Automatic Tracking Method of Basketball Flight Trajectory Based on Data Fusion and Sparse Representation Model

Table 4

Comparison of x-axis basketball flight trajectory automatic tracking data after noise application.

	Flight speed (m·s^−1)	Flight time (ms)
		0	100	200	300	400
Proposed method	Original flight speed	1.17	0.83	0.7	0.81	0.94
	Track tracking speed	1.17	0.83	0.74	0.81	0.92
Literature [5] methods	Original flight speed	1.17	0.83	0.7	0.81	0.94
	Track tracking speed	1.01	0.28	0.25	0.39	0.66
Literature [6] methods	Original flight speed	1.17	0.83	0.7	0.81	0.94
	Track tracking speed	1.12	0.52	0.12	0.52	0.25