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J. Patt. Recogn. Artif. Intell."],"published-print":{"date-parts":[[2019,8]]},"abstract":"<jats:p>The high accuracy of electroencephalogram (EEG) signal classification is the premise for the wide application of brain computer interface (BCI). In this paper, a hybrid method consisting of multivariate empirical mode decomposition (MEMD) and common space pattern (CSP) is proposed to recognize left-hand and right-hand hypothetical motion from EEG signals. Experiments were carried out using the BCI competition II imagery database. EEG signals were decomposed into multiple intrinsic mode functions (IMFs) by MEMD. The IMF functions with high correlation were processed by CSP, and AR coefficients and entropy values were extracted as features. After genetic algorithm optimization, classification is carried out. Our research results show that the K nearest neighbor (KNN) as an optimal classification model produces 85.36% accuracy. We also compare the proposed algorithm with the existing algorithms. The experimental results show that the performance of the proposed algorithm is comparable to or better than that of many existing algorithms.<\/jats:p>","DOI":"10.1142\/s0218001419590304","type":"journal-article","created":{"date-parts":[[2019,1,28]],"date-time":"2019-01-28T06:50:35Z","timestamp":1548658235000},"page":"1959030","source":"Crossref","is-referenced-by-count":7,"title":["EEG Signal Processing Based on Multivariate Empirical Mode Decomposition and Common Spatial Pattern Hybrid Algorithm"],"prefix":"10.1142","volume":"33","author":[{"given":"Linyan","family":"Wu","sequence":"first","affiliation":[{"name":"School of Information and Electrical Engineering, Shandong Jianzhu University, Ji\u2019nan 250100, P. R. 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