About: A simple Fourier filter for suppression of the missing wedge ray artefacts in single-axis electron tomographic reconstructions

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About: A simple Fourier filter for suppression of the missing wedge ray artefacts in single-axis electron tomographic reconstructions 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://dx.doi.org/10.1016/j.jsb.2014.02.004
Description	The limited specimen tilting range that is typically available in electron tomography gives rise to a region in the Fourier space of the reconstructed object where experimental data are unavailable - the missing wedge. Since this region is sharply delimited from the area of available data, the reconstructed signal is typically hampered by convolution with its impulse response, which gives rise to the well-known missing wedge artefacts in 3D reconstructions. Despite the recent progress in the field of reconstruction and regularization techniques, the missing wedge artefacts remain untreated in most current reconstruction workflows in structural biology. Therefore we have designed a simple Fourier angular filter that effectively suppresses the ray artefacts in the single-axis tilting projection acquisition scheme, making single-axis tomographic reconstructions easier to interpret in particular at low signal-to-noise ratio in acquired projections. The proposed filter can be easily incorporated into current electron tomographic reconstruction schemes. The limited specimen tilting range that is typically available in electron tomography gives rise to a region in the Fourier space of the reconstructed object where experimental data are unavailable - the missing wedge. Since this region is sharply delimited from the area of available data, the reconstructed signal is typically hampered by convolution with its impulse response, which gives rise to the well-known missing wedge artefacts in 3D reconstructions. Despite the recent progress in the field of reconstruction and regularization techniques, the missing wedge artefacts remain untreated in most current reconstruction workflows in structural biology. Therefore we have designed a simple Fourier angular filter that effectively suppresses the ray artefacts in the single-axis tilting projection acquisition scheme, making single-axis tomographic reconstructions easier to interpret in particular at low signal-to-noise ratio in acquired projections. The proposed filter can be easily incorporated into current electron tomographic reconstruction schemes. (en)
Title	A simple Fourier filter for suppression of the missing wedge ray artefacts in single-axis electron tomographic reconstructions A simple Fourier filter for suppression of the missing wedge ray artefacts in single-axis electron tomographic reconstructions (en)
skos:prefLabel	A simple Fourier filter for suppression of the missing wedge ray artefacts in single-axis electron tomographic reconstructions A simple Fourier filter for suppression of the missing wedge ray artefacts in single-axis electron tomographic reconstructions (en)
skos:notation	RIV/00216208:11110/14:10285231!RIV15-MSM-11110___
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(GBP302/12/G157), P(GP13-32339P), S
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Raška, Ivan Jůda, Pavel Kováčik, Lubomír Kereïche, Sami
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	Univerzita Karlova v Praze / 1. lékařská fakulta
http://linked.open...dnocenehoVysledku	1172
http://linked.open...ai/riv/idVysledku	RIV/00216208:11110/14:10285231
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Single-axis tilting; Missing wedge artefacts; Missing wedge; Electron tomography (en)
http://linked.open.../riv/klicoveSlovo	Electron tomography Missing wedge Missing wedge artefacts Single-axis tilting
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[CF50F87F3502]
http://linked.open...i/riv/nazevZdroje	Journal of Structural Biology
http://linked.open...in/vavai/riv/obor	EA
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Dynamics and Organization of Chromosomes in the Cell Cycle and during Differentiation under Normal and Pathological Conditions Pohled do dynamiky ATP-dependentní lidské mitochondriální Lon proteázy trojrozměrnou elektronově mikroskopickou strukturní analýzou
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	186
http://linked.open...iv/tvurceVysledku	Kováčik, Lubomír Matula, Pavel Raška, Ivan Jůda, Pavel Hoeoeg, Johanna L. Kereïche, Sami
http://linked.open...ain/vavai/riv/wos	000334570200015
issn	1047-8477
number of pages	12 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jsb.2014.02.004
http://localhost/t...ganizacniJednotka	11110

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