Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/72327
Título: A real time morphological snakes algorithm
Autores/as: Alvarez, Luis 
Baumela, Luis
Marquez-Neila, Pablo
Henríquez Castellano, Pedro 
Clasificación UNESCO: 1206 Análisis numérico
120601 Construcción de algoritmos
Palabras clave: Snakes
Fecha de publicación: 2012
Publicación seriada: Image Processing On Line 
Resumen: Active contours, or snakes, are computer-generated curves that move within images to find out salient image structures like object boundaries. Energy based formulations using a level set approach have been successfully used to model the snake evolution. The Euler-Lagrange equation associated to such energies yields to partial differential equations (PDE) which are usually solved using level set methods which involve contour distance function estimation and standard methods to discretize the PDE. Recently we have proposed a morphological approach to snake evolution. First, we observe that the differential operators used in the standard PDE snake models can be approached using morphological operations. By combining the morphological operators associated to the PDE components we achieve a new morphological approach to the PDE snakes evolution. This new approach is based on numerical methods which are very simple and fast. Moreover, since the level set is just a binary piecewise constant function, this approach does not require to estimate a contour distance function to define the level set. In this paper we present an algorithm to compute morphological snake evolution in real time.
URI: http://hdl.handle.net/10553/72327
ISSN: 2105-1232
DOI: 10.5201/ipol.2012.abmh-rtmsa
Fuente: Image Processing On Line ISSN [ 2105-1232], v. 2, p. 1-7, (2012)
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