Semi-automatic Active Contour Approach to Segmentation of Computed Tomography Volumes (CROSBI ID 475995)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Lončarić, Sven ; Kovačević, Domagoj ; Sorantin, Erich
engleski
Semi-automatic Active Contour Approach to Segmentation of Computed Tomography Volumes
In this paper a method for three-dimensional (3-D) semi-automatic segmentation of volumes of medical images is described. The method is semi-automatic in the sense that, in the initial phase, the user assistance is required for manual segmentation of a certain number of slices (cross-sections) of the volume. In the second phase, the algorithm for automatic segmentation is started. The segmentation algorithm is based on the active contour approach. A semi 3-D active contour algorithm is used in the sense that additional inter-slice forces are introduced in order to constrain the obtained solution. The energy function which is minimized is modified to exploit information provided by the manual segmentation of some of the slices performed by the user. The experiments have been performed using computed tomography (CT) scans of the abdominal region of the human body. In particular, CT images of abdominal aortic aneurysms have been segmented to determine the location of aorta. The experiments have shown the feasibility of the approach.
image segmentation; active contour; image analysis;aortic aneurysm; medical imaging
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Podaci o prilogu
917-924-x.
2000.
objavljeno
Podaci o matičnoj publikaciji
Proceedings of SPIE Medical Imaging
Hanson, Kenneth M.
SPIE
Podaci o skupu
Medical Imaging 2000
predavanje
14.02.2000-17.02.2000
San Diego (CA), Sjedinjene Američke Države