About: Wavelet-based de-noising techniques in MRI

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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with techniques for the enhancement of magnetic resonance (MR) images using the wavelet analysis, which is assessed from the viewpoint of choosing the mother wavelet and the thresholding technique. Three parameters are used as objective criteria of the quality of image enhancement: the signal-to-noise ratio (SNR), image contrast, and linear approximation of edge steepness. Unlike most of the standard methods, which work exclusively with image magnitude, we also examined the influence of image phase, i.e. the image is processed as a complex signal. In addition to the interpretation of results, a short summary is given that deals with the choice of the optimal mother wavelet and thresholding technique for different types of MR images. The paper deals with techniques for the enhancement of magnetic resonance (MR) images using the wavelet analysis, which is assessed from the viewpoint of choosing the mother wavelet and the thresholding technique. Three parameters are used as objective criteria of the quality of image enhancement: the signal-to-noise ratio (SNR), image contrast, and linear approximation of edge steepness. Unlike most of the standard methods, which work exclusively with image magnitude, we also examined the influence of image phase, i.e. the image is processed as a complex signal. In addition to the interpretation of results, a short summary is given that deals with the choice of the optimal mother wavelet and thresholding technique for different types of MR images. (en)
Title	Wavelet-based de-noising techniques in MRI Wavelet-based de-noising techniques in MRI (en)
skos:prefLabel	Wavelet-based de-noising techniques in MRI Wavelet-based de-noising techniques in MRI (en)
skos:notation	RIV/68081731:_____/11:00367300!RIV12-MSM-68081731
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(ED0017/01/01), P(GAP102/11/0318), P(ME10123), Z(AV0Z20650511), Z(MSM0021630513)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Bartušek, Karel
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	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	241560
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/11:00367300
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	wavelet transformation; filtering technique; magnetic resonance imaging (en)
http://linked.open.../riv/klicoveSlovo	filtering technique wavelet transformation magnetic resonance imaging
http://linked.open...odStatuVydavatele	IE - Irsko
http://linked.open...ontrolniKodProRIV	[3CCF888328BB]
http://linked.open...i/riv/nazevZdroje	Computer Methods and Programs in Biomedicine
http://linked.open...in/vavai/riv/obor	JA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	APPLICATION LABORATORIES OF ADVANCED MICROTECHNOLOGIES AND NANOTECHNOLOGIES Analysis of metabolism and localization of changes of jaw bone tissue using MR imaging techniques The Research of Algorithms for Processing of Digital Images and Image Sequences
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	104
http://linked.open...iv/tvurceVysledku	Bartušek, Karel Přinosil, J. Smékal, Z.
http://linked.open...ain/vavai/riv/wos	000297832500019
http://linked.open...n/vavai/riv/zamer	Research into experimental methods for examination of the physical properties of matter and their application in advanced technologies Advanced Electronic Communication Systems and Technologies (ELCOM)
issn	0169-2607
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.cmpb.2011.08.008

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