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  Optimal Arrangement of Finite Element Loop Arrays for Parallel Imaging in a Spherical Geometry at 9.4 T

Pfrommer, A., & Henning, A. (2015). Optimal Arrangement of Finite Element Loop Arrays for Parallel Imaging in a Spherical Geometry at 9.4 T. Poster presented at 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015), Toronto, Canada.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-002A-461F-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0006-9B77-6
Genre: Poster

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http://www.ismrm.org/15/program_files/MonEPS03.htm (Publisher version)
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 Creators:
Pfrommer, A1, 2, Author           
Henning, A1, 2, Author           
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Research Group MR Spectroscopy and Ultra-High Field Methodology, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528692              

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 Abstract: Parallel imaging with a finite number of array elements is limited by the g-factor enhancement for high k-space undersampling. To fully exploit the unfolding potential of circular surface coils surrounding a spherical head phantom, we developed an optimization routine to minimize the maximum value of the g-factor inside the “head” region. As a result we showed optimal arrangements for 8, 16 and 32 channels at 9.4 T with different acceleration rates. Moreover we precisely specified the range of possible gmax values for each setup including optimal and worst case positioning of the loops.

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 Dates: 2015-06
 Publication Status: Issued
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 Rev. Type: -
 Identifiers: BibTex Citekey: PfrommerH2015_4
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Title: 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015)
Place of Event: Toronto, Canada
Start-/End Date: 2015-05-30 - 2015-06-05

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Title: 23rd Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2015)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 3165 Start / End Page: - Identifier: -