Research on dry electrode SSVEP classification algorithm based on improved convolutional neural network

Mengjia He, Yingnian Wu, Tao Wang and Yujie Chen

International Journal of Service and Computing Oriented Manufacturing, 2021, vol. 4, issue 1, 70-88

Abstract: SSVEP signal is mainly collected by a wet electrode. Wet electrode collection steps are tedious, and dry electrode collection is simple and easy to apply, so the study of dry electrode is the focus of SSVEP research. Although the dry electrode is easy to collect, the ITR is low and the signal intensity of the EEG signal of the subjects is highly differentiated. At present, the cross trial classification of SSVEP is the focus and difficulty of research. In order to be able to meet the situation without calibration and can still have higher adaptability, in this paper, deep convolutional neural network is improved for the classification of dry electrode SSVEP. The classification of ten types of SSVEP dry electrode signals can reach the classification accuracy of 91.11%, and the ITR of 1S can reach 54.87, which has a very broad application scenario.

Keywords: BCI; steady-state visual evoked potential; SSVEP; dry electrode; convolutional neural network; no calibration. (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (2)

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