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Communication Dans Un Congrès Année : 2020

U-Net Neural Network for Heartbeat Detection in Ballistocardiography

Résumé

Monitoring vital signs of neonates can be harmful and lead to developmental troubles. Ballistocardiography, a contactless heart rate monitoring method, has the potential to reduce this monitoring pain. However, signal processing is uneasy due to noise, inherent physiological variability and artifacts (e.g. respiratory amplitude modulation and body position shifts). We propose a new heartbeat detection method using neural networks to learn this variability. A U-Net model takes thirty-second-long records as inputs and acts like a nonlinear filter. For each record, it outputs the samples probabilities of belonging to IJK segments. A heartbeat detection algorithm finally detects heartbeats from those segments, based on a distance criterion. The U-Net has been trained on 30 healthy subjects and tested on 10 healthy subjects, from 8 to 74 years old. Heartbeats have been detected with 92% precision and 80% recall, with possible optimization in the future to achieve better performance.
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Dates et versions

hal-03078490 , version 1 (16-12-2020)

Identifiants

Citer

Guillaume Cathelain, Bertrand Rivet, Sophie Achard, Jean Bergounioux, Francois Jouen. U-Net Neural Network for Heartbeat Detection in Ballistocardiography. EMBC 2020 - CMBEC 2020 - 42nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society with 43rd Annual Conference of the Canadian Medical and Biological Engineering Society, Jul 2020, Montreal (virtual), Canada. pp.465-468, ⟨10.1109/EMBC44109.2020.9176687⟩. ⟨hal-03078490⟩
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