[Retracted] Design Model of Urban Leisure Sports Public Facilities Based on Big Data and Machine Vision

Table 2

Four algorithm detection results.

Detection method	Center	Radius/pixel	Detection time (s)
Center distance method	(171.2, 153.2)	\	0.0154654
Minast square is legal	(170.5, 152.8)	6	13.084546
Random Hough transformation method	(171, 153)	6	0.2210489
Improve the Hough transformation method	(170.8, 150.8)	5	0.0981871