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Intra- and inter-subject cross-validation accuracy (standard deviation between parentheses) using Riemannian tangent space classifier on signature based SPD matrices and covariance matrices respectively on two open MI-BCI datasets.
| Signature | Covariance | |||
|---|---|---|---|---|
| Intra | Inter | Intra | Inter | |
| BCI competition IV 2a | 71.4(18.1) | 66.1(11.8) | 81.1(16.6) | 69.2(15.9) |
| Physionet MI-BCI | 60.1(23.9) | 47.0(11.0) | 63.8(24.2) | 46.2(14.8) |
