Population
Single-lead ECG data (specific patient population and sample size not described in abstract)
Comparison
Kernel Principal Component Analysis algorithm… vs Standard Principal Component Analysis and R peak…
Design
Other
Authors
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May improve ECG-derived respiratory monitoring; leaves open prospective validation before clinical adoption.
Kernel PCA with an RBF kernel significantly improves the extraction of respiratory signals from single-lead ECGs compared to standard PCA and R peak amplitude methods.
Widjaja et al. (2012) studied this question.
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