Key result
An adaptive comb filter with an adaptive lattice infinite impulse response notch filter successfully reduced motion artifacts from quasi-periodic photoplethysmographic signals.
Population
Photoplethysmographic (PPG) signals
Design
Other
Authors
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May aid motion-artifact reduction in wearable PPG monitoring; leaves open prospective clinical validation.
An adaptive comb filter with an adaptive lattice IIR notch filter can successfully reduce motion artifacts in PPG signals, potentially improving the reliability of cardio-respiratory monitoring.
Lee et al. (2011) studied Motion artifacts in photoplethysmographic (PPG) signals. Adaptive comb filter (ACF) with adaptive lattice infinite impulse response (IIR) notch filter (ALNF) was evaluated on Reduction of motion artifacts from PPG signal. An adaptive comb filter with an adaptive lattice infinite impulse response notch filter successfully reduced motion artifacts from quasi-periodic photoplethysmographic signals.
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