Shallow Inception Domain Adaptation Network for EEG-based Motor Imagery Classification

Xiuyu Huang, Kup Sze Choi, Nan Zhou, Yuanpeng Zhang, Badong Chen, Witold Pedrycz

Research output: Journal article publicationJournal articleAcademic researchpeer-review

1 Citation (Scopus)


Electroencephalography (EEG) data across multiple individuals have a high variance. Directly using the data to train a deep learning model usually degrades the performance. To address this issue, we propose a shallow Inception domain adaptation framework to extract informative deep features from data of multiple subjects for accurate motor imagery (MI) recognition. To our best knowledge, the Inception architecture in deep learning is combined with domain adaptation (DA) scheme for the first time for the MI classification task. The approach contains two compact Inception blocks that decode temporal features in different scales. In addition, we jointly optimize a novel combined loss function to reduce both marginal and class conditional discrepancies caused by the multi-modal structure of EEG signals. The DA-based loss enables Inception blocks to take full advantage of their learning abilities to capture discriminative patterns of MI data from multiple subjects instead of relying on the target user only. To demonstrate the effectiveness of our approach, we conduct substantial experiments on two wellknown datasets, BCI competition IV-2a and IV-2b. Results show that our model achieves better performance than state-of-theart strategies. The proposed model is able to extract informative features from high-variant EEG data collected from different individuals and achieves accurate MI classifications.

Original languageEnglish
Pages (from-to)1
Number of pages1
JournalIEEE Transactions on Cognitive and Developmental Systems
Publication statusAccepted/In press - 2023


  • Brain modeling
  • Data models
  • Deep learning
  • Deep neural network
  • Domain adaptation
  • Electroencephalography
  • Feature extraction
  • Inception
  • Motor imagery
  • Task analysis
  • Training

ASJC Scopus subject areas

  • Software
  • Artificial Intelligence


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