System and method for body extraction in medical image volumes

Details System and method for body extraction in medical image volumes System and method for body extraction in medical image volumes

G - Physics

06

T

G06T 5/00 (2006.01)

Patent

CA 2617227

A method for identifying non-body structures in digitized medical images including the steps of providing a digitized image comprising a plurality of intensities corresponding to a domain of points on an N-dimensional grid, wherein said image includes a representation of a body and of non-body structures separate from said body, initializing (11) a surface in said image on a side of said non-body structures opposite from said body, defining (13) a plurality of forces acting on said surface, and displacing (14) said surface through said non-body structures using said forces until said body is encountered.

L'invention concerne un procédé servant à identifier des structures non corporelles dans des images médicales numérisées. Le procédé selon l'invention comprend les étapes suivantes : fourniture d'une image numérisée comprenant une pluralité d'intensités correspondant à un domaine de points sur une grille à N dimensions, cette image incluant une représentation d'un corps et de structures non corporelles distinctes de ce corps ; initialisation (11) d'une surface dans cette image sur un côté des structures non corporelles à l'opposé du corps ; définition (13) d'une pluralité de forces agissant sur cette surface ; déplacement (14) de cette surface à travers ces structures non corporelles à l'aide de ces forces jusqu'à ce que le corps soit atteint.

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