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Inherent fuzzy entropy for the improvement of EEG complexity evaluation

Cao, Z ORCID: 0000-0003-3656-0328 and Lin, C-T 2017 , 'Inherent fuzzy entropy for the improvement of EEG complexity evaluation' , IEEE Transactions on Fuzzy Systems, vol. 26, no. 2 , pp. 1032-1035 , doi: 10.1109/TFUZZ.2017.2666789.

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Abstract

In recent years, the concept of entropy has been widely used to measure the dynamic complexity of signals. Since the state of complexity of human beings is significantly affected by their health state, developing accurate complexity evaluation algorithms is a crucial and urgent area of study. This paper proposes using inherent fuzzy entropy (Inherent FuzzyEn) and its multiscale version, which employs empirical mode decomposition and fuzzy membership function (exponential function) to address the dynamic complexity in electroencephalogram (EEG) data. In the literature, the reliability of entropy-based complexity evaluations has been limited by superimposed trends in signals and a lack of multiple time scales. Our proposed method represents the first attempt to use the Inherent FuzzyEn algorithm to increase the reliability of complexity evaluation in realistic EEG applications. We recorded the EEG signals of several subjects under resting condition, and the EEG complexity was evaluated using approximate entropy, sample entropy, FuzzyEn, and Inherent FuzzyEn, respectively. The results indicate that Inherent FuzzyEn is superior to other competing models regardless of the use of fuzzy or nonfuzzy structures, and has the most stable complexity and smallest root mean square deviation.

Item Type: Article
Authors/Creators:Cao, Z and Lin, C-T
Keywords: EEG, EMD, complexity, fuzzy, entropy
Journal or Publication Title: IEEE Transactions on Fuzzy Systems
Publisher: Ieee-Inst Electrical Electronics Engineers Inc
ISSN: 1063-6706
DOI / ID Number: 10.1109/TFUZZ.2017.2666789
Copyright Information:

Copyright 2016 IEEE.

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