An improved 3D shape context based non-rigid registration method and its application to small animal skeletons registration

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dc.contributor.authorXiao, Den_AU
dc.contributor.authorZahra, Den_AU
dc.contributor.authorBourgeat, Pen_AU
dc.contributor.authorBerghofer, PJen_AU
dc.contributor.authorTamayo, OAen_AU
dc.contributor.authorWimberley, CAen_AU
dc.contributor.authorGrégoire, MCen_AU
dc.contributor.authorSalvado, Oen_AU
dc.date.accessioned2014-10-07T00:37:48Zen_AU
dc.date.available2014-10-07T00:37:48Zen_AU
dc.date.issued2010-06-01en_AU
dc.date.statistics2014-10-07en_AU
dc.description.abstract3D shape context is a method to define matching points between similar shapes. It can be used as a preprocessing step in a non-rigid registration. The main limitation of the method is point mismatching, which includes long geodesic distance mismatch causing wrong topological structure, and neighbors crossing mismatch between two adjacent points. In this paper, we propose a topological structure verification method to correct the long geodesic distance mismatch and a correspondence field smoothing method to correct the neighbors crossing mismatch. A robust 3D shape context model is generated and further combined with thin-plate spline model for non-rigid registration. The method was tested on phantoms and applied to rat hind limb and mouse hind limb skeletons registration from micro-CT images. Errors between the registered surfaces were reduced by using the proposed method. The robustness of the method is demonstrated. © 2010, Elsevier Ltd.en_AU
dc.identifier.citationXiao, D., Zahra, D., Bourgeat, P., Berghofer, P., Tamayo, O. A., Wimberley, C., Grégoire, M. C., & Salvado, O. (2010). An improved 3D shape context based non-rigid registration method and its application to small animal skeletons registration. Computerized Medical Imaging and Graphics, 34(4), 321-332. doi:10.1016/j.compmedimag.2009.12.003en_AU
dc.identifier.govdoc5682en_AU
dc.identifier.issn0895-6111en_AU
dc.identifier.issue4en_AU
dc.identifier.journaltitleComputerized Medical Imaging and Graphicsen_AU
dc.identifier.pagination321-332en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.compmedimag.2009.12.003en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5897en_AU
dc.identifier.volume34en_AU
dc.language.isoenen_AU
dc.publisherPergamon-Elsevier Science Ltden_AU
dc.subjectThree-dimensional calculationsen_AU
dc.subjectCAT scanningen_AU
dc.subjectSkeletonen_AU
dc.subjectLimbsen_AU
dc.subjectRatsen_AU
dc.subjectMiceen_AU
dc.titleAn improved 3D shape context based non-rigid registration method and its application to small animal skeletons registrationen_AU
dc.typeJournal Articleen_AU
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