[Retracted] Motion Capture Based on Intelligent Sensor in Snow and Ice Sports

Table 3

Typical classification recognition method of upside down.

Classifier	Number of collectors	Number of action categories	Recognition rate
			On the turn	Flip down
L1 distance	30	15	24.3%	56.2%
K-NN	5	6	49.6%	71.2%
J48	5	8	35.85%	65.25%
MLP	6	5	80.2%	78.9%
GMM	60	28	45.6%	61.2%