[Retracted] Application Research and Analysis of Intelligent Sensors in Tennis Serving Technical Correction Equipment

Table 6

Smart sensor recognition accuracy.

	Test group	Control group
1	90.17%	91.08%
2	91.42%	92.35%
3	89.79%	89.74%
4	92.07%	90.41%
5	92.86%	91.47%
Average	91.26%	91.01%