Transfer learning of bci using cur algorithm
The brain computer interface (BCI) are used in many applications including medical, environment, education, economy, and social fields. In order to have a high performing BCI classification, the training set must contain variations of high quality subjects which are discriminative. Variations will a...
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my.utm.863862020-10-13T01:59:34Z http://eprints.utm.my/id/eprint/86386/ Transfer learning of bci using cur algorithm Fauzi, H. Shapiai, M. I. Khairuddin, U. T Technology (General) The brain computer interface (BCI) are used in many applications including medical, environment, education, economy, and social fields. In order to have a high performing BCI classification, the training set must contain variations of high quality subjects which are discriminative. Variations will also drive transferability of training data for generalization purposes. However, if the test subject is unique from the training set variations, BCI performance may suffer. Previously, this problem was solved by introducing transfer learning in the context of spatial filtering on small training set by creating high quality variations within training subjects. In this study however, it was discovered that transfer learning can also be used to compress the training data into an optimal compact size while improving training data performance. The transfer learning framework proposed was on motor imagery BCI-EEG using CUR matrix decomposition algorithm which decomposes data into two components; C and UR which is each subject’s EEG signal and common matrix derived from historical EEG data, respectively. The method is considered transfer learning process because it utilizes historical data as common matrix for the classification purposes. This framework is implemented in the BCI system along with Common Spatial Pattern (CSP) as features extractor and Extreme Learning Machine (ELM) as classifier and this combination exhibits an increase of accuracy to up to 26% with 83% training database compression. Springer 2020-01 Article PeerReviewed Fauzi, H. and Shapiai, M. I. and Khairuddin, U. (2020) Transfer learning of bci using cur algorithm. Journal of Signal Processing Systems, 92 (1). pp. 109-121. ISSN 1939-8018 https://dx.doi.org/10.1007/s11265-019-1440-9 DOI:10.1007/s11265-019-1440-9 |
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The brain computer interface (BCI) are used in many applications including medical, environment, education, economy, and social fields. In order to have a high performing BCI classification, the training set must contain variations of high quality subjects which are discriminative. Variations will also drive transferability of training data for generalization purposes. However, if the test subject is unique from the training set variations, BCI performance may suffer. Previously, this problem was solved by introducing transfer learning in the context of spatial filtering on small training set by creating high quality variations within training subjects. In this study however, it was discovered that transfer learning can also be used to compress the training data into an optimal compact size while improving training data performance. The transfer learning framework proposed was on motor imagery BCI-EEG using CUR matrix decomposition algorithm which decomposes data into two components; C and UR which is each subject’s EEG signal and common matrix derived from historical EEG data, respectively. The method is considered transfer learning process because it utilizes historical data as common matrix for the classification purposes. This framework is implemented in the BCI system along with Common Spatial Pattern (CSP) as features extractor and Extreme Learning Machine (ELM) as classifier and this combination exhibits an increase of accuracy to up to 26% with 83% training database compression. |
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Article |
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Fauzi, H. Shapiai, M. I. Khairuddin, U. |
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Fauzi, H. Shapiai, M. I. Khairuddin, U. |
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Fauzi, H. |
title |
Transfer learning of bci using cur algorithm |
title_short |
Transfer learning of bci using cur algorithm |
title_full |
Transfer learning of bci using cur algorithm |
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Transfer learning of bci using cur algorithm |
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Transfer learning of bci using cur algorithm |
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transfer learning of bci using cur algorithm |
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Springer |
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2020 |
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http://eprints.utm.my/id/eprint/86386/ https://dx.doi.org/10.1007/s11265-019-1440-9 |
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