About: Material Differentiation by Differential Computed Tomography

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.jstage.jst.go.jp/browse/matertrans/
Description	This paper presents the study on the feasibility of a differentiation of the individual materials using so called dual energy computed tomography. The individual pixels on tomogram are the results of X-ray attenuation penetrating through the sample from different angles of projections. Attenuation is caused by absorption and scattering of radiation. The contribution of these two main mechanisms is dependent on atomic number, electron density, and also the energy of the X-ray photons. The material characteristics may be quantitatively analyzed when the composition in to atomic number or density information is carried out. Therefore, two different X-ray spectra were used by application of filters. The principle of proposed method results in a numerical approach with the associated detector calibration. We tested first the method on the samples of known composition. From the results it was shown that we are able to obtain removal of %22beam hardening%22 and the estimation of material co This paper presents the study on the feasibility of a differentiation of the individual materials using so called dual energy computed tomography. The individual pixels on tomogram are the results of X-ray attenuation penetrating through the sample from different angles of projections. Attenuation is caused by absorption and scattering of radiation. The contribution of these two main mechanisms is dependent on atomic number, electron density, and also the energy of the X-ray photons. The material characteristics may be quantitatively analyzed when the composition in to atomic number or density information is carried out. Therefore, two different X-ray spectra were used by application of filters. The principle of proposed method results in a numerical approach with the associated detector calibration. We tested first the method on the samples of known composition. From the results it was shown that we are able to obtain removal of %22beam hardening%22 and the estimation of material co (en)
Title	Material Differentiation by Differential Computed Tomography Material Differentiation by Differential Computed Tomography (en)
skos:prefLabel	Material Differentiation by Differential Computed Tomography Material Differentiation by Differential Computed Tomography (en)
skos:notation	RIV/68407700:21340/12:00188939!RIV13-MPO-21340___
http://linked.open...avai/predkladatel	Fakulta jaderná a fyzikálně inženýrská
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI1/139), P(GA105/09/1830)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Pína, Ladislav Švéda, Libor Jančárek, Alexandr Prokop, Josef
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	České vysoké učení technické v Praze / Fakulta jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	148654
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/12:00188939
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	X-ray; computed tomography; dual energy; spectrum; material differentiation (en)
http://linked.open.../riv/klicoveSlovo	computed tomography X-ray dual energy material differentiation spectrum
http://linked.open...odStatuVydavatele	JP - Japonsko
http://linked.open...ontrolniKodProRIV	[12F9F16973CC]
http://linked.open...i/riv/nazevZdroje	Materials Transactions
http://linked.open...in/vavai/riv/obor	JS
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	MICROFOCUS X RAY SOURCE WITH HIGH BRILLIANCE Multiscale modelling and X-Ray thomography in geotechnics
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	52
http://linked.open...iv/tvurceVysledku	Pína, Ladislav Švéda, Libor Prokop, Josef Jančárek, Alexandr
http://linked.open...ain/vavai/riv/wos	000302194100015
issn	1345-9678
number of pages	2 (xsd:int)
http://bibframe.org/vocab/doi	10.2320/matertrans.I-M2011851
http://localhost/t...ganizacniJednotka	21340
is http://linked.open...avai/riv/vysledek of	Material Differentiation by Differential Computed Tomography

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