1999 | OriginalPaper | Buchkapitel
Fast Geodesic Active Contours
verfasst von : Roman Goldenberg, Ron Kimmel, Ehud Rivlin, Michael Rudzsky
Erschienen in: Scale-Space Theories in Computer Vision
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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We use an unconditionally stable numerical scheme to im- plement a fast version of the geodesic active contour model. The proposed scheme is useful for object segmentation in images, like tracking moving objects in a sequence of images. The method is based on the Weickert- Romeney-Viergever [33] AOS scheme. It is applied at small regions, mo- tivated by Adalsteinsson-Sethian [1] level set narrow band approach, and uses Sethian’s fast marching method [26] for re-initialization. Experimen- tal results demonstrate the power of the new method for tracking in color movies.