Table 3. Classification accuracies of three tasks for various feature combinations.
(Window: 0 ~2.5 sec) | |
---|---|
Feature combinations | Average classification accuracies (%) |
Mean, slope | 51.2 ± 17.5 |
Mean, skewness | 54.1 ± 14.5 |
Mean, kurtosis | 53.1 ± 16.1 |
Mean, delta | 57.5 ± 14.9 |
Slope, skewness | 40.8 ± 16.8 |
Slope, kurtosis | 36.6 ± 18.5 |
Slope, delta | 54.1 ± 14.8 |
Skewness, kurtosis | 40.0 ± 16.3 |
Kurtosis, delta | 54.1 ± 9.7 |
Skewness, delta | 54.8 ± 16.6 |