About: Detection of Myocardial Ischemia Using Hidden Markov Models

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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 detection of myocardial ischemia by analysis of electrophysiological changes within QRS complexes of electrocardiograms (ECG). ECG signals were analysed by continuous wavelet transform (CWT). Time frequency spectra of QRS complexes were used as an input of a detection system based on hidden Markov models (HMMs). Parameters of the used HMMs were assessed to recommend their optimal values. The presented results show that HMM analysis of ECGs preprocessed by CWT can be used for early detection of myocardial ischemia. Eleven Langendorff perfused rabbit hearts were used to record training and test data to learn Markov models. An average value of resulting sensitivity and specificity of detection system was around 0.9 depending on parameter setting of the models. The paper deals with detection of myocardial ischemia by analysis of electrophysiological changes within QRS complexes of electrocardiograms (ECG). ECG signals were analysed by continuous wavelet transform (CWT). Time frequency spectra of QRS complexes were used as an input of a detection system based on hidden Markov models (HMMs). Parameters of the used HMMs were assessed to recommend their optimal values. The presented results show that HMM analysis of ECGs preprocessed by CWT can be used for early detection of myocardial ischemia. Eleven Langendorff perfused rabbit hearts were used to record training and test data to learn Markov models. An average value of resulting sensitivity and specificity of detection system was around 0.9 depending on parameter setting of the models. (en)
Title	Detection of Myocardial Ischemia Using Hidden Markov Models Detection of Myocardial Ischemia Using Hidden Markov Models (en)
skos:prefLabel	Detection of Myocardial Ischemia Using Hidden Markov Models Detection of Myocardial Ischemia Using Hidden Markov Models (en)
skos:notation	RIV/00216305:26220/03:PU37251!RIV11-MSM-26220___
http://linked.open...avai/riv/aktivita	P V Z
http://linked.open...avai/riv/aktivity	P(GA102/01/1494), V, Z(MSM 262200011), Z(MSM 262200022)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Kolářová, Jana Provazník, Ivo
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoké učení technické v Brně / Fakulta elektrotechniky a komunikačních technologií
http://linked.open...dnocenehoVysledku	603276
http://linked.open...ai/riv/idVysledku	RIV/00216305:26220/03:PU37251
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Myocardial ischemia, ECG signal, QRS complex, Wavelet transform, hidden Markov models (en)
http://linked.open.../riv/klicoveSlovo	ECG signal hidden Markov models Myocardial ischemia QRS complex Wavelet transform
http://linked.open...ontrolniKodProRIV	[E05C075A794B]
http://linked.open...v/mistoKonaniAkce	Cancun
http://linked.open...i/riv/mistoVydani	Cancun
http://linked.open...i/riv/nazevZdroje	Proceedings of Annual International Conference IEEE EMBS 2003
http://linked.open...in/vavai/riv/obor	JD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Optical recording of action potentials and its application in cardiology
http://linked.open...UplatneniVysledku	2003
http://linked.open...iv/tvurceVysledku	Kolářová, Jana Provazník, Ivo Nováková, Marie
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2003-09-17 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262200011 http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20262200022
number of pages	4 (xsd:int)
http://purl.org/ne...btex#hasPublisher	IEEE
http://localhost/t...ganizacniJednotka	26220

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