Characterizing and correcting gradient errors in non-cartesian imaging: Are gradient errors linear time-invariant (LTI)?

Non‐Cartesian and rapid imaging sequences are more sensitive to scanner imperfections such as gradient delays and eddy currents. These imperfections vary between scanners and over time and can be a significant impediment to successful implementation and eventual adoption of non‐Cartesian techniques...

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Vydáno v:	Magnetic resonance in medicine Ročník 62; číslo 6; s. 1466 - 1476
Hlavní autoři:	Brodsky, Ethan K., Samsonov, Alexey A., Block, Walter F.
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	Hoboken Wiley Subscription Services, Inc., A Wiley Company 01.12.2009
Témata:	Algorithms Computer Simulation Eddy current gradient calibration gradient error Image Enhancement - methods Image Interpretation, Computer-Assisted - methods Imaging, Three-Dimensional - methods k-space trajectory k-space trajectory deviation Magnetic Resonance Imaging - methods Models, Biological Models, Statistical non-cartesian imaging Pattern Recognition, Automated - methods Reproducibility of Results Sensitivity and Specificity Time Factors
ISSN:	0740-3194, 1522-2594, 1522-2594
On-line přístup:	Získat plný text
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