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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Magnetic Resonance i...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
Magnetic Resonance in Medicine
Article . 2019 . Peer-reviewed
License: Wiley Online Library User Agreement
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Generalized simultaneous multi‐orientation 2D imaging

Authors: Nikolai J. Mickevicius; Andrew S. Nencka; Eric S. Paulson;

Generalized simultaneous multi‐orientation 2D imaging

Abstract

PurposeFlexibility in slice prescription is critical for precise motion monitoring during MR‐guided therapies. Adding more slices to improve spatial coverage during rapid 2D cine imaging often hampers temporal resolution. This work describes a framework to simultaneously acquire multiple arbitrarily oriented slices which share a common frequency encoding axis. This framework allows for higher frame rates for a given number of slices compared to conventional interleaved‐slice multi‐orientation cine imaging.Theory and MethodsA framework to calculate zeroth gradient moments to be played out between sequentially excited slices with multiple orientations is described here. Experiments were performed in phantom, and in vivo in the head/neck and abdomen of patients.ResultsImages arbitrarily rotated relative to one another were successfully obtained in phantom and in vivo. Simultaneous multi‐orientation (SMO) images were also acquired with additional in‐plane acceleration to demonstrate the capability of this method to rapidly image objects moving with physiological motion.ConclusionsThe technical feasibility of the generalized SMO imaging framework was tested in this study. It shows promise for continued development for motion monitoring during MR‐guided therapies.

Related Organizations
Keywords

Motion, Imaging, Three-Dimensional, Phantoms, Imaging, Image Interpretation, Computer-Assisted, Image Processing, Computer-Assisted, Humans, Magnetic Resonance Imaging

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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