[Retracted] Mean Shift Fusion Color Histogram Algorithm for Nonrigid Complex Target Tracking in Sports Video

Table 1

Comparison of the accuracy of multipoint grid supervision.

Method	Access point at 0(AP)	Access point at 0.25(AP0.25)	Access point at 0.0.5(AP0.5)	Access point at 0.75(AP0.75)
Regression	38.2	24.9	48.7	24.6
2 points	22.5	48.6	28.3	38.6
4-point grid	24.3	35	33.8	34.7
9-point grid	20.5	43.9	46.1	32.8