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タイトル: | EEGFuseNet: Hybrid Unsupervised Deep Feature Characterization and Fusion for High-Dimensional EEG With an Application to Emotion Recognition |
著者: | Liang, Zhen Zhou, Rushuang Zhang, Li Li, Linling Huang, Gan Zhang, Zhiguo Ishii, Shin |
著者名の別形: | 石井, 信 |
キーワード: | Electroencephalography information fusion hybrid deep encoder-decoder network CNN-RNN-GAN unsupervised emotion recognition |
発行日: | 2021 |
出版者: | Institute of Electrical and Electronics Engineers (IEEE) |
誌名: | IEEE Transactions on Neural Systems and Rehabilitation Engineering |
巻: | 29 |
開始ページ: | 1913 |
終了ページ: | 1925 |
抄録: | How to effectively and efficiently extract valid and reliable features from high-dimensional electroencephalography (EEG), particularly how to fuse the spatial and temporal dynamic brain information into a better feature representation, is a critical issue in brain data analysis. Most current EEG studies work in a task driven manner and explore the valid EEG features with a supervised model, which would be limited by the given labels to a great extent. In this paper, we propose a practical hybrid unsupervised deep convolutional recurrent generative adversarial network based EEG feature characterization and fusion model, which is termed as EEGFuseNet. EEGFuseNet is trained in an unsupervised manner, and deep EEG features covering both spatial and temporal dynamics are automatically characterized. Comparing to the existing features, the characterized deep EEG features could be considered to be more generic and independent of any specific EEG task. The performance of the extracted deep and low-dimensional features by EEGFuseNet is carefully evaluated in an unsupervised emotion recognition application based on three public emotion databases. The results demonstrate the proposed EEGFuseNet is a robust and reliable model, which is easy to train and performs efficiently in the representation and fusion of dynamic EEG features. In particular, EEGFuseNet is established as an optimal unsupervised fusion model with promising cross-subject emotion recognition performance. It proves EEGFuseNet is capable of characterizing and fusing deep features that imply comparative cortical dynamic significance corresponding to the changing of different emotion states, and also demonstrates the possibility of realizing EEG based cross-subject emotion recognition in a pure unsupervised manner. |
著作権等: | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License. |
URI: | http://hdl.handle.net/2433/277585 |
DOI(出版社版): | 10.1109/TNSRE.2021.3111689 |
PubMed ID: | 34506287 |
出現コレクション: | 学術雑誌掲載論文等 |
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