Motor Imagery Recognition of EEG Signal using Cuckoo Search Masking Empirical Mode Decomposition
Journal Title: International Journal of Trend in Scientific Research and Development - Year 2020, Vol 4, Issue 2
Abstract
Brain Computer Interface BCI aims at providing an alternate means of communication and control to people with severe cognitive or sensory motor disabilities. Brain Computer Interface in electroencephalogram EEG is of great important but it is challenging to manage the non stationary EEG. EEG signals are more vulnerable to contamination due to noise and artifacts. In our proposed work, we used Cuckoo Search Masking Empirical Mode decomposition to ignore such vulnerable things. Initially, the features of EEG signals are taken such as Energy, AR Coefficients, Morphological features and Fuzzy Approximate Entropy. Then, for Feature extraction method, Masking Empirical Mode Decomposition MEMD is applied to deal with motor imagery MI recognition tasks. The EEG signal is decomposed by MEMD and hybrid features are then extracted from the first two intrinsic mode functions IMFs . After the extracted features, Cuckoo Search algorithm is used to select the significant features. Different weights for the relevance and redundancy in the fitness function of the proposed algorithm are used to further improve their performance in terms of the number of features and the classification accuracy and finally they are fed into Linear Discriminant Analysis for classification. This analysis produces models whose accuracy is as good as more complex method. The results show that our proposed method can achieve the highest accuracy, maximal MI, recall as well as precision for Motor Imagery Recognition tasks. Our proposed method is comparable or superior than existing method. Jaipriya D ""Motor Imagery Recognition of EEG Signal using Cuckoo-Search Masking Empirical Mode Decomposition"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-4 | Issue-2 , February 2020, URL: https://www.ijtsrd.com/papers/ijtsrd30020.pdf Paper Url : https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/30020/motor-imagery-recognition-of-eeg-signal-using-cuckoo-search-masking-empirical-mode-decomposition/jaipriya-d
Authors and Affiliations
Jaipriya D
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