Journal
BIOMEDICAL SIGNAL PROCESSING AND CONTROL
Volume 70, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.bspc.2021.102992
Keywords
ECG; Baseline wander; Deep learning; Noise filtering
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This paper proposes a novel algorithm for BLW noise filtering using deep learning techniques, which shows promising results in processing ECG signals and outperforms traditional filtering and other deep learning methods in terms of performance.
According to the World Health Organization, around 36% of the annual deaths are associated with cardiovascular diseases and 90% of heart attacks are preventable. Electrocardiogram signal, acquired whether during exercise stress test or resting conditions, allows cardiovascular disease diagnosis. However, during the acquisition, there is a variety of noises that may damage the signal quality thereby compromising their diagnostic potential. The baseline wander is one of the most undesirable noises. In this work, we propose a novel algorithm for BLW noise filtering using deep learning techniques. The model performance was validated using the QT Database and the MIT-BIH Noise Stress Test Database from Physionet. In addition, several comparative experiments were performed against state-of-the-art methods using traditional filtering as well as deep learning techniques. The proposed approach yields the best results on four similarity metrics, namely: the sum of squared distance, maximum absolute square, percentage of root distance, and cosine similarity with 5.20 +/- 7.96 au, 0.39 +/- 0.28 au, 50.45 +/- 29.60 au and, 0.89 +/- 0.1 au, respectively. The source codes of the proposed model as well as the implementation of related techniques are freely available on Github.
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