[Regional iterative phase extraction Dixon water-lipid separation method based on second order differential quality weighting].
Dixon
magnetic resonance imaging
quality map
reliability
Journal
Nan fang yi ke da xue xue bao = Journal of Southern Medical University
ISSN: 1673-4254
Titre abrégé: Nan Fang Yi Ke Da Xue Xue Bao
Pays: China
ID NLM: 101266132
Informations de publication
Date de publication:
25 Feb 2021
25 Feb 2021
Historique:
entrez:
24
2
2021
pubmed:
25
2
2021
medline:
26
2
2021
Statut:
ppublish
Résumé
To propose a regional iterative phase extraction Dixon method based on second order difference quality weighting (SOD-RIPE) for improving water-lipid separation in heterogeneous magnetic field. The in-phase angle of the asymmetric in-phase and opposite phase image matrix was eliminated using the Dixon's signal model to obtain Water-lipid separation was performed using 1000 pairs of in- and opposite-phase images on a Philips in Genia II 3.0T magnetic resonance scanner. The SOD-RIPE algorithm achieved better separation and stability than the automatic growth method and RIPE in all the parts of the body and in the stability test, and had a similar performance to mDixon-XD algorithm. SOD-RIPE can achieve robust water-fat separation with a good stability and can be used as a general Dixon water-fat separation method.
Identifiants
pubmed: 33624607
doi: 10.12122/j.issn.1673-4254.2021.02.21
pmc: PMC7905252
doi:
Substances chimiques
Lipids
0
Water
059QF0KO0R
Types de publication
Journal Article
Langues
chi
Sous-ensembles de citation
IM
Pagination
305-309Références
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