Region growing in anatomical images

Details Region growing in anatomical images Region growing in anatomical images

2008-07-08

2008-07-08

Desire, Gregory M (Department: 2624)

Image analysis

Applications

Biomedical applications

C382S131000, C382S154000, C600S481000

Reexamination Certificate

active

07397937

ABSTRACT:
A region-growing method for identifying nodules in an anatomical volume segments a 3-D image volume by controlled voxel growth from seed points. The process is based on creation and use of a distance map for tracking the distance of vessel voxels from a predetermined location. A volume map is created that identifies the largest sphere that can pass between a voxel and a predetermined location without touching a non-vessel voxel. The ratio between the distance map and the volume map is analyzed to find regions more likely to contain nodules, the features of which can be extracted or otherwise highlighted.

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