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001     138607
005     20240613154306.0
024 7 _ |a 10.1007/s10334-015-0515-2
|2 doi
024 7 _ |a pmid:26861047
|2 pmid
024 7 _ |a pmc:PMC4933014
|2 pmc
024 7 _ |a 0968-5243
|2 ISSN
024 7 _ |a 1352-8661
|2 ISSN
037 _ _ |a DZNE-2020-04929
041 _ _ |a English
082 _ _ |a 530
100 1 _ |a Yarach, Uten
|0 P:(DE-HGF)0
|b 0
|e Corresponding author
245 _ _ |a Correction of B 0-induced geometric distortion variations in prospective motion correction for 7T MRI.
260 _ _ |a Heidelberg
|c 2016
|b Springer
264 _ 1 |3 online
|2 Crossref
|b Springer Science and Business Media LLC
|c 2016-02-09
264 _ 1 |3 print
|2 Crossref
|b Springer Science and Business Media LLC
|c 2016-06-01
336 7 _ |a article
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336 7 _ |a Output Types/Journal article
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336 7 _ |a Journal Article
|b journal
|m journal
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|s 1718286130_11706
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336 7 _ |a ARTICLE
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336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a Journal Article
|0 0
|2 EndNote
520 _ _ |a Prospective motion correction can effectively fix the imaging volume of interest. For large motion, this can lead to relative motion of coil sensitivities, distortions associated with imaging gradients and B 0 field variations. This work accounts for the B 0 field change due to subject movement, and proposes a method for correcting tissue magnetic susceptibility-related distortion in prospective motion correction.The B 0 field shifts at the different head orientations were characterized. A volunteer performed large motion with prospective motion correction enabled. The acquired data were divided into multiple groups according to the object positions. The correction of B 0-related distortion was applied to each group of data individually via augmented sensitivity encoding with additionally integrated gradient nonlinearity correction.The relative motion of the gradients, B 0 field and coil sensitivities in prospective motion correction results in residual spatial distortion, blurring, and coil artifacts. These errors can be mitigated by the proposed method. Moreover, iterative conjugate gradient optimization with regularization provided superior results with smaller RMSE in comparison to standard conjugate gradient.The combined correction of B 0-related distortion and gradient nonlinearity leads to a reduction of residual motion artifacts in prospective motion correction data.
536 _ _ |a 344 - Clinical and Health Care Research (POF3-344)
|0 G:(DE-HGF)POF3-344
|c POF3-344
|f POF III
|x 0
542 _ _ |i 2016-02-09
|2 Crossref
|u http://www.springer.com/tdm
588 _ _ |a Dataset connected to CrossRef, PubMed,
650 _ 2 |a Algorithms
|2 MeSH
650 _ 2 |a Artifacts
|2 MeSH
650 _ 2 |a Brain: diagnostic imaging
|2 MeSH
650 _ 2 |a Brain: physiopathology
|2 MeSH
650 _ 2 |a Computer Simulation
|2 MeSH
650 _ 2 |a Humans
|2 MeSH
650 _ 2 |a Image Processing, Computer-Assisted: methods
|2 MeSH
650 _ 2 |a Magnetic Resonance Imaging
|2 MeSH
650 _ 2 |a Male
|2 MeSH
650 _ 2 |a Models, Theoretical
|2 MeSH
650 _ 2 |a Motion
|2 MeSH
650 _ 2 |a Phantoms, Imaging
|2 MeSH
700 1 _ |a Luengviriya, Chaiya
|b 1
700 1 _ |a Stucht, Daniel
|b 2
700 1 _ |a Godenschweger, Frank
|b 3
700 1 _ |a Schulze, Peter
|0 P:(DE-2719)2810420
|b 4
|u dzne
700 1 _ |a Speck, Oliver
|0 P:(DE-2719)2810706
|b 5
|e Last author
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773 1 8 |a 10.1007/s10334-015-0515-2
|b : Springer Science and Business Media LLC, 2016-02-09
|n 3
|p 319-332
|3 journal-article
|2 Crossref
|t Magnetic Resonance Materials in Physics, Biology and Medicine
|v 29
|y 2016
|x 0968-5243
773 _ _ |a 10.1007/s10334-015-0515-2
|g Vol. 29, no. 3, p. 319 - 332
|0 PERI:(DE-600)1502491-X
|n 3
|q 29:3<319 - 332
|p 319-332
|t Magnetic resonance materials in physics, biology and medicine
|v 29
|y 2016
|x 0968-5243
856 7 _ |2 Pubmed Central
|u http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4933014
856 4 _ |u https://pub.dzne.de/record/138607/files/DZNE-2020-04929_Restricted.pdf
856 4 _ |u https://pub.dzne.de/record/138607/files/DZNE-2020-04929_Restricted.pdf?subformat=pdfa
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909 C O |p VDB
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910 1 _ |a Deutsches Zentrum für Neurodegenerative Erkrankungen
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910 1 _ |a Deutsches Zentrum für Neurodegenerative Erkrankungen
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913 1 _ |a DE-HGF
|b Gesundheit
|l Erkrankungen des Nervensystems
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|0 G:(DE-HGF)POF3-344
|3 G:(DE-HGF)POF3
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|v Clinical and Health Care Research
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914 1 _ |y 2016
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