Perturbation method for magnetic field calculations of nonconductive objects.

Inhomogeneous magnetic fields produce artifacts in MR images including signal dropout and spatial distortion. A novel perturbative method for calculating the magnetic field to first order (error is second order) within and around nonconducting objects is presented. The perturbation parameter is the...

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Main Authors: Jenkinson, M, Wilson, J, Jezzard, P
格式: Journal article
语言:English
出版: 2004