[Retracted] Knee Bending Motion Extraction Algorithm for Ball Motion Image Using Vision Sensor

Table 1

Extraction time consumption before and after algorithm application.

Ball sports category	Algorithms	Time consumption before application/S	Time consumption after application/S
Volleyball	Literature [2]	11.59	6.14
	Literature [3]		6.66
	Literature [4]		7.42
	Literature [5]		7.51
	Literature [6]		5.83
	This paper		2.65
Basketball	Literature [2]	15.79	9.84
	Literature [3]		8.43
	Literature [4]		10.47
	Literature [5]		11.63
	Literature [6]		7.21
	This paper		2.89
Football	Literature [2]	13.61	8.61
	Literature [3]		7.69
	Literature [4]		11.84
	Literature [5]		10.66
	Literature [6]		6.95
	This paper		1.39