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4-DIMENSIONAL SPECTRAL-SPATIAL IMAGING USING PROJECTION RECONSTRUCTION

delete1995-06-01
delete11
PRE
AI
W
W. Brian Hyslop *
R
Ronald K. Woods
P
Paul C. Lauterbur
DOI：10.1109/42.387718delete
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Abstract

Abstract

En 中文
An n-dimensional (n-D) filtered backprojection image reconstruction algorithm has been developed and used in the reconstruction of 4-D spectral-spatial magnetic resonance imaging (MRI) data, The algorithm uses n-1 successive stages of 2-D filtered backprojection to reconstruct an n-D image, This approach results in a reduction in computational time on the order of N-n-2 relative to the single-stage technique, where N-n is the number of elements in an n-D image. This paper describes implementation of the algorithm, including digital filtering and sampling requirements, Images obtained from simulated data are presented to illustrate the accuracy and potential utility of the technique.
Keywords:
INTRINSIC FREQUENCY DIMENSION
NMR
SPECTROSCOPY
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Journal

IEEE Transactions on Medical Imaging cover
IEEE Transactions on Medical Imaging
IF:
9.8
Papers:
6.2K
Citations:
3.7W

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