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This paper presents a prototype segmentation system for three-dimensional ultrasound data. 3D ultrasound is cheap and non-nvasive but the data has a low signal-to-noise ratio and contains artifacts. To overcome these difficulties we have developed a system which uses a prior model, initialised by a clinician, to provide the starting point for a data-driven segmentation algorithm based on active contours. Results are presented showing how the technique can facilitate the segmentation of a gall-bladder.

Interactive segmentation of 3D ultrasound using deformable solid models and active contours