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Description
  • Je navržena nová formulace v elektrické impedanční tomografii (EIT) pro získání mapy prostorového rozložení nespojitých koeficientů v eliptické parciální diferenciální rovnici použitím metody nejmenších čtverců a Tichonovovy regularizace. Vodivé tenké vrstvy jsou uloženy v prostředí známé objemové vodivosti. Dopředná úloha je řešena metodou konečných prvků. Předpokládá se, že povrchová vodivost je konstantní na jednotlivých hranách sítě konečných prvků. Metodu lze využít zobrazení rozložení vodivsti jakk v biomedicině, tak i v průmyslu. (cs)
  • We propose anew formulation in electrical impedance tomography (EIT) for recovering the surface discontinuous coefficients in an elliptic problem by using the least squares and the Tikhonov regularization. Conductive thin layers of known geometry, but of unknown surface conductivity are immersed in a medium of known volume conductivity. The forward problem is solved by the Finite Element Method (FEM) applied to the discretized continuity equation. It is assumed that the surface conductivity is constantt on individual edges of FEM grid. This new method can be applied to solve problems both in medical imaging and in industrial applications, where it can be used for the modelling of anisotropy in conductivity.
  • We propose anew formulation in electrical impedance tomography (EIT) for recovering the surface discontinuous coefficients in an elliptic problem by using the least squares and the Tikhonov regularization. Conductive thin layers of known geometry, but of unknown surface conductivity are immersed in a medium of known volume conductivity. The forward problem is solved by the Finite Element Method (FEM) applied to the discretized continuity equation. It is assumed that the surface conductivity is constantt on individual edges of FEM grid. This new method can be applied to solve problems both in medical imaging and in industrial applications, where it can be used for the modelling of anisotropy in conductivity. (en)
Title
  • Vyhodnocení konduktivity tenkých vrstev s použitím Elektrické Impedanční Tomografie (cs)
  • Evaluation of thin layer conductivity in a volume using Electrical Impedance Tomography
  • Evaluation of thin layer conductivity in a volume using Electrical Impedance Tomography (en)
skos:prefLabel
  • Vyhodnocení konduktivity tenkých vrstev s použitím Elektrické Impedanční Tomografie (cs)
  • Evaluation of thin layer conductivity in a volume using Electrical Impedance Tomography
  • Evaluation of thin layer conductivity in a volume using Electrical Impedance Tomography (en)
skos:notation
  • RIV/00216305:26220/04:PU44159!RIV/2005/GA0/262205/N
http://linked.open.../vavai/riv/strany
  • 173-175
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(GA102/03/1108)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 563406
http://linked.open...ai/riv/idVysledku
  • RIV/00216305:26220/04:PU44159
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • inverse problems, impedance tomograpy, electric field (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [0F21C6193639]
http://linked.open...v/mistoKonaniAkce
  • Brno
http://linked.open...i/riv/mistoVydani
  • Brno
http://linked.open...i/riv/nazevZdroje
  • Analysis of biomedical signals and images, 17th int. Eurasip conference
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Dědková, Jarmila
  • Dědek, Libor
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
number of pages
http://purl.org/ne...btex#hasPublisher
  • VUTIUM Press, Brno
https://schema.org/isbn
  • 80-214-2633-0
http://localhost/t...ganizacniJednotka
  • 26220
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