Late potential detection using the phase of the Bispectrum

Author

Spaargaren, A. ; English, M.J.

Author_Institution

Sussex Univ., Brighton, UK

fYear

1998

fDate

13-16 Sep 1998

Firstpage

393

Lastpage

396

Abstract

The detection of Ventricular Late Potentials without averaging several hundred QRS complexes is highly desirable. The Bispectrum offers two attractive properties for this task, namely the suppression of Gaussian noise and the detection of signals arising from non-linear processes. A Bispectral Phase Index (BPI) is formed using the phase of the Bispectrum. This enables quadratically phase-coupled components to be defected from signals that do not have a random phase. The technique is used to distinguish successfully between normal high resolution recordings and those with added synthetic late potentials

Keywords

Gaussian noise; electrocardiography; medical signal detection; medical signal processing; spectral analysis; ECG analysis; Gaussian noise suppression; QRS complexes; added synthetic late potentials; electrodiagnostics; normal high resolution recordings; quadratically phase-coupled components; signals arising from nonlinear processes; ventricular late potentials detection; Fourier transforms; Fractionation; Frequency; Gaussian noise; Higher order statistics; Myocardium; Phase detection; Signal detection; Signal processing; Signal resolution;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers in Cardiology 1998

Conference_Location

Cleveland, OH

ISSN

0276-6547

Print_ISBN

0-7803-5200-9

Type

conf

DOI

10.1109/CIC.1998.731824

Filename

731824