Table 8: Confusion matrix of posture type recognition.

Predicted
C1C2C3C4

Actual
 C1: good posture1.0000.0000.0000.000
 C2: bad posture 10.0000.9940.0060.001
 C3: bad posture 20.0000.0060.9940.000
 C4: bad posture 30.0000.0010.0000.999