Motion artifact cancellation to obtain heart sounds from a single chest-worn accelerometer

• Published in: 2010 IEEE International Conference on Acoustics, Speech and Signal Processing pp. 590 - 593
• Main Authors: Pandia, K, Ravindran, S, Cole, R, Kovacs, G, Giovangrandi, L
• Format: Conference Proceeding
• Language: English
• Published: IEEE 01.03.2010
• Subjects: Acceleration; Accelerometers; Electrocardiography; Filters; Frequency; Heart rate; heart-rate detection; heart-sound signal detection; Least squares approximation; motion artifact removal; Noise reduction; Polynomials; Smoothing methods

This paper presents a method of extracting primary heart sound signals from chest-worn accelerometer data in the presence of motion artifacts. The proposed method outperforms noise removal techniques such as wavelet denoising and adaptive filtering. Results from six subjects show a primary heart sig...