Real-Time PPG-Based HRV Implementation Using Deep Learning and Simulink - Inria - Institut national de recherche en sciences et technologies du numérique
Conference Papers Year : 2022

Real-Time PPG-Based HRV Implementation Using Deep Learning and Simulink

Abstract

The Heart Rate Variability (HRV) signal computation relies on fiducial points typically obtained from the electrocardiogram (ECG) or the photoplethysmogram (PPG). Generally, these fiducial points correspond to the peaks of the ECG or PPG. Consequently, the HRV quality depends on the fiducial points detection accuracy. In a previous work, this subject has been addressed using Long Short-Term Memory (LSTM) Deep Learning algorithms for PPG segmentation, from which peak detection can be achieved. In the herein presented work, a Simulink® implementation of the LSTM algorithm is obtained for real-time PPG peak detection. HRV and outlier removal blocks are also implemented. The obtained code can be used to be embedded in hardware systems for real-time PPG acquisition and HRV visualization. A Root Mean Square Error (RMSE) mean of 0.0439 ± 0.0175 s was obtained, and no significant differences (p-value < 0.05) were found between the ground truth and the real-time implementation.

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Dates and versions

hal-04308378 , version 1 (27-11-2023)

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Filipa Cardoso, Arnaldo Batista, Valentina Vassilenko, Manuel Ortigueira. Real-Time PPG-Based HRV Implementation Using Deep Learning and Simulink. 13th Doctoral Conference on Computing, Electrical and Industrial Systems (DoCEIS), Jun 2022, Caparica, Portugal. pp.103-111, ⟨10.1007/978-3-031-07520-9_10⟩. ⟨hal-04308378⟩
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