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. 2020 Nov 6;20(21):6327. doi: 10.3390/s20216327

Table 10.

Confusion matrix of experiment4 for the user-general model. Rotation of the bracelet =YES (on training and test set), orientation correction =YES. Best result with four synchronization gestures (sync=4) to select the maximum average energy sensor sx. Classification accuracy =81.22%.

Targets Predictions Count
(Precision%)
waveIn waveOut Fist Open Pinch noGesture
waveIn 6651 138 336 302 725 217 8369
79.47%
waveOut 207 6550 83 416 264 139 7659
85.52%
fist 359 29 6614 262 656 160 8080
81.86%
open 147 849 391 6165 1034 162 8748
70.47%
pinch 95 30 126 295 4424 95 5065
87.34%
noGesture 191 54 100 210 547 6877 7979
86.19%
Targets Count
(Sensitivity%)
7650
86.94%
7650
85.62%
7650
86.46%
7650
80.59%
7650
57.83%
7650
89.9%
45,900
81.22%