Heart rate extraction method and system based on ballistocardiogram signal
The invention provides a heart rate extraction method and system based on a heart impact signal, and belongs to the technical field of medical care. The method comprises the following steps: preprocessing an acquired original heartbeat waveform to obtain a BCG signal; on the basis of the low-frequen...
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| creator | JIANG XINLONG JIANG HUAICHEN JIAO SHUAI ZHANG XIULIN CHAN YIK KEUNG SHENG ZHAOGANG |
| description | The invention provides a heart rate extraction method and system based on a heart impact signal, and belongs to the technical field of medical care. The method comprises the following steps: preprocessing an acquired original heartbeat waveform to obtain a BCG signal; on the basis of the low-frequency coefficient and the high-frequency coefficient after wavelet decomposition, performing one-dimensional wavelet reconstruction on the BCG signal, and marking a J peak point for the reconstructed BCG signal by adopting a segmented peak searching method; the number of points between two adjacent J peak points is calculated, and the value of the heart rate is calculated according to the number of points and the sampling frequency; according to the method, high-quality BCG signals are extracted through operations such as FFT filtering, body movement signal elimination and compensation, one-dimensional wavelet reconstruction is carried out on the BCG signals based on low-frequency coefficients and high-frequency coeff |
| format | Patent |
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The method comprises the following steps: preprocessing an acquired original heartbeat waveform to obtain a BCG signal; on the basis of the low-frequency coefficient and the high-frequency coefficient after wavelet decomposition, performing one-dimensional wavelet reconstruction on the BCG signal, and marking a J peak point for the reconstructed BCG signal by adopting a segmented peak searching method; the number of points between two adjacent J peak points is calculated, and the value of the heart rate is calculated according to the number of points and the sampling frequency; according to the method, high-quality BCG signals are extracted through operations such as FFT filtering, body movement signal elimination and compensation, one-dimensional wavelet reconstruction is carried out on the BCG signals based on low-frequency coefficients and high-frequency coeff</description><language>chi ; eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; DIAGNOSIS ; HANDLING RECORD CARRIERS ; HUMAN NECESSITIES ; HYGIENE ; IDENTIFICATION ; MEDICAL OR VETERINARY SCIENCE ; PHYSICS ; PRESENTATION OF DATA ; RECOGNITION OF DATA ; RECORD CARRIERS ; SURGERY</subject><creationdate>2022</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221108&DB=EPODOC&CC=CN&NR=115299911A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25553,76306</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20221108&DB=EPODOC&CC=CN&NR=115299911A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>JIANG XINLONG</creatorcontrib><creatorcontrib>JIANG HUAICHEN</creatorcontrib><creatorcontrib>JIAO SHUAI</creatorcontrib><creatorcontrib>ZHANG XIULIN</creatorcontrib><creatorcontrib>CHAN YIK KEUNG</creatorcontrib><creatorcontrib>SHENG ZHAOGANG</creatorcontrib><title>Heart rate extraction method and system based on ballistocardiogram signal</title><description>The invention provides a heart rate extraction method and system based on a heart impact signal, and belongs to the technical field of medical care. 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The method comprises the following steps: preprocessing an acquired original heartbeat waveform to obtain a BCG signal; on the basis of the low-frequency coefficient and the high-frequency coefficient after wavelet decomposition, performing one-dimensional wavelet reconstruction on the BCG signal, and marking a J peak point for the reconstructed BCG signal by adopting a segmented peak searching method; the number of points between two adjacent J peak points is calculated, and the value of the heart rate is calculated according to the number of points and the sampling frequency; according to the method, high-quality BCG signals are extracted through operations such as FFT filtering, body movement signal elimination and compensation, one-dimensional wavelet reconstruction is carried out on the BCG signals based on low-frequency coefficients and high-frequency coeff</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DIAGNOSIS HANDLING RECORD CARRIERS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE PHYSICS PRESENTATION OF DATA RECOGNITION OF DATA RECORD CARRIERS SURGERY |
| title | Heart rate extraction method and system based on ballistocardiogram signal |
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