Blind adaptive filter extraction of fetal electrocardiogram...

Details Blind adaptive filter extraction of fetal electrocardiogram... Blind adaptive filter extraction of fetal electrocardiogram...

2006-01-27

2010-06-29

Bockelman, Mark W (Department: 3766)

Surgery

Diagnostic testing

Cardiovascular

C600S376000

Reexamination Certificate

active

07747316

ABSTRACT:
A blind adaptive filter of an apparatus in an example employs a frequency domain ECG-feature vector and a time domain ECG feature vector with a maternal ECG parameter estimate and a set of candidate fetal ECG estimates that satisfy the frequency domain ECG-feature-vector, to extract a fetal ECG signal estimate from raw abdominal ECG signals of a pregnant female. The fetal ECG signal estimate satisfies the frequency domain ECG feature-vector and the time domain ECG feature vector.

REFERENCES:
patent: 2007/0066908 (2007-03-01), Graupe et al.

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