Subband analysis of cardiac late potentials

Subband analysis of cardiac late potentials

A set of Gaussian wavelet filters were used to decompose the averaged EC G into three frequency bands. Four subaverages from the leads X, Y and Z were filtered. The endpoint of beat related activity in each lead and frequency band were determined by using ensemble correlation on the four subaverages...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Svensson, Owe, Sornmo, Leif
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Electrocardiography
Entropy
Frequency conversion
Time frequency analysis
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Beschreibung
Zusammenfassung:A set of Gaussian wavelet filters were used to decompose the averaged EC G into three frequency bands. Four subaverages from the leads X, Y and Z were filtered. The endpoint of beat related activity in each lead and frequency band were determined by using ensemble correlation on the four subaverages. Endpoints of QRS-related activity as obtained from the subband filtered data were compared to those of highpass filtered data.
DOI:10.1109/IEMBS.1992.5761075