Designing a compact MRI motion phantom

Even today, dealing with motion artifacts in magnetic resonance imaging (MRI) is a challenging task. Image corruption due to spontaneous body motion complicates diagnosis. In this work, an MRI phantom for rigid motion is presented. It is used to generate motion-corrupted data, which can serve for ev...
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Autor*in:	Schmiedel Max [verfasserIn] Moeller Anita [verfasserIn] Koch Martin A. [verfasserIn] Mertins Alfred [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	motion artifacts motion phantom mri

Übergeordnetes Werk:	In: Current Directions in Biomedical Engineering - De Gruyter, 2016, 2(2016), 1, Seite 471-474
Übergeordnetes Werk:	volume:2 ; year:2016 ; number:1 ; pages:471-474

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1515/cdbme-2016-0104

Katalog-ID:	DOAJ05575368X

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language	English
source	In Current Directions in Biomedical Engineering 2(2016), 1, Seite 471-474 volume:2 year:2016 number:1 pages:471-474
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topic_facet	motion artifacts motion phantom mri Medicine R
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container_title	Current Directions in Biomedical Engineering
authorswithroles_txt_mv	Schmiedel Max @@aut@@ Moeller Anita @@aut@@ Koch Martin A. @@aut@@ Mertins Alfred @@aut@@
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spellingShingle	Schmiedel Max misc motion artifacts misc motion phantom misc mri misc Medicine misc R Designing a compact MRI motion phantom
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title_sort	designing a compact mri motion phantom
title_auth	Designing a compact MRI motion phantom
abstract	Even today, dealing with motion artifacts in magnetic resonance imaging (MRI) is a challenging task. Image corruption due to spontaneous body motion complicates diagnosis. In this work, an MRI phantom for rigid motion is presented. It is used to generate motion-corrupted data, which can serve for evaluation of blind motion compensation algorithms. In contrast to commercially available MRI motion phantoms, the presented setup works on small animal MRI systems. Furthermore, retrospective gating is performed on the data, which can be used as a reference for novel motion compensation approaches. The motion of the signal source can be reconstructed using motor trigger signals and be utilized as the ground truth for motion estimation. The proposed setup results in motion corrected images. Moreover, the importance of preprocessing the MRI raw data, e.g. phase-drift correction, is demonstrated. The gained knowledge can be used to design an MRI phantom for elastic motion.
abstractGer	Even today, dealing with motion artifacts in magnetic resonance imaging (MRI) is a challenging task. Image corruption due to spontaneous body motion complicates diagnosis. In this work, an MRI phantom for rigid motion is presented. It is used to generate motion-corrupted data, which can serve for evaluation of blind motion compensation algorithms. In contrast to commercially available MRI motion phantoms, the presented setup works on small animal MRI systems. Furthermore, retrospective gating is performed on the data, which can be used as a reference for novel motion compensation approaches. The motion of the signal source can be reconstructed using motor trigger signals and be utilized as the ground truth for motion estimation. The proposed setup results in motion corrected images. Moreover, the importance of preprocessing the MRI raw data, e.g. phase-drift correction, is demonstrated. The gained knowledge can be used to design an MRI phantom for elastic motion.
abstract_unstemmed	Even today, dealing with motion artifacts in magnetic resonance imaging (MRI) is a challenging task. Image corruption due to spontaneous body motion complicates diagnosis. In this work, an MRI phantom for rigid motion is presented. It is used to generate motion-corrupted data, which can serve for evaluation of blind motion compensation algorithms. In contrast to commercially available MRI motion phantoms, the presented setup works on small animal MRI systems. Furthermore, retrospective gating is performed on the data, which can be used as a reference for novel motion compensation approaches. The motion of the signal source can be reconstructed using motor trigger signals and be utilized as the ground truth for motion estimation. The proposed setup results in motion corrected images. Moreover, the importance of preprocessing the MRI raw data, e.g. phase-drift correction, is demonstrated. The gained knowledge can be used to design an MRI phantom for elastic motion.
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title_short	Designing a compact MRI motion phantom
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