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A theoretical method for the use of a phantom to enhance image reconstruction in MRI


Forbes, LK and Brideson, MA and While, PT, A theoretical method for the use of a phantom to enhance image reconstruction in MRI, Concepts in Magnetic Resonance Part B: Magnetic Resonance Engineering, 39B, (2) pp. 98-108. ISSN 1552-504X (2011) [Refereed Article]

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DOI: doi:10.1002/cmr.b.20196


A simple technique is proposed in which a phantom could be used to calibrate an image acquired during an magnetic resonance imaging scan. The method corrects for the effects of nonlinearities in the gradient fields, and in principle does so exactly. The mathematics behind the technique is discussed, and a simple tutorial example is presented as an illustration. The technique is then tested on an actual (photographic) image, and it is shown to be able to recover much of the original picture, even in the presence of strongly nonlinear gradients.  2011 Wiley Periodicals, Inc. Concepts Magn Reson Part B (Magn Reson Engineering) 39B: 98–108, 2011

Item Details

Item Type:Refereed Article
Keywords:MRI image; field nonlinearity; phantom; global image correction
Research Division:Physical Sciences
Research Group:Medical and biological physics
Research Field:Medical physics
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in engineering
UTAS Author:Forbes, LK (Professor Larry Forbes)
UTAS Author:Brideson, MA (Dr Michael Brideson)
UTAS Author:While, PT (Dr Peter While)
ID Code:69538
Year Published:2011
Web of Science® Times Cited:2
Deposited By:Mathematics and Physics
Deposited On:2011-04-28
Last Modified:2012-03-21

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