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Magnetic Resonance in Medicine
Article . 2009 . Peer-reviewed
License: Wiley Online Library User Agreement
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Elliptical field‐of‐view PROPELLER imaging

Authors: Ajit, Devaraj; James G, Pipe;

Elliptical field‐of‐view PROPELLER imaging

Abstract

AbstractTraditionally two‐dimensional scans are designed to support an isotropic field‐of‐view (iFOV). When imaging elongated objects, significant savings in scan time can potentially be achieved by supporting an elliptical field‐of‐view (eFOV). This work presents an empirical closed‐form solution to adapt the PROPELLER trajectory for an eFOV. The proposed solution is built on the geometry of the PROPELLER trajectory permitting the scan prescription and data reconstruction to remain largely similar to standard PROPELLER. The achieved FOV is experimentally validated by the point spread function (PSF) of a phantom scan. The details of potential savings in scan time and the signal‐to‐noise ratio (SNR) performance in comparison to iFOV scans for both phantom and in‐vivo images are also described. Magn Reson Med, 2009. © 2009 Wiley‐Liss, Inc.

Related Organizations
Keywords

Imaging, Three-Dimensional, Phantoms, Imaging, Image Interpretation, Computer-Assisted, Brain, Humans, Reproducibility of Results, Image Enhancement, Magnetic Resonance Imaging, Sensitivity and Specificity, Algorithms

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    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).
    5
    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.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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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!
5
Average
Average
Average
bronze