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Table 2 Accuracy achieved for each subject with different features extracted at different time intervals

From: Analyzing EEG signals to detect unexpected obstacles during walking

C S P
Time interval S1 S2 S3 S4 S5 Average
0–500 ms 62.7 ±4.1 69.3 ±5.3 65.0 ±5.3 67.5 ±3.6 62.4 ±5.9 65.3 ±5.7
150–650 ms 64.7 ±4.1 78.2 ±4.2 69.9 ±5.1 70.9 ±3.8 62.6 ±5.4 69.4 ±7.1
300–800 ms 65.8 ±4.5 74.0 ±4.3 66.4 ±4.5 72.1 ±4.0 64.2 ±5.6 68.4 ±6.1
0–800 ms 67.1 ±4.9 75.9 ±4.3 67.4 ±5.8 72.5 ±3.8 64.7 ±5.7 69.5 ±6.3
P O W E R
Time interval S1 S2 S3 S4 S5 Average
0–500 ms 68.6 ±2.7 71.3 ±3.0 67.4 ±3.3 67.9 ±1.9 64.8 ±4.0 67.8 ±4.1
150–650 ms 70.2 ±2.7 74.7 ±3.7 66.1 ±3.9 70.8 ± 2.8 64.1 ±4.7 69.2 ±5.2
300–800 ms 70.7 ±2.9 77.5 ±3.6 65.6 ±3.9 69.9 ±2.4 67.0 ±4.1 70.2 ±5.3
0–800 ms 70.3 ±3.1 77.1 ±3.4 65.8 ±3.6 69.9 ±2.3 65.8 ±4.5 69.8 ±5.4
S L O P E
Time interval S1 S2 S3 S4 S5 Average
0–500 ms 66.7 ±1.0 79.8 ±3.4 69.7 ±4.8 70.0 ±2.3 67.4 ±4.4 70.6 ±5.9
150–65 0ms 67.1 ±2.6 88.0 ± 3.3 75.8 ± 4.9 72.4 ± 2.4 65.5 ±4.9 74.0 ± 8.7
300–800 ms 76.5 ±4.0 82.4 ±3.4 73.8 ±4.2 70.9 ±2.8 65.2 ±3.1 73.7 ±6.8
0–800 ms 71.4 ±3.1 86.2 ±3.4 71.9 ±4.2 71.2 ±2.4 65.5 ±4.6 73.3 ±7.8
P O L Y N O M I A L
Time interval S1 S2 S3 S4 S5 Average
0–500 ms 76.0 ±2.8 81.2 ±3.4 72.7 ±4.0 88.8 ±3.2 79.3 ±5.4 79.5 ±6.7
150–650 ms 75.1 ±2.9 68.0 ±2.0 64.6 ±3.0 88.2 ±2.7 76.5 ±4.9 74.9 ±8.9
300–800 ms 68.0 ±1.9 85.4 ±3.3 76.0 ±3.6 87.9 ±2.8 80.6 ±4.8 79.3 ±7.9
0–800 ms 77.0 ±3.1 85.4 ±3.7 66.8 ±3.4 79.5 ±3.2 76.7 ±4.7 77.0 ±7.1
  1. The maximum accuracy value for each subject is marked in bold