JP2021041142A - 血圧推定システム、血圧推定方法、学習装置、学習方法及びプログラム - Google Patents

血圧推定システム、血圧推定方法、学習装置、学習方法及びプログラム Download PDF

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JP2021041142A
JP2021041142A JP2020129600A JP2020129600A JP2021041142A JP 2021041142 A JP2021041142 A JP 2021041142A JP 2020129600 A JP2020129600 A JP 2020129600A JP 2020129600 A JP2020129600 A JP 2020129600A JP 2021041142 A JP2021041142 A JP 2021041142A
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blood pressure
time series
feature amount
subject
facial image
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Japanese (ja)
Inventor
野澤　昭雄
Akio Nozawa
昭雄 野澤
孝輔 大岩
Kosuke OIWA
孝輔 大岩
研一 中野
Kenichi Nakano
研一 中野
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Tosho Estate Co Ltd
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Tosho Estate Co Ltd
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Priority to CN202010911014.4A priority Critical patent/CN112597789A/zh
Priority to US17/011,318 priority patent/US20210113093A1/en
Publication of JP2021041142A publication Critical patent/JP2021041142A/ja
Priority to JP2021162566A priority patent/JP7534789B2/ja
Withdrawn legal-status Critical Current

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Medical Informatics (AREA)
  • General Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Biomedical Technology (AREA)
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  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
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  • Evolutionary Computation (AREA)
  • Mathematical Physics (AREA)
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  • Oral & Maxillofacial Surgery (AREA)
  • Physiology (AREA)
  • Computing Systems (AREA)
  • Data Mining & Analysis (AREA)
  • Cardiology (AREA)
  • Human Computer Interaction (AREA)
  • Databases & Information Systems (AREA)
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  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Computational Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Vascular Medicine (AREA)
JP2020129600A 2019-09-03 2020-07-30 血圧推定システム、血圧推定方法、学習装置、学習方法及びプログラム Withdrawn JP2021041142A (ja)

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CN202010911014.4A CN112597789A (zh) 2019-09-03 2020-09-02 血压推定系统、血压推定方法、学习装置、学习方法及程序
US17/011,318 US20210113093A1 (en) 2019-09-03 2020-09-03 Blood pressure estimation system, blood pressure estimation method, learning method, and program
JP2021162566A JP7534789B2 (ja) 2019-09-03 2021-10-01 血圧推定システム、血圧推定方法、学習装置、学習方法及びプログラム

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023131271A (ja) * 2022-03-09 2023-09-22 国立大学法人九州工業大学 非接触脈拍推定装置、非接触脈拍推定方法及びプログラム

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB202005213D0 (en) * 2020-04-08 2020-05-20 Bevan Heba Remote temperature measurement system
CN111914761A (zh) * 2020-08-04 2020-11-10 南京华图信息技术有限公司 一种热红外人脸识别的方法及系统
CN114746866B (zh) * 2020-09-16 2023-05-23 Ｆｓｘ株式会社 便携终端及湿毛巾管理系统
JP7204068B2 (ja) * 2020-12-04 2023-01-13 三菱電機株式会社 乗員温度推定装置、乗員状態検出装置、乗員温度推定方法、および、乗員温度推定システム
KR102806308B1 (ko) * 2021-05-27 2025-05-09 삼성전자주식회사 생체정보 추정 장치 및 방법
CN113456042A (zh) * 2021-06-30 2021-10-01 浙江师范大学 一种基于3d cnn的无接触面部血压测量方法
JP7773450B2 (ja) 2022-09-14 2025-11-19 本田技研工業株式会社 運転者支援システム、運転者支援方法、および運転者支援プログラム
CN115736863B (zh) * 2022-11-04 2024-11-26 北京小凡科技有限公司 基于计算机视觉和深度学习的非接触式血压检测系统
CN116649932B (zh) * 2023-01-16 2025-10-14 电子科技大学 一种基于去除年龄混淆因子的可穿戴连续血压测量方法及系统
CN117100237B (zh) * 2023-10-18 2024-02-06 众保健康科技服务(济南)有限公司 一种居家养老用智能监测系统
WO2025141420A1 (en) * 2023-12-26 2025-07-03 Carex Ai, Inc. Systems, devices, and methods for vital sign monitoring

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016077890A (ja) * 2014-10-09 2016-05-16 パナソニックＩｐマネジメント株式会社 非接触血圧測定装置、及び、非接触血圧測定方法
US20160256117A1 (en) * 2015-03-03 2016-09-08 Samsung Electronics Co., Ltd. Blood pressure measuring method and apparatus
JP2016190022A (ja) * 2015-03-30 2016-11-10 国立大学法人東北大学 生体情報計測装置、生体情報計測方法、生体情報表示装置及び生体情報表示方法
JP2017074217A (ja) * 2015-10-15 2017-04-20 ダイキン工業株式会社 皮膚状態推定装置およびその作動方法
WO2018088358A1 (ja) * 2016-11-10 2018-05-17 シャープ株式会社 脈波検出装置、画像解析装置および生体情報生成システム
US20180199870A1 (en) * 2016-12-19 2018-07-19 Nuralogix Corporation System and method for contactless blood pressure determination

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6854879B2 (en) * 2001-04-19 2005-02-15 Honeywell International Inc. System and method using thermal image analysis for polygraph testing
KR100474848B1 (ko) * 2002-07-19 2005-03-10 삼성전자주식회사 영상시각 정보를 결합하여 실시간으로 복수의 얼굴을검출하고 추적하는 얼굴 검출 및 추적 시스템 및 방법
US8360986B2 (en) * 2006-06-30 2013-01-29 University Of Louisville Research Foundation, Inc. Non-contact and passive measurement of arterial pulse through thermal IR imaging, and analysis of thermal IR imagery
JP5218139B2 (ja) * 2009-02-19 2013-06-26 株式会社デンソー 血圧測定装置及びプログラム並びに記録媒体
US20110251493A1 (en) * 2010-03-22 2011-10-13 Massachusetts Institute Of Technology Method and system for measurement of physiological parameters
US8672754B2 (en) * 2011-02-23 2014-03-18 Disney Enterprises, Inc. System and method for number of players determined using facial recognition
JP6234136B2 (ja) * 2013-09-25 2017-11-22 シチズン時計株式会社 血圧計
JP6268193B2 (ja) * 2013-12-25 2018-01-24 旭化成株式会社 脈波測定装置、携帯機器、医療機器システム、及び生体情報コミュニケーションシステム
WO2016069788A1 (en) * 2014-10-29 2016-05-06 Spectral Md, Inc. Reflective mode multi-spectral time-resolved optical imaging methods and apparatuses for tissue classification
CN104720778B (zh) * 2015-04-09 2018-08-10 陶军 远程血压测量系统及其实现方法
CA2958010C (en) * 2016-02-19 2021-09-07 Covidien Lp System and methods for video-based monitoring of vital signs
CN106236049A (zh) * 2016-10-12 2016-12-21 南京工程学院 基于视频图像的血压测量方法
JP7062359B2 (ja) * 2016-12-27 2022-05-06 花王株式会社 生理指標の推定方法及び推定装置並びに健康情報の推定方法及び推定装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016077890A (ja) * 2014-10-09 2016-05-16 パナソニックＩｐマネジメント株式会社 非接触血圧測定装置、及び、非接触血圧測定方法
US20160256117A1 (en) * 2015-03-03 2016-09-08 Samsung Electronics Co., Ltd. Blood pressure measuring method and apparatus
JP2016190022A (ja) * 2015-03-30 2016-11-10 国立大学法人東北大学 生体情報計測装置、生体情報計測方法、生体情報表示装置及び生体情報表示方法
JP2017074217A (ja) * 2015-10-15 2017-04-20 ダイキン工業株式会社 皮膚状態推定装置およびその作動方法
WO2018088358A1 (ja) * 2016-11-10 2018-05-17 シャープ株式会社 脈波検出装置、画像解析装置および生体情報生成システム
US20180199870A1 (en) * 2016-12-19 2018-07-19 Nuralogix Corporation System and method for contactless blood pressure determination

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023131271A (ja) * 2022-03-09 2023-09-22 国立大学法人九州工業大学 非接触脈拍推定装置、非接触脈拍推定方法及びプログラム

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