Approach-specific multi-grid anatomical modeling for neurosurgery simulation with public-domain and open-source software
Identifieur interne : 002D42 ( Main/Merge ); précédent : 002D41; suivant : 002D43Approach-specific multi-grid anatomical modeling for neurosurgery simulation with public-domain and open-source software
Auteurs : Michel A. Audette [États-Unis] ; Denis Rivière [France] ; Charles Law [États-Unis] ; Luis Ibanez [États-Unis] ; Stephen R. Aylward [États-Unis] ; Julien Finet [États-Unis] ; Xunlei Wu [États-Unis] ; Matthew G. Ewend [États-Unis]Source :
- 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.
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PubMed: 21666884
PubMed Central: 3112002
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PMC:3112002Le document en format XML
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<front><div type="abstract" xml:lang="en"><p id="P1">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.</p>
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