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Statements

Subject Item
n2:RIV%2F00216305%3A26220%2F09%3APU85133%21RIV10-MSM-26220___
rdf:type
n18:Vysledek skos:Concept
dcterms:description
This paper proposes new technique for solution of electrical impedance tomography inverse problems. Usually, a set of voltage measurements is acquired from the boundaries of an investigated volume, whilst this is subjected to a sequence of low-frequency current patterns. In principle, measuring both the amplitude and the phase angle of the voltage can result in images of the electric conductivity and permittivity in the interior of a body. Alternating current patterns are preferred to DC to avoid polarization effects. In the usual frequency range (below 1 MHz) the field can be considered a steady current field, which is governed by the Laplace equation. It is well known that while the forward problem is well-posed, the inverse problem is nonlinear and highly ill-posed. The recently described methods are often based on deterministic or stochastic approach to solve mainly 2D problems. The aim of this paper is to present a new way for a successful image reconstruction to obtain high-quality reconstructio This paper proposes new technique for solution of electrical impedance tomography inverse problems. Usually, a set of voltage measurements is acquired from the boundaries of an investigated volume, whilst this is subjected to a sequence of low-frequency current patterns. In principle, measuring both the amplitude and the phase angle of the voltage can result in images of the electric conductivity and permittivity in the interior of a body. Alternating current patterns are preferred to DC to avoid polarization effects. In the usual frequency range (below 1 MHz) the field can be considered a steady current field, which is governed by the Laplace equation. It is well known that while the forward problem is well-posed, the inverse problem is nonlinear and highly ill-posed. The recently described methods are often based on deterministic or stochastic approach to solve mainly 2D problems. The aim of this paper is to present a new way for a successful image reconstruction to obtain high-quality reconstructio
dcterms:title
A New Algorithm for Electrical Impedance Tomography Inverse Problem A New Algorithm for Electrical Impedance Tomography Inverse Problem
skos:prefLabel
A New Algorithm for Electrical Impedance Tomography Inverse Problem A New Algorithm for Electrical Impedance Tomography Inverse Problem
skos:notation
RIV/00216305:26220/09:PU85133!RIV10-MSM-26220___
n5:aktivita
n7:Z
n5:aktivity
Z(MSM0021630503)
n5:dodaniDat
n21:2010
n5:domaciTvurceVysledku
n6:3152383 n6:1063081
n5:druhVysledku
n19:D
n5:duvernostUdaju
n8:S
n5:entitaPredkladatele
n17:predkladatel
n5:idSjednocenehoVysledku
301365
n5:idVysledku
RIV/00216305:26220/09:PU85133
n5:jazykVysledku
n15:eng
n5:klicovaSlova
EIT, Level Set method
n5:klicoveSlovo
n9:EIT n9:Level%20Set%20method
n5:kontrolniKodProRIV
[FA9286E3B0AE]
n5:mistoKonaniAkce
Beijing
n5:mistoVydani
Cambridge
n5:nazevZdroje
PIERS Proceedings
n5:obor
n20:JA
n5:pocetDomacichTvurcuVysledku
2
n5:pocetTvurcuVysledku
2
n5:rokUplatneniVysledku
n21:2009
n5:tvurceVysledku
Kříž, Tomáš Dědková, Jarmila
n5:typAkce
n12:WRD
n5:zahajeniAkce
2009-03-23+01:00
n5:zamer
n14:MSM0021630503
s:numberOfPages
5
n16:hasPublisher
The Electromagnetic Academy
n11:isbn
978-1-934142-08-0
n3:organizacniJednotka
26220