The maximum a posteriori approach to the inverse problem of electrocardiography

G. Bu, Robert D. Throne, L. Olson, J. Windle

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


In this paper we investigate the previously proposed maximum a posteriori (MAP) approach to the problem of determining epicardial potentials from measured body surface potentials, a form of the inverse problem of electrocardiography. The MAP inverse approach uses a priori knowledge of the covariances between epicardial electrograms in its estimate of epicardial potentials. However, in practice, this information is not generally available. In this paper we examined the effectiveness of this method when the covariances are estimated using one depolarization sequence and the MAP method is used with these covariances to estimate the epicardial potentials for a different depolarization sequence.

Original languageEnglish (US)
Pages (from-to)158-162
Number of pages5
JournalBiomedical Sciences Instrumentation
StatePublished - 2003


  • Inverse electrocardiography
  • Maximum a priori method
  • Regularization

ASJC Scopus subject areas

  • Biophysics
  • Medical Laboratory Technology


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