
Multi-object Segmentation of Head Bones
Please use this identifier to cite or link to this publication: http://hdl.handle.net/10380/3099 |
Published in The MIDAS Journal - Head and Neck Auto-Segmentation Challenge.
Submitted by Dagmar Kainmueller on 07-20-2009.
We present a fully automatic method for 3D segmentation of the mandibular bone from CT data. The method includes an adaptation of statistical shape models of the mandible, the skull base and the midfacial bones, followed by a simultaneous graph-based optimization of adjacent deformable models. The adaptation of the models to the image data is performed according to a heuristic model of the typical intensity distribution in the vincinity of the bone boundary, with special focus on an accurate discrimination of adjacent bones in joint regions. An evaluation of our method based on 18 CT scans shows that a manual correction of the automatic segmentations is not necessary in approx. 60% of the axial slices that contain the mandible.
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Categories: | Point distribution models, Segmentation, Statistical shape models |
Keywords: | mandible, automatic segmentation, multi-object segmentation, statistical shape model |
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