Description: 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
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