Table 1 The first column represents the subject number, the second column - classification accuracy of two imagined visual categories, and the third column - classification accuracy of observation (during cue display) of the two visual categories.

From: Attending to Visual Stimuli versus Performing Visual Imagery as a Control Strategy for EEG-based Brain-Computer Interfaces

Subject number

Imagery VS Imagery, SpecCSP, %

Observation VS Observation, SpecCSP, %

1

0.4833

0.4667

2

0.6333

0.8667

3

0.6333

0.8

4

0.5431

0.5778

5

0.5319

0.5194

6

0.5306

0.4306

7

0.5167

0.6403

8

0.5542

0.6056

9

0.5306

0.5194

10

0.5444

0.5458

11

0.7153

0.7667

12

0.5056

0.5556

13

0.6889

0.6319

14

0.4806

0.6153

15

0.6403

0.5958

16

0.6667

0.7139

17

0.5069

0.6764

18

0.5069

0.7028

19

0.6194

0.6292

20

0.5181

0.6694

21

0.4819

0.5292

22

0.5556

0.6778

23

0.5681

0.6194

24

0.4806

0.6542

25

0.5097

0.6083

26

0.5319

0.4319

Mean value

0.5594

0.6096

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