Recognition of heart sound based on distribution of Choi-Williams

IntroductionTo realize noninvasive diagnosis and early diagnosis of coronary heart disease, the study proposes a new time-frequency method for analyzing heart sound signals. This method is based on Choi-Williams Distribution (CWD).MethodsCWD distribution is developed and modified from Wigner Ville d...

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Bibliographic Details
Main Author: Chen,Tianhua (author)
Other Authors: Xiang,Lingzi (author), Zhang,Meina (author)
Format: article
Language:eng
Published: 2015
Subjects:
Heart sound signals
Choi-Williams distribution
Biomedical signal processing
Non-invasive diagnosis
Time-frequency analysis
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2446-47402015000300189
Country:Brazil
Oai:oai:scielo:S2446-47402015000300189

Internet

http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2446-47402015000300189

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