Optical Fiber Force Myography Sensor for Identification of Hand Postures

Table 2

Overall classifier performance for all postures and subjects, regarding the average of 10 folds. tp: true positive ratio; fp: false positive ratio; ac: accuracy.

Posture	S1	S2	S3	S4	S5	S6	Mean
A	tp = 95.0%; fp = 0.6%; ac = 98.9%	tp = 98.0%; fp = 0.2%; ac = 99.6%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 88.0%; fp = 1.5%; ac = 97.3%	tp = 89.0%; fp = 1.4%; ac = 97.6%	tp = 95.0 ± 5.4%; fp = 0.6 ± 0.7%; ac = 98.9 ± 1.2%
B	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100 ± 0%; fp = 0.0 ± 0.0%; ac = 100 ± 0%
C	tp = 87.0%; fp = 1.6%; ac = 97.1%	tp = 99.0%; fp = 0.1%; ac = 99.8%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 97.2 ± 5.2%; fp = 0.3 ± 0.7%; ac = 99.5 ± 1.2%
D	tp = 100.0%; fp = 0.1%; ac = 99.9%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100 ± 0%; fp = 0.0 ± 0.1%; ac = 100 ± 0%
E	tp = 99.0%; fp = 0.1%; ac = 99.9%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 99.8 ± 0.4%; fp = 0.0 ± 0.1%; ac = 100 ± 0.1%
F	tp = 98.0%; fp = 0.2%; ac = 99.6%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 99.7 ± 0.8%; fp = 0.0 ± 0.1%; ac = 99.9 ± 0.2%
G	tp = 90.0%; fp = 1.3%; ac = 97.8%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 98.3 ± 4.1%; fp = 0.2 ± 0.5%; ac = 99.6 ± 0.9%
H	tp = 90.0%; fp = 1.3%; ac = 97.8%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 98.3 ± 4.1%; fp = 0.2 ± 0.5%; ac = 99.6 ± 0.9%
N	tp = 90.0%; fp = 1.3%; ac = 97.8%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 100.0%; fp = 0.0%; ac = 100.0%	tp = 95.0%; fp = 0.6%; ac = 98.9%	tp = 98.0%; fp = 0.2%; ac = 99.6%	tp = 97.2 ± 4.0%; fp = 0.4 ± 0.5%; ac = 99.4 ± 0.9%
Mean	tp = 94.3 ± 5.1%; fp = 0.2 ± 0.2%; ac = 98.7 ± 1.1%	tp = 99.7 ± 0.7%; fp = 0.0 ± 0.1%; ac = 99.9 ± 0.2%	tp = 100.0 ± 0.0%; fp = 0.0 ± 0.0%; ac = 100.0 ± 0.0%	tp = 100.0 ± 0.0%; fp = 0.0 ± 0.0%; ac = 100.0 ± 0.0%	tp = 98.1 ± 4.1%; fp = 0.2 ± 0.5%; ac = 99.6 ± 0.9%	tp = 98.6 ± 3.6%; fp = 0.2 ± 0.5%; ac = 99.7 ± 0.8%	tp = 98.4 ± 1.7%; fp = 0.2 ± 0.2%; ac = 99.7 ± 0.4%