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Search results with tag "Active contour models"
Snakes: Active contour models
www.cs.ait.ac.thforces that pull it toward features such as lines and edges. Snakes are active contour models: they lock onto nearby edges, localizing them accurately. Scale-space continuation can be used to enlarge the cap- ture region surrounding a feature. Snakes provide a unified account of a number of visual problems, in-
Active contours without edges - Image Processing, IEEE ...
www.math.ucla.eduIn the classical snakes and active contour models (see [9], [3], [13], [4]), an edge-detector is used, depending on the gradient of the image , to stop the evolving curve on the boundary of the desired object. We briefly recall these models next. The snake model [9] is: , where (1) Here, , and are positive parameters. The first two terms