BCI Signal Classification using a Riemannian-based kernel

نویسندگان

  • Alexandre Barachant
  • Stéphane Bonnet
  • Marco Congedo
  • Christian Jutten
چکیده

The use of spatial covariance matrix as feature is investigated for motor imagery EEG-based classification. A new kernel is derived by establishing a connection with the Riemannian geometry of symmetric positive definite matrices. Different kernels are tested, in combination with support vector machines, on a past BCI competition dataset. We demonstrate that this new approach outperforms significantly state of the art results without the need for spatial filtering.

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تاریخ انتشار 2012