System and method for coronary segmentation and visualization

Details System and method for coronary segmentation and visualization System and method for coronary segmentation and visualization

2011-08-02

2011-08-02

Nguyen, Kimbinh T (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

C345S419000, C345S420000, C345S427000, C345S441000, C345S442000, C382S128000, C382S130000, C382S131000, C382S173000, C600S410000, C703S011000

Reexamination Certificate

active

07990379

ABSTRACT:
A method of coronary vessel segmentation and visualization includes providing a digitized coronary image, placing a plurality of seed points along an estimated centerline of a coronary vessel, selecting a seed point and constructing a cyclic graph around the seed point in a plane perpendicular to the centerline at the seed point, performing a multi-scale-mean shift filtering in the perpendicular plane to estimate image gradient values, detecting a vessel boundary using a minimum-mean-cycle optimization that minimizes a ratio of a cost of a cycle to a length of a cycle, constructing a sub-voxel accurate vessel boundary about a point on the centerline, and refining the location of the centerline point from the sub-voxel accurate boundary, where the steps of constructing a sub-voxel accurate vessel boundary and refining the centerline point location are repeated until convergence.

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