Higher-Dimensional Extensions of Nonlinear Inverse Reconstruction for Magnetic Resonance Imaging

Holme, H. Christian M.

dc.contributor.advisor	Uecker, Martin Prof. Dr.
dc.contributor.author	Holme, H. Christian M.
dc.date.accessioned	2020-02-05T10:03:36Z
dc.date.available	2020-02-05T10:03:36Z
dc.date.issued	2020-02-05
dc.identifier.uri	http://hdl.handle.net/21.11130/00-1735-0000-0005-130A-B
dc.identifier.uri	http://dx.doi.org/10.53846/goediss-7750
dc.language.iso	eng	de
dc.rights.uri	http://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subject.ddc	571.4	de
dc.title	Higher-Dimensional Extensions of Nonlinear Inverse Reconstruction for Magnetic Resonance Imaging	de
dc.type	doctoralThesis	de
dc.contributor.referee	Uecker, Martin Prof. Dr.
dc.date.examination	2019-09-19
dc.description.abstracteng	Even though magnetic resonance imaging (MRI) has become progressively faster in recent years, acquisition speed is still a problem in current clinical settings. Physiological constraints such as gradient-induced peripheral nerve stimulation complicate further speed-up of the acquisition process. Therefore, techniques for image reconstruction from undersampled data have been a research focus, among them parallel imaging and compressed sensing. This thesis investigates how multi-dimensional extensions to regularized non-linear inverse reconstruction (NLINV), an established parallel imaging technique, can be used to increase reliability, flexibility, and robustness in image reconstruction. In contrast to model-based approaches, this is done without using specific assumptions about the underlying physical laws. The idea is explored in different experimental settings such as imaging with phase constraints, phase singularities, non-Cartesian acquisitions and real-time MRI, and cardiac self-gating. In particular, the extension of NLINV to compressed sensing is explored.	de
dc.contributor.coReferee	Luther, Stefan Prof. Dr.
dc.contributor.thirdReferee	Köstler, Herbert Prof. Dr.
dc.subject.eng	magnetic resonance imaging	de
dc.subject.eng	parallel imaging	de
dc.subject.eng	real-time MRI	de
dc.subject.eng	compressed sensing	de
dc.subject.eng	NLINV	de
dc.subject.eng	ENLIVE	de
dc.identifier.urn	urn:nbn:de:gbv:7-21.11130/00-1735-0000-0005-130A-B-7
dc.affiliation.institute	Göttinger Graduiertenschule für Neurowissenschaften, Biophysik und molekulare Biowissenschaften (GGNB)	de
dc.subject.gokfull	Biologie (PPN619462639)	de
dc.identifier.ppn	1689510455

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GGNB - Göttinger Graduiertenzentrum für Neurowissenschaften, Biophysik und molekulare Biowissenschaften [1115]
GGNB - Göttingen Graduate Center for Neurosciences, Biophysics and Molecular Biosciences

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