Abstract
Existing electroencephalogram (EEG) collection devices primarily include EEG collection systems for medical scientific research and BrainLink or earphones for commercial advertising. The EEG collection systems employ multiple-input multiple-output connections, making the circuit and wiring complex. However, the BrainLink or earphones are usually designed for entertainment mainly collecting one or two EEG locations. To address these problems, in this paper, a multiple-input single-output collection device (MISOCD) is developed that can obtain a single-channel mixed signal, and a multiple-input single-output blind separation (MISOBS) algorithm is proposed to separate multiple-channel signals from a single-channel mixed signal by introducing an improved parallel dual generative adversarial network that can build one-to-multiple mapping. An experiment is conducted on synthetic signals to illustrate the separation performance of the proposed MISOBS algorithm, which significantly outperforms the state-of-the-art algorithms. The real signals collected by the MISOCD are used for gesture recognition.
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Acknowledgements
This study was supported by National Natural Science Foundation of China under Grant 62271341, China Scholarship Council under Grant [2020]1417, Natural Science Foundation for Young Scientists of Shanxi Province under Grant 201901D211313, Key Research and Development Project of Shanxi Province under Grant 201803D421035, Shanxi Scholarship Council of China under Grant HGKY2019080, Shanxi Province Postgraduate Excellent Innovation Project Plan under Grant 2021Y679. The authors would like to thank the anonymous reviewers for their constructive comments on improving this article and NES (http://www.nesediting.com) for English language editing.
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Liu, T., Gong, Z., Zhang, X. et al. Design of Multiple-Input Single-Output System for EEG Signals. Circuits Syst Signal Process 42, 2215–2234 (2023). https://doi.org/10.1007/s00034-022-02202-4
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DOI: https://doi.org/10.1007/s00034-022-02202-4