From snakes to region-based active contours defined by region-dependent parameters

Stéphanie Jehan-Besson 1 Muriel Gastaud 2 Frédéric Precioso 2 Michel Barlaud 2 Gilles Aubert 3 Eric Debreuve 2
1 Equipe Image - Laboratoire GREYC - UMR6072
GREYC - Groupe de Recherche en Informatique, Image, Automatique et Instrumentation de Caen
2 Laboratoire d'Informatique, Signaux, et Systèmes de Sophia-Antipolis (I3S) / Equipe IMAGES-CREATIVE
SIS - Signal, Images et Systèmes
3 JAD - Laboratoire Jean Alexandre Dieudonné
Abstract : This synthetic paper deals with image and sequence segmentation when looking at the segmentation task from a criterion optimization point of view. Such a segmentation criterion involves so-called (boundary and region) descriptors which, in the general case, may depend on their respective boundary or region. This dependency must be taken into account when computing the criterion derivative with respect to the unknown object domain (defined by its boundary). If not, some correctional terms may be omitted. This article focuses computing the derivative of the segmentation criterion using a dynamic scheme. The presented scheme is general enough to provide a framework for a wide variety of applications in segmentation. It also provides a theoretical meaning to the active contour philosophy.
Keywords : 100.2960 100.2000 100.5010
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Article dans une revue
Applied optics, Optical Society of America, 2004, 43 (2), pp.247-256. <10.1364/AO.43.000247>
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Stéphanie Jehan-Besson, Muriel Gastaud, Frédéric Precioso, Michel Barlaud, Gilles Aubert, et al.. From snakes to region-based active contours defined by region-dependent parameters. Applied optics, Optical Society of America, 2004, 43 (2), pp.247-256. <10.1364/AO.43.000247>. <hal-00331466>

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