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Comparison between subvoxel and whole voxel cutting. (a) Coronal view of a CT scan of an IDS. (b) Lateral view of the 3D surface reconstruction of the registered right-hand side syndesmophytes. View of the registered syndesmophyte upper surfaces after (c) subvoxel and (d) whole voxel cutting from the vertebral body. The view is from the direction of the blue arrow in (a) and (b).
