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  A Correction Algorithm in the Hybrid Time-Space Domain Accounting for Z-Spatial Dependence of Respiration Induced Resonance Offsets in Sagittal EPI at 7 Tesla

Van de Moortele, P.-F., Pfeuffer, J., Glover, G., Ugurbil, K., & Hu, X. (2002). A Correction Algorithm in the Hybrid Time-Space Domain Accounting for Z-Spatial Dependence of Respiration Induced Resonance Offsets in Sagittal EPI at 7 Tesla. In 10th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2002).

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-DFD2-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-9C80-A
Genre: Meeting Abstract

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Van de Moortele, P-F, Author
Pfeuffer, J1, Author              
Glover , GH, Author
Ugurbil, K, Author
Hu, X, Author
Affiliations:
1External Organizations, ou_persistent22              

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 Abstract: It has been recently demonstrated that, at 7 Tesla, Respiration Induced Resonance Offset (RIRO), related to susceptibility effects, are observed with large amplitude in the human brain. An algorithm has also been introduced to correct transverse EPI series for resulting apparent motion. Here it is demonstrated that in sagittal EPI series, this algorithm (a global linear phase shift in the k-space) provides an incomplete correction because RIRO amplitude varies as a function of Z-axis location. A RIRO correction algorithm in the hybrid time-space domain is introduced for sagittal EPI, accounting for the Z-dependence.

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 Dates: 2002-05
 Publication Status: Published in print
 Pages: -
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 Identifiers: BibTex Citekey: 1228
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Title: 10th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2002)
Place of Event: Honolulu, HI, USA
Start-/End Date: 2016-05-18 - 2016-05-24

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Title: 10th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2002)
Source Genre: Proceedings
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