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A novel method for pediatric heart sound segmentation without using the ECG
Amir Kabir University, Tehran, Iran.
Amir Kabir University, Tehran, Iran.
TCTS Laboratory, Faculte Polytecnique de Mons, Belgium.
Medical University of Tehran, Iran.
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2010 (English)In: Computer Methods and Programs in Biomedicine, ISSN 0169-2607, E-ISSN 1872-7565, Vol. 99, no 1, 43-48 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, we propose a novel method for pediatric heart sounds segmentation by paying special attention to the physiological effects of respiration on pediatric heart sounds. The segmentation is accomplished in three steps. First, the envelope of a heart sounds signal is obtained with emphasis on the first heart sound (Si) and the second heart sound (S(2)) by using short time spectral energy and autoregressive (AR) parameters of the signal. Then, the basic heart sounds are extracted taking into account the repetitive and spectral characteristics of Si and S2 sounds by using a Multi-Layer Perceptron (MLP) neural network classifier. In the final step, by considering the diastolic and systolic intervals variations due to the effect of a child's respiration, a complete and precise heart sounds end-pointing and segmentation is achieved. 

Place, publisher, year, edition, pages
2010. Vol. 99, no 1, 43-48 p.
National Category
Medical Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-30470DOI: 10.1016/j.cmpb.2009.10.006ISI: 000279409800004OAI: oai:DiVA.org:mdh-30470DiVA: diva2:886046
Available from: 2015-12-21 Created: 2015-12-21 Last updated: 2015-12-21Bibliographically approved

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Ghareh Baghi, Arash
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