Dynamic 3D Models with Local and Global Deformations: Deformable Superquadrics
IEEE Transactions on Pattern Analysis and Machine Intelligence
Real-Time Elastic Deformations of Soft Tissues for Surgery Simulation
IEEE Transactions on Visualization and Computer Graphics
Surface Registration for Use in Interactive Image-Guided Liver Surgery
MICCAI '99 Proceedings of the Second International Conference on Medical Image Computing and Computer-Assisted Intervention
Registration of 3D Intraoperative MR Images of the Brain Using a Finite Element Biomechanical Model
MICCAI '00 Proceedings of the Third International Conference on Medical Image Computing and Computer-Assisted Intervention
Modal Matching for Correspondence and Recognition
Modal Matching for Correspondence and Recognition
Wavelet descriptor of planar curves: theory and applications
IEEE Transactions on Image Processing
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Surgical navigation for abdominal organs has difficulties, such as dynamic deformation, compared with other organs (i.e. brain, bone). Organ deformations prevent surgical navigators from performing accurate navigation based on preoperative information. We are studying on a method for deforming preoperative organ models so that the models are matched to intraoperative shapes. The method is based on the ICP (iterative closest point) algorithm and modal representation of shape deformation. In this paper, we describe preliminary experiments for rigid parameter estimation in the entire registration process, by using range data and surface model reconstructed from X-ray CT of a liver phantom.