Fig 1.
The flowchart.
Fig 2.
The conversion process of EEG signals.
(a): The conversion process of Spatial-Temporal graph representation; (b): The conversion process of Spatial-Spectral graph representation.
Fig 3.
The construction process of graph.
Table 1.
The structure of temporal / spectral convolution.
Table 2.
The structure of global feature aggregation.
Table 3.
Details of the experimental environment.
Table 4.
The contrast results of different methods in BCICIV-2a dataset.
Table 5.
The contrast results of different methods in BCICIII-3a dataset.
Table 6.
The contrast results of different methods in HaLT dataset.
Table 7.
The contrast results of different methods in AHU-MIEEG dataset.
Fig 4.
The ablation results of different variants.
(a) BCICIV-2a dataset. (b) BCICIII-3a dataset. (c) HaLT dataset. (d) AHU-MIEEG dataset.