About: Diffusion MRI: magnetic field inhomogeneities mitigation

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.measurement.sk/2012/Marcon.pdf
Description	The article reports on certain artifacts that emerge during the in vitro diffusion-weighted imaging of physical samples. In this context, the authors analyze the influence of magnetic field inhomogeneity, temperature, or eddy currents and consider procedures to mitigation of the artifacts. A technique reducing the examined spurious effects was designed, experimentally verified, and denominated as the three measurements method. The technique proved to be useful mainly for the evaluation of a DWI image measured with a diffusion gradient in the z axis, where the relative measurement error decreased to 3.38% (during measurement using two images, the relative error was greater than 19%). For small errors within the measurement of diffusion constants of a deionised water sample (<5%) it is necessary to select a b-factor value larger than 200x10^6 s.m-2. Temperature stabilisation with an accuracy better than 0.1 degree of celsius during the entire measuring process is a necessary prerequisite for the measure The article reports on certain artifacts that emerge during the in vitro diffusion-weighted imaging of physical samples. In this context, the authors analyze the influence of magnetic field inhomogeneity, temperature, or eddy currents and consider procedures to mitigation of the artifacts. A technique reducing the examined spurious effects was designed, experimentally verified, and denominated as the three measurements method. The technique proved to be useful mainly for the evaluation of a DWI image measured with a diffusion gradient in the z axis, where the relative measurement error decreased to 3.38% (during measurement using two images, the relative error was greater than 19%). For small errors within the measurement of diffusion constants of a deionised water sample (<5%) it is necessary to select a b-factor value larger than 200x10^6 s.m-2. Temperature stabilisation with an accuracy better than 0.1 degree of celsius during the entire measuring process is a necessary prerequisite for the measure (en)
Title	Diffusion MRI: magnetic field inhomogeneities mitigation Diffusion MRI: magnetic field inhomogeneities mitigation (en)
skos:prefLabel	Diffusion MRI: magnetic field inhomogeneities mitigation Diffusion MRI: magnetic field inhomogeneities mitigation (en)
skos:notation	RIV/00216305:26220/12:PU99793!RIV13-GA0-26220___
http://linked.open...avai/predkladatel	Fakulta elektrotechniky a komunikačních technologií
http://linked.open...avai/riv/aktivita	P S
http://linked.open...avai/riv/aktivity	P(GAP102/11/0318), P(GAP102/12/1104), S
http://linked.open...iv/cisloPeriodika	5
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Gescheidtová, Eva Marcoň, Petr
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	131290
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/12:PU99793
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	correction, diffusion, inhomogeneity, eddy currents, magnetic resonance (en)
http://linked.open.../riv/klicoveSlovo	inhomogeneity correction eddy currents magnetic resonance diffusion
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[029A1772F5D7]
http://linked.open...i/riv/nazevZdroje	Measurement Science Review
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Analysis of metabolism and localization of changes of jaw bone tissue using MR imaging techniques Study of metabolism and localization of high grade glioma using MR imaging techniques
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	12
http://linked.open...iv/tvurceVysledku	Bartušek, Karel Dokoupil, Zdeněk Gescheidtová, Eva Marcoň, Petr
issn	1335-8871
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	26220
is http://linked.open...avai/riv/vysledek of	Diffusion MRI: magnetic field inhomogeneities mitigation

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