CEC Faculty Articles

Title

Parametric Modeling for Estimating Abnormal Intra-QRS Potentials in Signal-Averaged Electrocardiograms: A Subspace Identification Approach

Event Date/Location

Brussels, Belgium

Document Type

Article

Date

7-2012

Publication Title

IFAC Proceedings Volumes

ISSN or ISBN

1474-6670

Volume

45

Issue

16

First Page

565

Last Page

570

Description

This paper addresses the detection and classification of low amplitude signals within the QRS complex of the signal-averaged electrocardiogram. Linear and bilinear Kalman filter models are fitted using the subspace system identification family of algorithms. If the residuals from the models are a white noise process, then anything that cannot be modeled with the state-space models will show up in the residuals as low amplitude signal + noise. Diagnostic tests and analysis on the residuals will then lead to detection and classification of abnormalities in the intra-QRS complex. The end result is a diagnostic tool to aid the physician.

DOI

10.3182/20120711-3-BE-2027.00402

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