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

Xiao, Di, Zahra, David, Bourgeat, Pierrick, Berghofer, Paula, Tamayo, Oscar Acosta, Wimberley, Catriona, Gregoire, Marie Claude and Salvado, Olivier (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.2009.12.003


Author Xiao, Di
Zahra, David
Bourgeat, Pierrick
Berghofer, Paula
Tamayo, Oscar Acosta
Wimberley, Catriona
Gregoire, Marie Claude
Salvado, Olivier
Title An improved 3D shape context based non-rigid registration method and its application to small animal skeletons registration
Journal name Computerized Medical Imaging and Graphics   Check publisher's open access policy
ISSN 0895-6111
1879-0771
Publication date 2010-06
Year available 2009
Sub-type Article (original research)
DOI 10.1016/j.compmedimag.2009.12.003
Volume 34
Issue 4
Start page 321
End page 332
Total pages 12
Place of publication Kidlington, Oxford, United Kingdom
Publisher Pergamon
Language eng
Abstract 3D shape context is a method to define matching points between similar shapes. It can be used as a pre-processing 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.
Keyword 3D shape context
Non-rigid registration
Small animal skeleton registration
Micro-CT images
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Non-UQ
Additional Notes Available online 30 December 2009

 
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