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SVD-based on-line exercise ECG signal orthogonalization
1999
IEEE Transactions on Biomedical Engineering
An orthogonalization method to eliminate unwanted signal components in standard 12-lead exercise electrocardiograms (ECG's) is presented in this work. A singular-valuedecomposition-based algorithm is proposed to decompose the signal into two time-orthogonal subspaces; one containing the ECG and the other containing artifacts like baseline wander and electromyogram. The method makes use of redundancy in 12lead ECG. The same method is also tested for reconstruction of a completely lost channel.
doi:10.1109/10.748984
pmid:10097466
fatcat:zj4q3g3yyna55fx6apegstg45y