About: Comparative Study of Jacobian Calculation Techniques in Electrical Impedance Tomography

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The electrical impedance tomography is a means how to localize inhomogeneities in some bordered homogenous medium when the object under investigation is accessible to the measuring only at specific points of its boundary. In the method various optimization techniques are in use. For their successful application it is useful to determine Jacobian which helps to accelerate an iterative process. In the paper two ways of Jacobian calculation are compared above all from the point of view of the CPU time. Namely, the first method is based on the reciprocity theorem application, the second one then on the direct differentiation of the nodal-analysis matrix equation. Both methods utilize a precomputed properly chosen finite-element mesh, and has been programmed in the Matlab language environment. The electrical impedance tomography is a means how to localize inhomogeneities in some bordered homogenous medium when the object under investigation is accessible to the measuring only at specific points of its boundary. In the method various optimization techniques are in use. For their successful application it is useful to determine Jacobian which helps to accelerate an iterative process. In the paper two ways of Jacobian calculation are compared above all from the point of view of the CPU time. Namely, the first method is based on the reciprocity theorem application, the second one then on the direct differentiation of the nodal-analysis matrix equation. Both methods utilize a precomputed properly chosen finite-element mesh, and has been programmed in the Matlab language environment. (en)
Title	Comparative Study of Jacobian Calculation Techniques in Electrical Impedance Tomography Comparative Study of Jacobian Calculation Techniques in Electrical Impedance Tomography (en)
skos:prefLabel	Comparative Study of Jacobian Calculation Techniques in Electrical Impedance Tomography Comparative Study of Jacobian Calculation Techniques in Electrical Impedance Tomography (en)
skos:notation	RIV/00216305:26220/04:PU44171!RIV11-MSM-26220___
http://linked.open...avai/riv/aktivita	P V Z
http://linked.open...avai/riv/aktivity	P(GA102/03/1108), V, Z(MSM 262200011), Z(MSM 262200022)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Brančík, Lubomír
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	558172
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/04:PU44171
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Jacobian, Sensitivity, Electrical impedance tomography, Reciprocity theorem, Nodal analysis method (en)
http://linked.open.../riv/klicoveSlovo	Sensitivity Electrical impedance tomography Jacobian Nodal analysis method Reciprocity theorem
http://linked.open...ontrolniKodProRIV	[94A55EE36EB7]
http://linked.open...v/mistoKonaniAkce	Zakopane
http://linked.open...i/riv/mistoVydani	Zakopane
http://linked.open...i/riv/nazevZdroje	Proceedings of VI. International Workshop %22Computational Problems of Electrical Engineering%22
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Electrical impedance tomography in dissipative media
http://linked.open...UplatneniVysledku	2004
http://linked.open...iv/tvurceVysledku	Brančík, Lubomír
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2004-09-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262200011 http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262200022
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Neuveden
https://schema.org/isbn	83-916444-4-8
http://localhost/t...ganizacniJednotka	26220

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