Table 4: Confusion matrix of the proposed recognition model using IXMAS action dataset (unit: %).

ActivitiesCASDGUTAWalkWavePunchKick

CA970012000
SD099100000
GU129430000
TA001952110
Walk011098000
Wave002019700
Punch010102960
Kick000010099
Average96.88

CA: cross arm, SD: sit down, GU: get up, and TA: turn around.