Referenced Items are not available for this document.
An improved algorithm for planar rotational motion artifact suppression in standard two-dimensional Fourier transform magnetic resonance images is presented. It is shown that interpolation of acquired view data on the uncorrupted k-space create data overlap and void regions. The authors present a method of managing overlap data regions, using weighted averaging of redundant data. The weights are assigned according to a priority ranking based on the minimum distance between the data set and the k-space grid points. An iterative estimation technique for filling the data void regions, using projections onto convex sets (POCS), is also described. The method has been successfully tested using computer simulations.
Published in:
Medical Imaging, IEEE Transactions on
(Volume:17
,
Issue:
2
)
Date of Publication: April 1998
- Page(s):
- 310 - 317
- ISSN :
- 0278-0062
- INSPEC Accession Number:
- 5986893
- Digital Object Identifier :
- 10.1109/42.700744
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- April 1998
- Sponsored by :
- IEEE Engineering in Medicine and Biology Society
- PubMed ID :
- 9688164
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