A new characterization of three-dimensional simple points
Pattern Recognition Letters
Detection of 3-D Simple Points for Topology Preserving Transformations with Application to Thinning
IEEE Transactions on Pattern Analysis and Machine Intelligence
Distance-ordered homotopic thinning: a skeletonization algorithm for 3D digital images
Computer Vision and Image Understanding
A medial-surface oriented 3-d two-subfield thinning algorithm
Pattern Recognition Letters
Curve-Skeleton Properties, Applications, and Algorithms
IEEE Transactions on Visualization and Computer Graphics
CIARP '08 Proceedings of the 13th Iberoamerican congress on Pattern Recognition: Progress in Pattern Recognition, Image Analysis and Applications
On the computation of the {3, 4, 5} curve skeleton of 3D objects
Pattern Recognition Letters
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An algorithm to compute the curve skeleton of a 3D object starting from its surface skeleton is presented. The voxels of the surface skeleton are suitably classified to compute the geodesic distance transform of the surface skeleton and to identify anchor points. Voxels are examined in increasing distance order and are removed, provided that they are not anchor points and are not necessary to preserve topology. The resulting curve skeleton is topologically equivalent to the surface skeleton and reflects its geometry.