Key result
A bidirectional LSTM regression network for non-invasive heart rate estimation from ballistocardiograms improved robustness to noise and perturbations compared to state-of-the-art methods.
Why the study?
Existing BCG heart rate estimation faces challenges including mismatch between BCG signals and ground-truth reference, multi-sensor fusion, and effective time series feature learning.
Does a bi-LSTM regression network improve heart rate estimation from ballistocardiograms compared to existing methods?
Does a bi-LSTM regression network improve heart rate estimation from ballistocardiograms compared to existing methods?
Answers are grounded in this paper and cite their sources.
A novel bi-LSTM regression network improves the robustness and accuracy of non-invasive heart rate estimation from ballistocardiogram signals.
Non-invasive heart rate estimation is of great importance in daily monitoring of cardiovascular diseases. In this paper, a bidirectional long short term memory (bi-LSTM) regression network is developed for non-invasive heart rate estimation from the ballistocardiograms (BCG) signals. The proposed deep regression model provides an effective solution to the existing challenges in BCG heart rate estimation, such as the mismatch between the BCG signals and ground-truth reference, multi-sensor fusion and effective time series feature learning. Allowing label uncertainty in the estimation can reduce the manual cost of data annotation while further improving the heart rate estimation performance. Compared with the state-of-the-art BCG heart rate estimation methods, the strong fitting and generalization ability of the proposed deep regression model maintains better robustness to noise (e.g., sensor noise) and perturbations (e.g., body movements) in the BCG signals and provides a more reliable solution for long term heart rate monitoring.
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Jiao et al. (2021) studied cardiovascular diseases. Bidirectional LSTM regression network vs. State-of-the-art BCG heart rate estimation methods was evaluated on Heart rate estimation performance. A bidirectional LSTM regression network for non-invasive heart rate estimation from ballistocardiograms improved robustness to noise and perturbations compared to state-of-the-art methods.
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