Table 13.

Average accuracy for Condition B during the classification of feet and tongue movements and using the classical filter configuration (1–100).

Subject	Higuchi	Katz	AR
A1	0.55 ± 0.03∗	0.57 ± 0.04∗	0.62 ± 0.04
A2	0.51 ± 0.03∗	0.59 ± 0.05	0.51 ± 0.03∗
A3	0.62 ± 0.03	0.55 ± 0.04∗	0.54 ± 0.05∗
A4	0.50 ± 0.03	0.50 ± 0.04	0.51 ± 0.03
A5	0.54 ± 0.05	0.51 ± 0.02∗	0.50 ± 0.02∗
A6	0.58 ± 0.05	0.59 ± 0.03	0.55 ± 0.04∗
A7	0.60 ± 0.05	0.62 ± 0.07	0.60 ± 0.07
A8	0.73 ± 0.04	0.72 ± 0.05	0.64 ± 0.05∗
A9	0.56 ± 0.03∗	0.71 ± 0.05	0.65 ± 0.06∗
Average	0.58 ± 0.04	0.60 ± 0.04	0.57 ± 0.04

^∗Accuracies that are significantly different compared with the best result. Values in bold indicate the best average accuracy achieved from the different feature extraction techniques.