemorrhage (ICH). Both methods have a hierarchical structure with two-level: the higher and the lower level. The first method is based on unsupervised fuzzy C-means (UFCM) and image labeling algorithm. The second method is based on UFCM and rule-based systems. The methods segment the input CT image at the higher level into a number of spatially localized regions having uniform brightness. The UFCM algorithm is used to break the input CT images. A label from the predefined label set is assigned to each of the regions obtained by UFCM. The first method performs labeling using backtracking tree search as an image labeling algorithm while the second method uses a rule-based system. The label set is composed of these labels: background, skull, brain, ICH, and calcifications. The lower segmentation level uses results of the higher segmentation level to perform further segmentation of the brain region and localization of fine structures in the brain region such as edema region. The UFCM algorithm is used by the first method to segment brain region into the edema region, ventricle, and the rest of the brain. The second method uses rule-based system to refine the ICH region and to localize the edema region. The methods have been compared and tested on real CT head images." @default.
- W2743796801 created "2017-08-17" @default.
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- W2743796801 date "1996-01-01" @default.
- W2743796801 modified "2023-09-26" @default.
- W2743796801 title "Two Methods for ICH Segmentation" @default.
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