This patent includes a method and apparatus for assigning a three-dimensional coordinate system to a segmented structure of a three-dimensional imaging examination of a tangible volume containing discrete structures. The boundary of a segmented structure, which corresponds to a discrete structure is determined through a segmentation algorithm. The assigned three-dimensional coordinate system has an origin and a set of coordinate axes. This allows each voxel within the segmented structure of the three-dimensional imaging examination to have a precise coordinate. This provides improved longitudinal analysis and more precise localization within the segmented structure.
Method and apparatus for assigning a coordinate system to a segmented structure