Fig. 10

Classification accuracy across all subjects. Radar chart legend: (a) Time-frequency feature-based EEG classification; (b) Time-frequency feature-based fNIRS classification; (c) Common spatial pattern (CSP)-based EEG classification; (d) Filter bank CSP (FBCSP)-based EEG classification; (e) CSP-based fNIRS classification; (f) Deep neural network for EEG classification; (g) Deep neural network for fNIRS classification; (h) Deep neural network for hybrid EEG-fNIRS classification. N denotes subject ID.