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Joint reconstruction of non-overlapping magnetic particle imaging focus-field data
Publikationstyp
Journal Article
Publikationsdatum
2015-04-21
Sprache
English
Institut
TORE-URI
Enthalten in
Volume
60
Issue
8
Start Page
L15
End Page
L21
Article Number
L15
Citation
Physics in Medicine and Biology 8 (60): L15 L15-L21 (2015-04-21)
Publisher DOI
Scopus ID
PubMed ID
25803656
The focus field is a key component to enable clinical applications in magnetic particle imaging (MPI). Due to physiological constraints, the method of choice is to place the focus of a small acquisition volume at various static positions in space and acquire the full field-of-view using a multi-station approach. In the first experiments, overlapping drive-field patches were used and boundary artifacts between drive-field patches were reduced using image processing. In this work we show that artifact-free reconstruction of non-overlapping focus-field data is feasible by using a joint reconstruction algorithm. This enables maximum scanning efficiency in multi-station focus-field experiments, which is key for reaching sufficiently short acquisition times to image the human heart.
Schlagworte
focus field
image reconstruction
magnetic particle imaging
scan efficiency