Fernando A. Velasco

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Snakes are active contours that minimize an energy function. We present a new kind of active contours called “Sandwich Snakes”. They are formed by two snakes, one inside and the other outside of the curve that one is looking for. They have the same number of particles, which are connected in one-to-one correspondence. At the minimum the two snakes have the(More)
Snakes are active contours that minimize an energy function. In this paper we introduce a new kind of snakes, called growing snakes. These snakes are modeled as a set of particles connected by thin rods. Unlike the traditional snakes, growing snakes are automatically initialized. They start at the position where the gradient magnitude of an image is(More)
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