Cuffless Blood Pressure Estimation from Finger PPG and ECG Signals Verified by the AAMI Protocol

Yu Chuan Li, Jia Wei Guo, Jia Yu Yang, Pei Yun Tsai, Hung Ju Lin, Tzung Dau Wang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Cuffless blood pressure (BP) estimation attracts much attention for its convenience and capability of long-term health monitoring. The BP estimation derived from finger photoplethysmography (PPG) and electrocardiographic (ECG) signals and validated by the AAMI protocol is presented in this paper. PPG morphological features, pulse decomposition features, and demographic features were extracted. Combined feature strategy was used for feature compensation and normalization. Interpolation-based oversampling was adopted to improve the balance of training sample distribution. Hierarchical regression is proposed to refine BP estimation by ensemble average and range shrinkage. From the experiments, the mean absolute errors (MAEs) of systolic BP and diastolic BP were 7.55 mmHg and 5.96 mmHg, respectively, with the calibration-free and subject-split criterion. The study first presents the cuffless BP estimation results from PPG and ECG under the AAMI validation protocol.

Original languageEnglish
Title of host publicationBioCAS 2022 - IEEE Biomedical Circuits and Systems Conference
Subtitle of host publicationIntelligent Biomedical Systems for a Better Future, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages689-693
Number of pages5
ISBN (Electronic)9781665469173
DOIs
StatePublished - 2022
Event2022 IEEE Biomedical Circuits and Systems Conference, BioCAS 2022 - Taipei, Taiwan
Duration: 13 Oct 202215 Oct 2022

Publication series

NameBioCAS 2022 - IEEE Biomedical Circuits and Systems Conference: Intelligent Biomedical Systems for a Better Future, Proceedings

Conference

Conference2022 IEEE Biomedical Circuits and Systems Conference, BioCAS 2022
Country/TerritoryTaiwan
CityTaipei
Period13/10/2215/10/22

Keywords

  • blood pressure
  • cuffless
  • estimation
  • photoplethysmogram (PPG)

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