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Avoiding local optima of the joint entropy prior in limited view tomography using a multiresolution scheme.

Abstract:

The incorporation of anatomical reference images into limited view transmission tomography has been attempted previously by using the joint entropy prior. However, this prior has been found to be sensitive to local optima. Here, we propose to increase robustness to local optima by using a multiresolution optimisation scheme. To our knowledge, this is the first work to apply multiresolution optimisation to the joint entropy prior in limited view transmission tomography. The results show a subs...

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Publication status:
Published

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Publisher copy:
10.1109/iembs.2010.5627929

Authors


Journal:
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual Conference
Volume:
2010
Pages:
3402-3405
Publication date:
2010-01-01
DOI:
ISSN:
1557-170X
URN:
uuid:710f5408-e30e-4902-a944-084a75af118c
Source identifiers:
97278
Local pid:
pubs:97278

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