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1. 2 will be provided and don t need to be developed by the students This will provide 2D segmented data see Fig 2 and 3D segmented models see Fig 3 Finally iii the newly developed MATLAB tool will be interfaced with visualization soft ware commonly used in biomedical engineering and in the medical practice e g 3 i Figure 1 magnetic resonance slices Figure 2 2D segmentation Figure 3 output of iso2mesh 2 1 2 Projet 30 Projet de d veloppement S2 2011 2012 RESULTATS ATTENDUS Etude des outils existants et de la bibliographie D veloppement des fonctionnalit s sp cifi es en i D veloppement des fonctionnalit s sp cifi es en ii D veloppement des fonctionnalit s sp cifi es en iii Validation du logiciel Manuel d utilisation OBJECTIFS P DAGOGIQUES Durant le projet les l ves auront d velopper les comp tences suivantes e Appliquer ses connaissances dans une situation nouvelle e D finir les connaissances acqu rir dans la probl matique d un d veloppement e Tester valuer valider des elements de solutions e Utiliser des technologies outils adapt s au projet OUTILS UTILISES MATLAB CONTRAINTE DE FORMATION Aucune REFERENCES 1 2 3 B Aubert Broche A C Evans L Collins A new improved version of the realistic digital brain phantom Neurolmage Volume 32 Issue 1 1 August 2006 Pages 138 145 Iso2mes2. Projet 30 Projet de d veloppement S2 2011 2012 MODELES 3D D UN CERVEAU HUMAIN PARTIR D IMAGES 2D ISSUES DE RESONANCE MAGNETIQUE ENCADRANT Francesco P Andriulli MOTS CL S imagerie c r brale r sonance magn tique brain computer interfaces SUJET Several cutting edge technologies rely on the detection mapping and inter pretation of the electromagnetic activity of the human brain In designing brain computer interfaces for example one could detect the electric currents associated to different brain conditions to obtain input streams for a brain controlled computer The detection of brain currents relies on advanced electromagnetic inverse algorithms In order to increase the effectiveness of these algorithms it is necessary to have high fi delity ad hoc 3D electromagnetic models of the human brain 1 One approach to ob tain such models is based on the processing of magnetic resonance MR images In this project the students will develop a MATLAB software that given a set of MR slices see Fig 1 will produce a 3D model of the human brain see Fig 3 This will be at tained by gradual steps i first a stacked set of MR images will be mapped on a 3D cube and appropriately interpolated This will provide a first simple and non segmented 3D model Next ii more sophisticated segmentation algorithms will be interfaced in a simple way with the MATLAB software segmentation tools such as iso2mesh
3. h a 3D surface and volumetric mesh generator for MATLAB Octave http iso2mesh sourceforge net 3DSlicer A multi platform free and open source software package for visualiza tion and medical image computing http www slicer org 2 2
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