A BiCG Solution Based Quasi-Static Finite-Difference Scheme for Induced Field Evaluation in MRI

Wang, H, Liu, F., Trakic, A. and Crozier, S. (2008). A BiCG Solution Based Quasi-Static Finite-Difference Scheme for Induced Field Evaluation in MRI. In: Proceeding of the International Society for Magnetic Resonance in Medicine, 16th Scientific Meeting & Exhibition. International Society for Magnetic Resonance in Medicine, Toronto, Ontario, Canada, (1192-1192). 3-9 May 2008.


Author Wang, H
Liu, F.
Trakic, A.
Crozier, S.
Title of paper A BiCG Solution Based Quasi-Static Finite-Difference Scheme for Induced Field Evaluation in MRI
Conference name International Society for Magnetic Resonance in Medicine
Conference location Toronto, Ontario, Canada
Conference dates 3-9 May 2008
Convener Butts Pauly, K
Proceedings title Proceeding of the International Society for Magnetic Resonance in Medicine, 16th Scientific Meeting & Exhibition   Check publisher's open access policy
Place of Publication USA
Publisher International Society for Magnetic Resonance in Medicine
Publication Year 2008
Sub-type Fully published paper
ISSN 1524-6965
Start page 1192
End page 1192
Total pages 1
Collection year 2009
Language eng
Abstract/Summary This study presents a biconjugate gradient method (BiCG) that can significantly improve the performance of the quasi-static finite-difference scheme, which has been widely used to model field induction phenomena in voxel phantoms. The proposed BiCG method offers remarkable computational advantages in terms of convergence performance and memory consumption over the conventional iterative, successive over-relaxation algorithm. The wide application capability and computational performance of the BiCG method is demonstrated by modelling the exposures of MRI healthcare workers to fields produced by pulsed field gradients, which is presently an important topic of research in light of the Physical Agents Directive 2004/40/EC
Subjects E1
861502 Medical Instruments
970109 Expanding Knowledge in Engineering
090303 Biomedical Instrumentation
Q-Index Code E1
Q-Index Status Confirmed Code

 
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