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- W2089517294 abstract "In this paper, an efficient scheme is proposed for classification of electroencephalogram (EEG) data in to different motor imagery (MI) tasks based on empirical mode decomposition (EMD). The EEG data recorded from each channel is first decomposed into a set of intrinsic mode functions (IMFs) by using the EMD analysis. In view of extracting discriminative information from the EEG signals corresponding to different MI tasks, we propose to utilize the entropy of band-limited IMF. Instead of considering all IMFs or first few IMFs, in the proposed method only the first IMF is chosen because of its low variance. In order to reduce the dimension of the feature vector consisting of entropy values from all channels, principal component analysis is performed. For the purpose of classification, train and test datasets are formed as per leave one out cross validation scheme and then linear discriminant analysis (LDA) is carried out. Simulation is performed on publicly available MI dataset IVa of BCI Competition-III to classify the MI data in to two classes, namely right hand and right foot MI tasks. It is observed that the proposed classification scheme not only offers significant reduction in feature dimensionality but also provides satisfactory classification accuracy." @default.
- W2089517294 created "2016-06-24" @default.
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- W2089517294 date "2014-12-01" @default.
- W2089517294 modified "2023-09-26" @default.
- W2089517294 title "Motor imagery EEG signal classification scheme based on entropy of intrinsic mode function" @default.
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- W2089517294 doi "https://doi.org/10.1109/icece.2014.7027019" @default.
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