Article (Scientific journals)
Enhanced FEM-based Modeling of Brain Shift Deformation in Image-Guided Neurosurgery
Vigneron, Lara M.; Boman, Romain; Ponthot, Jean-Philippe et al.
2010In Journal of Computational and Applied Mathematics, 234, p. 2046-2053
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Keywords :
Nonrigid registration; Intraoperative MR; Brain shift; FEM; Biomechanical model
Abstract :
[en] We consider the problem of improving outcomes for neurosurgery patients by enhancing intraoperative navigation and guidance. Current navigation systems do not accurately account for intraoperative brain deformation. We focus on the brain shift deformation that occurs just after the opening of the skull and dura. The heart of our system is a nonrigid registration technique using a biomechanical model. We specifically work on two axes: the representation of the structures in the biomechanical model and the evaluation of the surface landmark displacement fields between intraoperative MR images. Using the modified Hausdorff distance as an image similarity measure, we demonstrate that our approach significantly improves the alignment of the intraoperative images. ' 2009 Elsevier B.V. All rights reserved.
Disciplines :
Mechanical engineering
Materials science & engineering
Computer science
Author, co-author :
Vigneron, Lara M.;  Université de Liège - ULiège > Electrical Engineering and Computer Science Department
Boman, Romain  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Ponthot, Jean-Philippe  ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > LTAS-Mécanique numérique non linéaire
Robe, Pierre ;  Centre Hospitalier Universitaire de Liège - CHU > Neurochirurgie
Warfield, Simon K.
Verly, Jacques ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Exploitation des signaux et images
Language :
English
Title :
Enhanced FEM-based Modeling of Brain Shift Deformation in Image-Guided Neurosurgery
Publication date :
01 August 2010
Journal title :
Journal of Computational and Applied Mathematics
ISSN :
0377-0427
eISSN :
1879-1778
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
234
Pages :
2046-2053
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 November 2009

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