JP7457267B2 - 信号解析装置、信号解析方法及びプログラム - Google Patents

信号解析装置、信号解析方法及びプログラム Download PDF

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Publication number
JP7457267B2
JP7457267B2 JP2022573946A JP2022573946A JP7457267B2 JP 7457267 B2 JP7457267 B2 JP 7457267B2 JP 2022573946 A JP2022573946 A JP 2022573946A JP 2022573946 A JP2022573946 A JP 2022573946A JP 7457267 B2 JP7457267 B2 JP 7457267B2
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Prior art keywords
distribution function
cumulative distribution
waveform
time
parameters
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Japanese (ja)
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JPWO2022149382A1 (https=
Inventor
信吾 塚田
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NTT Inc
NTT Inc USA
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Nippon Telegraph and Telephone Corp
NTT Inc USA
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Priority claimed from PCT/JP2021/000209 external-priority patent/WO2022149215A1/ja
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/352—Detecting R peaks, e.g. for synchronising diagnostic apparatus; Estimating R-R interval
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/35—Detecting specific parameters of the electrocardiograph cycle by template matching
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/355—Detecting T-waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
    • A61B5/316—Modalities, i.e. specific diagnostic methods
    • A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
    • A61B5/346—Analysis of electrocardiograms
    • A61B5/349—Detecting specific parameters of the electrocardiograph cycle
    • A61B5/366—Detecting abnormal QRS complex, e.g. widening
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
    • A61B5/7235—Details of waveform analysis
    • A61B5/7253—Details of waveform analysis characterised by using transforms

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Cardiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
JP2022573946A 2021-01-06 2021-12-02 信号解析装置、信号解析方法及びプログラム Active JP7457267B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
PCT/JP2021/000209 WO2022149215A1 (ja) 2021-01-06 2021-01-06 信号解析装置、信号解析方法及びプログラム
JPPCT/JP2021/000209 2021-01-06
JPPCT/JP2021/033138 2021-09-09
PCT/JP2021/033138 WO2022149307A1 (ja) 2021-01-06 2021-09-09 信号解析装置、信号解析方法及びプログラム
PCT/JP2021/044327 WO2022149382A1 (ja) 2021-01-06 2021-12-02 信号解析装置、信号解析方法及びプログラム

Publications (2)

Publication Number Publication Date
JPWO2022149382A1 JPWO2022149382A1 (https=) 2022-07-14
JP7457267B2 true JP7457267B2 (ja) 2024-03-28

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JP2022573946A Active JP7457267B2 (ja) 2021-01-06 2021-12-02 信号解析装置、信号解析方法及びプログラム
JP2022573945A Active JP7457266B2 (ja) 2021-01-06 2021-12-02 信号解析装置、信号解析方法及びプログラム

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US (2) US20240016433A1 (https=)
EP (2) EP4238498B1 (https=)
JP (2) JP7457267B2 (https=)
CN (2) CN116615144B (https=)
WO (2) WO2022149381A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016533231A (ja) 2013-10-14 2016-10-27 カオスキー プロプライエタリー リミテッド 非定常信号の機能要素への分解

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009017820A2 (en) * 2007-08-01 2009-02-05 Newcardio, Inc. Method and apparatus for quantitative assessment of cardiac electrical events
US8437839B2 (en) * 2011-04-12 2013-05-07 University Of Utah Research Foundation Electrocardiographic assessment of arrhythmia risk
US8684942B2 (en) * 2011-05-25 2014-04-01 Siemens Medical Solutions Usa, Inc. System for cardiac impairment detection based on signal regularity
WO2016077786A1 (en) * 2014-11-14 2016-05-19 Zoll Medical Corporation Medical premonitory event estimation
CN109998529B (zh) * 2019-04-15 2021-11-05 北京工业大学 一种基于高斯函数拟合的ecg信号中p波、t波检测方法
CN110236523A (zh) * 2019-06-17 2019-09-17 杭州电子科技大学 基于高斯回归的步态-心电rr间隔关联方法

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016533231A (ja) 2013-10-14 2016-10-27 カオスキー プロプライエタリー リミテッド 非定常信号の機能要素への分解

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
BILLAH, Mohammad Saad, et al.，A novel method to model ECG beats using Gaussian functions，2011 4th International Conference on Biomedical Engineering and Informatics，2011年12月12日
KARCZEWICZ, Marta and GABBOUJ, Moncef，ECG data compression by spline approximation，Signal Processing，1997年
Karoline Horgmo et al，Properties of cardiac conduction in a cell-based computational model，PLOS COMPUTATIONAL BIOLOGY，2019年05月31日，Vol.15.No.5，pp.1-35，doi.org/10.1371/journal.pcbi.1007042
田中博，心電図逆問題における方法論，医用電子と生体工学，日本，2011年10月14日，第23巻第3号，第147頁-第158頁

Also Published As

Publication number Publication date
JPWO2022149382A1 (https=) 2022-07-14
CN116615144A (zh) 2023-08-18
JP7457266B2 (ja) 2024-03-28
WO2022149381A1 (ja) 2022-07-14
EP4238498B1 (en) 2025-10-22
EP4241691A1 (en) 2023-09-13
US20240057924A1 (en) 2024-02-22
EP4241691B1 (en) 2025-11-12
EP4238498A1 (en) 2023-09-06
EP4238498A4 (en) 2024-10-09
WO2022149382A1 (ja) 2022-07-14
EP4241691A4 (en) 2024-10-09
CN116615144B (zh) 2025-08-05
CN116615145B (zh) 2025-07-22
CN116615145A (zh) 2023-08-18
JPWO2022149381A1 (https=) 2022-07-14
US20240016433A1 (en) 2024-01-18

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