Segmentation of structure in medical images is an important research topic. It has applications in patient diagnoses, image-guided surgery, and medical data visualization. One approach to solving this problem is the use of active contours or \snakes" to segment objects of interest. We demonstrate two active contour models, one based on an edge-stopping function, while the other is an energy minimization algorithm. The rst method can only dete

11Vol33No2.pdf

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