Computational Intelligence and Neuroscience / 2016 / Article / Tab 2

Research Article

Time-Shift Correlation Algorithm for P300 Event Related Potential Brain-Computer Interface Implementation

Table 2

Experimental results of online operation.

Mode (gait length)Subject #
Subject 1Subject 2Subject 3Subject 4Subject 5Average STD

Fast mode, FM (3 cm)
 Finishing time (sec.)255.00 245.00 238.00 283.00 257.00 255.60 17.14
 Total length (cm)660.40 639.50 606.60 716.80 668.00 658.26 40.46
 PPMCC0.40 0.42 0.62 0.41 0.43 0.46 0.09
 Length difference (%)1.60%−1.62%−6.68%10.28%2.77%1.27%

Accuracy mode, AM (3 cm)
 Finishing time (sec.)249.00 228.00 228.00 263.00 235.00 240.60 15.18
 Total length (cm)638.50 672.00 625.10 726.30 697.90 671.96 41.64
 PPMCC0.56 0.58 0.49 0.43 0.49 0.51 0.06
 Length difference (%)−1.80%3.40%−3.80%11.70%7.40%3.38%

Fast mode, FM (6 cm)
 Finishing time (sec.)191.00 165.00 165.00 166.00 170.00 171.40 11.15
 Total length (cm)580.20 631.50 703.50 704.28 724.62 668.82 60.87
 PPMCC0.48 0.59 0.46 0.24 0.36 0.43 0.13
 Length difference (%)−10.70%−2.80%8.20%8.40%11.50%2.92%

Accuracy mode, AM (6 cm)
 Finishing time (sec.)161.00 142.00 118.00 172.00 175.00 153.60 23.73
 Total length (cm)667.40 600.30 595.30 729.10 730.80 664.58 66.11
 PPMCC0.10 0.43 0.45 0.49 0.31 0.36 0.16
 Length difference (%)2.70%−7.60%−8.40%12.20%12.40%2.26%

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