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. 2021 Jun 9;9:548357. doi: 10.3389/fbioe.2021.548357

Table 4.

Accuracy and macro-averaged metrics of the proposed deep neural network classifiers for SHAP prehensile patterns.

Accuracy Macro-precision Macro-recall Macro-F1
DB5—8 channels : intact participants
100 ms 92.49 ± 1.26 69.16 ± 4.13 61.21 ± 6.18 64.71 ± 5.00
200 ms 93.71 ± 1.11 72.81 ± 4.26 68.59 ± 5.72 70.52 ± 4.79
400 ms 95.53 ± 1.24 80.56 ± 5.58 77.42 ± 6.24 78.76 ± 5.91
800 ms 97.29 ± 0.86 87.17 ± 2.90 86.27 ± 4.69 86.61 ± 3.94
1,000 ms 97.78 ± 0.75 89.14 ± 3.58 88.61 ± 3.95 88.93 ± 3.48
DB5—16 channels : intact participants
100 ms 94.66 ± 1.05 79.40 ± 3.23 74.14 ± 5.50 76.63 ± 4.22
200 ms 95.86 ± 0.89 82.74 ± 2.78 80.96 ± 4.37 81.79 ± 3.55
400 ms 97.28 ± 0.81 89.49 ± 2.34 87.10 ± 4.01 88.19 ± 3.05
800 ms 98.38 ± 0.84 93.17 ± 3.59 92.10 ± 3.95 92.60 ± 3.80
1,000 ms 98.82 ± 0.58 94.93 ± 1.91 94.48 ± 2.55 94.67 ± 2.18
DB7—12 channels : intact participants
100 ms 92.69 ± 4.19 86.42 ± 3.96 74.08 ± 9.32 79.40 ± 7.32
200 ms 93.34 ± 4.41 88.01 ± 4.02 76.81 ± 10.05 81.66 ± 7.86
400 ms 94.22 ± 4.03 88.90 ± 4.00 79.92 ± 8.91 83.77 ± 7.28
800 ms 95.46 ± 4.16 90.30 ± 4.38 85.18 ± 8.90 87.59 ± 7.03
1,000 ms 95.78 ± 3.99 90.94 ± 3.90 86.00 ± 8.35 88.31 ± 6.79
DB7—12 channels : amputee #1
100 ms 88.29 68.02 56.73 59.82
200 ms 88.88 69.94 56.66 58.09
400 ms 90.20 76.42 63.87 65.71
800 ms 91.14 77.48 67.39 69.22
1,000 ms 92.53 83.22 71.71 74.97
DB7—12 channels : amputee #2
100 ms 97.13 87.43 80.08 81.83
200 ms 97.55 87.11 83.99 83.38
400 ms 98.04 91.95 84.44 85.47
800 ms 98.66 94.93 88.92 89.92
1,000 ms 99.00 96.24 91.27 93.11