Improving the finite element forward model of the human head by warping using elastic deformation

Physiological Measurement

Volumn 28, Issue 7, 2007, Pages

  Tizzard, A ^a   Bayford, R H ^a  

^a MIDDLESEX UNIVERSITY   (United Kingdom)

Author keywords

Elastic deformation; Electrical impedance tomography; Finite elements

Indexed keywords

ELECTRIC IMPEDANCE; ELECTRIC IMPEDANCE MEASUREMENT; ELECTRIC IMPEDANCE TOMOGRAPHY; IMAGE ENHANCEMENT; IMAGE RECONSTRUCTION; MESH GENERATION; PARAMETER ESTIMATION; SOUND REPRODUCTION;

BRAIN FUNCTIONS; ELECTRICAL IMPE DANCE TOMOGRAPHY (EIT); FINITE ELEMENT MESHES; FORWARD MODELING; HUMAN HEAD; IMAGES RECONSTRUCTION; RAPID METHOD; REALISTIC GEOMETRY; SURFACE BOUNDARIES; WARPINGS;

FINITE ELEMENT METHOD;

ALGORITHM; COMPUTER ASSISTED IMPEDANCE TOMOGRAPHY; CONFERENCE PAPER; ELECTRODE; FINITE ELEMENT ANALYSIS; HEAD; PRIORITY JOURNAL;

ALGORITHMS; ELASTICITY; ELECTRIC IMPEDANCE; HEAD; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; MODELS, BIOLOGICAL; TOMOGRAPHY;

EID: 34447095336     PISSN: 09673334     EISSN: 13616579     Source Type: Journal    
DOI: 10.1088/0967-3334/28/7/S13     Document Type: Conference Paper

References (24)

1. Adams V and Askenazi A 1999 Building Better Products with Finite Element Analysis (Santa Fe, NM: OnWord Press)
2. Anand V B 1993 Computer Graphics and Geometrical Modelling for Engineers (New York: Wiley)
3. Bagshaw A, Liston A D, Bayford R H, Tizzard A, Gibson A, Tidswell A T, Sparkes M K, Dehghani H, Binnie C D and Holder D S 2003 Electrical impedance tomography of human brain function using reconstruction algorithms based on the finite element method Neuroimage 20 752-64
4. Baker A J and Pepper D W 1991 Finite Elements 1-2-3 (London: McGraw-Hill)
5. Bayford R H, Gibson A, Tizzard A, Liston A D, Tidswell A T, Bagshaw A and Holder D S 2001a Modelling the effect of eye sockets in the human head using I-DEAS and its implication for imaging impedance change using electrical impedance tomography 11th Int. Conf. Electrical Bio-Impedance (Oslo) pp 391-6
6. Bayford R H, Gibson A, Tizzard A, Tidswell T and Holder D S 2001b Solving the forward problem in electrical impedance tomography for the human head using IDEAS (integrated design engineering analysis software), a finite element modelling tool Physiol. Meas. 22 55-64
7. Benham P P and Warnock F V 1979 Mechanics of Solids and Structures (London: Pitman)
8. Binnie C D, Rowan A J and Gutter T 1982 A Manual of Electroencephalographic Technology (Cambridge: Cambridge University Press)
9. Couteau B, Payan Y and Lavallee S 2000 The mesh-matching algorithm: an automatic 3D mesh generator for finite element structures J. Biomech. 33 1005-9
10. Dally J W and Riley W F 1978 Experimental Stress Analysis (Tokyo: McGraw-Hill)
11. Foley J D and Van Dam A 1982 Fundamentals of Interactive Computer Graphics (Reading, MA: Addison-Wesley)
12. Gibson A, Riley J, Schweiger M, Hebden J, Arridge S and Delpy D 2003 A method for generating patient-specific finite element meshes for head modelling Phys. Med. Biol. 48 481-95
13. Horesh L, Schweiger M, Bollhofer M, Douri A, Holder D S and Arridge S 2005 Multilevel preconditioning for 3D large-scale soft-field medical applications modelling Int. J. Inf. Syst. Sci. 1 1-24
14. Hu S-M and Wallner J 2005 A second order algorithm for orthogonal projection onto curves and surfaces Comput. Aided Geom. Design 22 241-60
15. Lamm C, Windischberger C, Leodolter U, Moser E and Bauer H 2001 Co-registration of EEG and MRI data using matching of spline interpolated and MRI-segmented reconstructions of the scalp surface Brain Topogr. 14 93-100
16. Malvimuo J and Plonsey R 1995 Bioelectromagnetism: Principles and Applications of Bioelectric and Biomagnetic Fields (New York: Oxford University Press)
17. Mottram J T and Shaw C T 1996 Using Finite Elements in Mechanical Design (London: McGraw-Hill)
18. Onwubiko C 1989 Foundations of Computer-Aided Design (St Paul, MN: West)
19. Polydorides N and Lionheart W R B 2002 A Matlab toolkit for three-dimensional electrical impedance tomography: a contribution to the electrical impedance and diffuse optical reconstruction software project Meas. Sci. Technol. 13 1871-83
20. Soleimani M, Abascal J F P J and Lionheart W R B 2004 Simultaneous reconstruction of the boundary shape and conductivity in 3D electrical impedance tomography 12th Int. Conf. Electrical Bioimpedance and V Electrical Impedance Tomography (Gdansk, Poland: Gdansk University of Technology) pp 475-8
21. Soleimani M, Powell C E and Polydorides N 2005 Improving the forward solver for the complete electrode model in EIT using algebraic multigrid IEEE Trans. Med. Imaging 24 577-83
22. Tizzard A, Bayford R H, Horesh L, Yerworth R J and Holder D S 2004 Effects of warping finite-element meshes for the forward model of the head in EIT 12th Int. Conf. Electrical Bioimpedance & V Electrical Impedance Tomography (Gdansk, Poland: Gdansk University of Technology) pp 475-8, 495-8
23. Tizzard A, Holder D S and Bayford R H 2005a Generating surfaces for registration and warping FE meshes for the forward model in EIT of brain function EMBEC05 3rd European Medical and Biological Engineering Conf. (Prague, Czech Republic: IFMBE)
24. Tizzard A, Horesh L, Yerworth R J, Holder D S and Bayford R H 2005b Generating accurate finite element meshes for the forward model of the human head in EIT Physiol. Meas. 26 S251-61