Image analysis – Applications – Biomedical applications
Reexamination Certificate
2007-03-12
2010-12-28
Kim, Charles (Department: 2624)
Image analysis
Applications
Biomedical applications
Reexamination Certificate
active
07860290
ABSTRACT:
A method for producing three-dimensional images of a blood vessel. A first set of seed points is placed along a first estimate of a centerline of the vessel. A cyclic graph is constructed around a first one of the seed points in a plane passing through the seed points. The graph comprises a plurality of nodes, with edges connecting the nodes. The nodes are disposed at equally spaced intervals about each one of a circumference of plurality of concentric circles centered at the seed point The method applies filtering such as multi-scale mean shift intensity detection orthogonal to the edges of the cyclic graph to thereby estimate a boundary of the vessel. A new center of the estimated boundary is determined to thereby generate a new seed point. The process is repeated using the new seed point to thereby generate a final boundary of the vessel in the plane.
REFERENCES:
patent: 2003/0031351 (2003-02-01), Yim
patent: 2008/0273777 (2008-11-01), Luboz et al.
patent: WO 03046835 (2003-06-01), None
Tek H., u. a.: “Multi-scale Vessel Boundary Detection”. In: Computer Vision for Biomedical Image Application, CVBIA 2005, First International Workshop, Beijing, China, Oct. 21, 2005, Proceedings, S. 388 bis 398.
Tek H., u.a.: “Vessel Detection by Mean Shift Based Ray Propagation”. In: IEEE Workshop on Mathematical Methods in Biomedical Image Analysis, MMBIA 2001, Dec. 9-10. 1001, S. 228 bis 235.
Gulsun Mehmet Akif
Tek Huseyin
Kim Charles
Paschburg Donald B.
Siemens Medical Solutions USA , Inc.
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