Image analysis – Applications – Biomedical applications
Reexamination Certificate
2011-03-22
2011-03-22
Tabatabai, Abolfazl (Department: 2624)
Image analysis
Applications
Biomedical applications
C382S173000
Reexamination Certificate
active
07912266
ABSTRACT:
A method for segmenting tubular structures in medical images includes providing at least a start point and an end point in a digital image volume, minimizing an action surface U0(p) which, at each image point p, corresponds to a minimal energy integrated along a path that starts at start point p0and ends at p, sliding back on the minimal action surface from an end point to the start point to find a minimal path connecting the terminal points, initializing a level set function with points on the minimal path, and evolving the level set function to find a surface of a structure about the minimal path, wherein the level set function is constrained to be close to a signed distance function and wherein the level set function is prevented from growing wider than a predetermined diameter R, wherein the surface about the minimal path defines a tubular structure.
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Fahmi Rachid
Jerebko Anna
Wolf Matthias
Siemens Medical Solutions USA , Inc.
Tabatabai Abolfazl
Withstandley Peter
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