Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation
<italic>Goal:</italic> Building a DL model that can be trained on small EEG training set of a single subject presents an interesting challenge that this work is trying to address. In particular, this study is trying to avoid the need for long EEG data collection sessions, and without com...
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2022
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oai:scholars.utp.edu.my:338892022-12-20T03:45:06Z http://scholars.utp.edu.my/id/eprint/33889/ Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation Alwasiti, H. Yusoff, M.Z. <italic>Goal:</italic> Building a DL model that can be trained on small EEG training set of a single subject presents an interesting challenge that this work is trying to address. In particular, this study is trying to avoid the need for long EEG data collection sessions, and without combining multiple subjects training datasets, which has a detrimental effect on the classification performance due to the inter-individual variability among subjects. <italic>Methods:</italic> A customized Convolutional Neural Network with mixup augmentation was trained with <inline-formula><tex-math notation="LaTeX">\scriptstyle \mathtt ∼ </tex-math></inline-formula>120 EEG trials for only one subject per model. <italic>Results:</italic> Modified ResNet18 and DenseNet121 models with mixup augmentation achieved 0.920 (95% Confidence Interval: 0.908, 0.933) and 0.933 (95% Confidence Interval: 0.922, 0.945) classification accuracy, respectively. <italic>Conclusions:</italic> We show that the designed classifiers resulted in a higher classification performance in comparison to other DL classifiers of previous studies on the same dataset, despite the limited training dataset used in this work. Author Institute of Electrical and Electronics Engineers Inc. 2022 Article NonPeerReviewed Alwasiti, H. and Yusoff, M.Z. (2022) Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation. IEEE Open Journal of Vehicular Technology. pp. 1-8. ISSN 26441330 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85141601510&doi=10.1109%2fOJEMB.2022.3220150&partnerID=40&md5=7008622fa0e2cf117d6d10a68fe70539 10.1109/OJEMB.2022.3220150 10.1109/OJEMB.2022.3220150 10.1109/OJEMB.2022.3220150 |
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<italic>Goal:</italic> Building a DL model that can be trained on small EEG training set of a single subject presents an interesting challenge that this work is trying to address. In particular, this study is trying to avoid the need for long EEG data collection sessions, and without combining multiple subjects training datasets, which has a detrimental effect on the classification performance due to the inter-individual variability among subjects. <italic>Methods:</italic> A customized Convolutional Neural Network with mixup augmentation was trained with <inline-formula><tex-math notation="LaTeX">\scriptstyle \mathtt ∼ </tex-math></inline-formula>120 EEG trials for only one subject per model. <italic>Results:</italic> Modified ResNet18 and DenseNet121 models with mixup augmentation achieved 0.920 (95% Confidence Interval: 0.908, 0.933) and 0.933 (95% Confidence Interval: 0.922, 0.945) classification accuracy, respectively. <italic>Conclusions:</italic> We show that the designed classifiers resulted in a higher classification performance in comparison to other DL classifiers of previous studies on the same dataset, despite the limited training dataset used in this work. Author |
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Alwasiti, H. Yusoff, M.Z. |
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Alwasiti, H. Yusoff, M.Z. Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation |
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Alwasiti, H. Yusoff, M.Z. |
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Alwasiti, H. |
title |
Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation |
title_short |
Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation |
title_full |
Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation |
title_fullStr |
Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation |
title_full_unstemmed |
Motor Imagery Classification for Brain Computer Interface using Deep Convolutional Neural Networks and Mixup Augmentation |
title_sort |
motor imagery classification for brain computer interface using deep convolutional neural networks and mixup augmentation |
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Institute of Electrical and Electronics Engineers Inc. |
publishDate |
2022 |
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http://scholars.utp.edu.my/id/eprint/33889/ https://www.scopus.com/inward/record.uri?eid=2-s2.0-85141601510&doi=10.1109%2fOJEMB.2022.3220150&partnerID=40&md5=7008622fa0e2cf117d6d10a68fe70539 |
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