Intraoperative ultrasonography for the correction of brainshift based on the matching of hyperechogenic structures

Pierrick Coupé 1, * Pierre Hellier 1 Xavier Morandi 1, 2 Christian Barillot 1
* Auteur correspondant
1 VisAGeS - Vision, Action et Gestion d'informations en Santé
INSERM - Institut National de la Santé et de la Recherche Médicale : U746, Inria Rennes – Bretagne Atlantique , IRISA-D5 - SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE
Abstract : In this paper, a global approach based on 3D freehand ultrasound imaging is proposed to (a) correct the error of the neuronavigation system in image-patient registration and (b) compensate for the deformations of the cerebral structures occurring during a neurosurgical procedure. The rigid and non rigid multimodal registrations are achieved by matching the hyperechogenic structures of brain. The quantitative evaluation of the non rigid registration was performed within a framework based on synthetic deformation. Finally, experiments were carried out on real data sets of 4 patients with lesions such as cavernoma and low-grade glioma. Qualitative and quantitative results on the estimated error performed by neuronavigation system and the estimated brain deformations are given.
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Communication dans un congrès
IEEE International Symposium on Biomedical Imaging, Apr 2010, Rotterdam, Netherlands. pp.1405 - 1408, 2010, 〈10.1109/ISBI.2010.5490261〉
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http://www.hal.inserm.fr/inserm-00515405
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Dernière modification le : mercredi 16 mai 2018 - 11:23:10
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Pierrick Coupé, Pierre Hellier, Xavier Morandi, Christian Barillot. Intraoperative ultrasonography for the correction of brainshift based on the matching of hyperechogenic structures. IEEE International Symposium on Biomedical Imaging, Apr 2010, Rotterdam, Netherlands. pp.1405 - 1408, 2010, 〈10.1109/ISBI.2010.5490261〉. 〈inserm-00515405〉

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