ICG signal noise cancellation algorithms for non-invasive hemodynamic monitoring
by Hadjer Benabdallah; Salim Kerai
International Journal of Medical Engineering and Informatics (IJMEI), Vol. 15, No. 3, 2023

Abstract: Impedance cardiography (ICG) non-invasive technique is a new way in the medical field, used for diagnosis and monitoring of cardiovascular disorders. The signal processing domain developed several denoising techniques applied for the cancellation of respiratory and movements' artefacts that corrupted the acquired signal shape. For this main purpose, our paper is based on a comparative study between different type of adaptive filters and Savitzky-Golay (SG) filtering, those are applied to the sensed impedance to noise removal for hemodynamic parameters monitoring. The results demonstrated in this work are more suitable; it confirmed that the proposed SG denoising filter outperformed the other techniques cited in state-of-art in terms of preserving information carried over on the signal when the mean error rate of the SG technique is equal to 0.00038%.

Online publication date: Thu, 04-May-2023

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