Four-dimensional spectral-spatial imaging using projection reconstruction.

Abstract:

: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. The authors describe 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.

journal_name

IEEE Trans Med Imaging

authors

Hyslop WB,Woods RK,Lauterbur PC

doi

10.1109/42.387718

subject

Has Abstract

pub_date

1995-01-01 00:00:00

pages

374-83

issue

2

eissn

0278-0062

issn

1558-254X

journal_volume

14

pub_type

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