Evaluation of a Compact Hybrid Brain-Computer Interface System
Table 1
Maximum classification accuracies of each subject for near-infrared spectroscopy (NIRS), electroencephalography (EEG), and their possible combination (HYB) after onset of task period.
Subject
EEG
HbR
+EEG
HbO
+EEG
HbR + HbO
+EEG
VP001
66.8
86.3
86.0
86.7
84.7
89.0
87.5
VP002
85.8
78.2
86.0
85.2
84.8
84.3
85.8
VP003
88.7
87.2
91.5
87.5
90.2
90.5
93.3
VP004
67.5
82.2
82.0
72.2
77.7
83.0
82.5
VP005
88.3
80.8
88.3
83.0
90.0
82.0
88.3
VP006
96.7
90.5
97.3
85.8
96.7
93.5
98.0
VP007
93.8
86.8
93.7
89.5
94.2
90.3
93.7
VP008
88.2
81.8
89.7
90.5
92.0
89.8
91.8
VP009
61.5
62.3
64.5
74.3
75.2
78.3
77.0
VP010
86.8
83.2
90.3
76.7
90.3
83.3
91.2
VP011
78.3
76.5
79.5
79.5
82.0
78.5
81.2
Mean
82.0
81.4
82.8
85.7
Std
11.2
7.2
8.4
5.9
6.5
4.9
5.9
and (Wilcoxon signed rank-sum). HbR/HbO: deoxyhemoglobin/oxyhemoglobin. Std: standard deviation.
