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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.
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| Author(s) |
Wang, H
Liu, F.
Trakic, A.
Crozier, S.
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| Title of paper |
A BiCG Solution Based Quasi-Static Finite-Difference Scheme for Induced Field Evaluation in MRI
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| Conference name |
International Society for Magnetic Resonance in Medicine
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| Conference location |
Toronto, Ontario, Canada
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| Conference dates |
3-9 May 2008
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| Convener |
Butts Pauly, K
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| Proceedings title |
Proceeding of the International Society for Magnetic Resonance in Medicine, 16th Scientific Meeting & Exhibition
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| Place published |
USA
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| Publisher |
International Societey for Magnetic Resonance in Medicine
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| Publication date |
2008
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| ISSN |
1524-6965
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| Start page |
1192
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| End page |
1192
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| Total pages |
1
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| Collection year |
2009
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| Language |
English
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| 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
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| Subjects |
E1
861502 Medical Instruments
970109 Expanding Knowledge in Engineering
090303 Biomedical Instrumentation
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