[Retracted] Feature Extraction of Foul Action of Football Players Based on Machine Vision

Table 3

Comparison of foul action recognition parameters.

Number of tests	Based on Halcon	Based on FVRTS	Based on machine vision
	Feature extraction	Features of the platform	Feature extraction
	Method	Extraction method	Method of sense
20	5.12	5.12	10.23
40	5.02	6.45	9.45
60	5.00	6.00	9.84
80	4.03	6.21	9.91
100	4.10	6.33	10.03
120	4.20	6.49	10.00
140	4.44	6.45	9.02
160	4.79	6.66	9.15
180	3.98	6.94	9.45
200	4.91	5.48	9.60