About: Processing of projections containing phase contrast in laboratory micro-computerized tomography imaging

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About: Processing of projections containing phase contrast in laboratory micro-computerized tomography imaging Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://journals.iucr.org/j/issues/2013/04/00/xk5002/xk5002.pdf
Description	Free-space-propagation-based imaging belongs to several techniques for achieving phase contrast in the hard X-ray range. The basic precondition is to use an X-ray beam with a high degree of coherence. Although the best sources of coherent X-rays are synchrotrons, spatially coherent X-rays emitted from a sufficiently small spot of laboratory microfocus or sub-microfocus sources allow the transfer of some of the modern imaging techniques from synchrotrons to laboratories. Spatially coherent X-rays traverse a sample leading to a phase shift. Beam deflection induced by the local change of refractive index may be expressed as a dark-bright contrast on the edges of the object in an X-ray projection. This phenomenon of edge enhancement leads to an increase in spatial resolution of X-ray projections but may also lead to unpleasant artefacts in computerized tomography unless phase and absorption contributions are separated. Free-space-propagation-based imaging belongs to several techniques for achieving phase contrast in the hard X-ray range. The basic precondition is to use an X-ray beam with a high degree of coherence. Although the best sources of coherent X-rays are synchrotrons, spatially coherent X-rays emitted from a sufficiently small spot of laboratory microfocus or sub-microfocus sources allow the transfer of some of the modern imaging techniques from synchrotrons to laboratories. Spatially coherent X-rays traverse a sample leading to a phase shift. Beam deflection induced by the local change of refractive index may be expressed as a dark-bright contrast on the edges of the object in an X-ray projection. This phenomenon of edge enhancement leads to an increase in spatial resolution of X-ray projections but may also lead to unpleasant artefacts in computerized tomography unless phase and absorption contributions are separated. (en)
Title	Processing of projections containing phase contrast in laboratory micro-computerized tomography imaging Processing of projections containing phase contrast in laboratory micro-computerized tomography imaging (en)
skos:prefLabel	Processing of projections containing phase contrast in laboratory micro-computerized tomography imaging Processing of projections containing phase contrast in laboratory micro-computerized tomography imaging (en)
skos:notation	RIV/00216224:14740/13:00069093!RIV14-MSM-14740___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068)
http://linked.open...iv/cisloPeriodika	Aug
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Mikulík, 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	Masarykova univerzita / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	99964
http://linked.open...ai/riv/idVysledku	RIV/00216224:14740/13:00069093
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	phase-contrast imaging; X-ray imaging; X-ray radiography; digital radiography; computerized tomography; computed radiography (en)
http://linked.open.../riv/klicoveSlovo	phase-contrast imaging X-ray imaging digital radiography X-ray radiography computerized tomography computed radiography
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[EECEE7426F4D]
http://linked.open...i/riv/nazevZdroje	Journal of Applied Crystallography
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Central european institute of technology
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Korytár, D. Mikulík, Petr Zápražný, Z. Áč, V.
http://linked.open...ain/vavai/riv/wos	000322032300017
issn	0021-8898
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1107/S002188981300558X
http://localhost/t...ganizacniJednotka	14740

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