[Retracted] Target Tracking Algorithm for Table Tennis Using Machine Vision

Table 1

Five characteristics of table tennis.

Type	Description
Roundness
Perimeter	The perimeter value of the measurement object, denoted by C
Area	The perimeter value of the measurement object, denoted by A
X distance	The maximum distance value of the measurement object in the horizontal direction, that is, the X-axis direction, expressed by Lx2
Y distance	Measure the vertical direction of the object, that is, the maximum distance value in the Y-axis direction, expressed in Ly