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Detection of Dynamical Transitions in Biomedical Signals Using Nonlinear Methods

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Knowledge-Based Intelligent Information and Engineering Systems (KES 2004)

Part of the book series: Lecture Notes in Computer Science ((LNAI,volume 3215))

Abstract

The ability to detect the existence of nonlinear dynamics may facilitate medical diagnostics for identifying, monitoring and predicting transitions from health to sickness. Detection of such transitions depends on the quality of the available biomedical signals and the relevance of the nonlinear statistics employed. The dangers of using irrelevant statistics are discussed. A simple intuitive nonlinear statistic, which evaluates changes in the distribution of points in state space is shown to be capable of detecting both linear and nonlinear dynamical transitions. This new technique, known as multi-dimensional probability evolution (MDPE), is illustrated using a synthetic signal obtained by mixing stochastic and a chaotic processes. Its utility in detecting transitions in biomedical data is demonstrated using a database of electrocardiograms collected from subjects who experienced partial epileptic seizures.

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References

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© 2004 Springer-Verlag Berlin Heidelberg

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McSharry, P.E. (2004). Detection of Dynamical Transitions in Biomedical Signals Using Nonlinear Methods. In: Negoita, M.G., Howlett, R.J., Jain, L.C. (eds) Knowledge-Based Intelligent Information and Engineering Systems. KES 2004. Lecture Notes in Computer Science(), vol 3215. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30134-9_65

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  • DOI: https://doi.org/10.1007/978-3-540-30134-9_65

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-23205-6

  • Online ISBN: 978-3-540-30134-9

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