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Publication Type : Journal Article
Publisher : Sensors
Source : Sensors,MDPI,22(19),7596,Oct2022,SCI,Impact factor3.847
Url : https://pubmed.ncbi.nlm.nih.gov/36236694/
Campus : Chennai
School : School of Computing
Department : Computer Science and Engineering
Year : 2022
Abstract : An efficient feature extraction method for two classes of electroencephalography (EEG) is demonstrated using Common Spatial Patterns (CSP) with optimal spatial filters. However, the effects of artifacts and non-stationary uncertainty are more pronounced when CSP filtering is used. Furthermore, traditional CSP methods lack frequency domain information and require many input channels. Therefore, to overcome this shortcoming, a feature extraction method based on Online Recursive Independent Component Analysis (ORICA)-CSP is proposed. For EEG-based brain-computer interfaces (BCIs), especially online and real-time BCIs, the most widely used classifiers used to be linear discriminant analysis (LDA) and support vector machines (SVM). Previous evaluations clearly show that SVMs generally outperform other classifiers in terms of performance. In this case, Adaptive Support Vector Machine (A-SVM) is used for classification together with the ORICA-CSP method. The results are promising, and the experiments are performed on EEG data of 4 classes' motor images, namely Dataset 2a of BCI Competition IV.
Cite this Research Publication : Mary Judith, Baghavathi Priya,Mahendran R K, Gardezi A A, Shafiq M,Choi J-G, Hamam H, Classification of EEG Using Adaptive SVM Classifier with CSP and Online Recursive Independent Component Analysis, Sensors,MDPI,22(19),7596,Oct 2022,SCI,Impact factor3.847,https://doi.org/10.3390/s22197596