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A New Approach to Automatically Generate Optimal Poincare Plane From Discrete Time Series Publisher



Sharif B1 ; Jafari AH1
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Authors Affiliations
  1. 1. Medical Physics and Biomedical Engineering Department, School of Medicine, Tehran University of Medical Sciences, Iran

Source: Canadian Conference on Electrical and Computer Engineering Published:2015


Abstract

In biologic systems, it is not possible to access the whole system information directly and system dynamics usually need to be predicted from their time series. One approach to analyze these dynamics is to embed time series and extract samples by Poincare plane in embedding space. In order to extract the best samples from the system, selecting an appropriate plane is crucial. There is no unique way to choose a Poincare plane and it is highly dependent to the system dynamics. In this study; a new approach is introduced to automatically generate an optimum Poincare plane from discrete time series, based on maximum transferred information. For this purpose, time series are first embedded; then a parametric Poincare plane is defined and finally optimized using genetic algorithm. This approach is tested on epileptic EEG signals and the optimum Poincare plane is obtained with more than 97 % data information transferred. © 2015 IEEE.
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