Approach-specific multi-grid anatomical modeling for neurosurgery simulation with public-domain and open-source software
Identifieur interne : 001838 ( Pmc/Corpus ); précédent : 001837; suivant : 001839Approach-specific multi-grid anatomical modeling for neurosurgery simulation with public-domain and open-source software
Auteurs : Michel A. Audette ; Denis Rivière ; Charles Law ; Luis Ibanez ; Stephen R. Aylward ; Julien Finet ; Xunlei Wu ; Matthew G. EwendSource :
- Proceedings of SPIE--the International Society for Optical Engineering [ 0277-786X ] ; 2011.
Abstract
We present on-going work on multi-resolution sulcal-separable meshing for approach-specific neurosurgery simulation, in conjunction multi-grid and Total Lagrangian Explicit Dynamics finite elements. Conflicting requirements of interactive nonlinear finite elements and small structures lead to a multi-grid framework. Implications for meshing are explicit control over resolution, and prior knowledge of the intended neurosurgical approach and intended path. This information is used to define a subvolume of clinical interest, within some distance of the path and the target pathology. Restricted to this subvolume are a tetrahedralization of finer resolution, the representation of critical tissues, and sulcal separability constraint for all mesh levels.
Url:
PubMed: 21666884
PubMed Central: 3112002
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