Multi-channel EEG-based emotion recognition via a multi-level features guided capsule network
Liu,Yu1; Ding,Yufeng1; Li,Chang1; Cheng,Juan1; Song,Rencheng1; Wan,Feng2; Chen,Xun3
Source PublicationComputers in Biology and Medicine
AbstractIn recent years, deep learning (DL) techniques, and in particular convolutional neural networks (CNNs), have shown great potential in electroencephalograph (EEG)-based emotion recognition. However, existing CNN-based EEG emotion recognition methods usually require a relatively complex stage of feature pre-extraction. More importantly, the CNNs cannot well characterize the intrinsic relationship among the different channels of EEG signals, which is essentially a crucial clue for the recognition of emotion. In this paper, we propose an effective multi-level features guided capsule network (MLF-CapsNet) for multi-channel EEG-based emotion recognition to overcome these issues. The MLF-CapsNet is an end-to-end framework, which can simultaneously extract features from the raw EEG signals and determine the emotional states. Compared with original CapsNet, it incorporates multi-level feature maps learned by different layers in forming the primary capsules so that the capability of feature representation can be enhanced. In addition, it uses a bottleneck layer to reduce the amount of parameters and accelerate the speed of calculation. Our method achieves the average accuracy of 97.97%, 98.31% and 98.32% on valence, arousal and dominance of DEAP dataset, respectively, and 94.59%, 95.26% and 95.13% on valence, arousal and dominance of DREAMER dataset, respectively. These results show that our method exhibits higher accuracy than the state-of-the-art methods.
KeywordCapsule network Deep learning Electroencephalogram (EEG) Emotion recognition
URLView the original
Scopus ID2-s2.0-85088374674
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Cited Times [WOS]:4   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorLi,Chang
Affiliation1.Department of Biomedical Engineering,Hefei University of Technology,Hefei,230009,China
2.Department of Electrical and Computer Engineering,University of Macau,Macau,China
3.Department of Electronic Science and Technology,University of Science and Technology of China,Hefei,230027,China
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GB/T 7714
Liu,Yu,Ding,Yufeng,Li,Chang,et al. Multi-channel EEG-based emotion recognition via a multi-level features guided capsule network[J]. Computers in Biology and Medicine,2020,123.
APA Liu,Yu,Ding,Yufeng,Li,Chang,Cheng,Juan,Song,Rencheng,Wan,Feng,&Chen,Xun.(2020).Multi-channel EEG-based emotion recognition via a multi-level features guided capsule network.Computers in Biology and Medicine,123.
MLA Liu,Yu,et al."Multi-channel EEG-based emotion recognition via a multi-level features guided capsule network".Computers in Biology and Medicine 123(2020).
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