Transverse relaxometry with transmit field-constrained stimulated echo compensation.
Extended phase graph
Magnetic resonance imaging
Relaxometry
Spin echo imaging
Stimulated echo correction
Journal
Magma (New York, N.Y.)
ISSN: 1352-8661
Titre abrégé: MAGMA
Pays: Germany
ID NLM: 9310752
Informations de publication
Date de publication:
Dec 2019
Dec 2019
Historique:
received:
22
05
2019
accepted:
15
07
2019
revised:
26
06
2019
pubmed:
25
7
2019
medline:
10
4
2020
entrez:
25
7
2019
Statut:
ppublish
Résumé
Purely exponential decay is rarely observed in conventional mono-exponential T The proposed method, called two-step SEC (tSEC), leverages spatial correlations in the transmit field to reduce the number of fully independent fitting parameters from three to two. The method involves a two-pass fit: the first pass involves a fast but standard SEC fit. The initially estimated transmit field is smoothed and provided as a fixed input to the second pass. Simulations and in vivo experiments demonstrated up to 38% and 27% decreases in relative T The proposed method generates reliable and reproducible quantitative T
Identifiants
pubmed: 31338627
doi: 10.1007/s10334-019-00769-9
pii: 10.1007/s10334-019-00769-9
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
669-677Références
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