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Badminton players’ trajectory under numerical calculation method


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Fig. 1

Black point human joint model of Matsui Japan
Black point human joint model of Matsui Japan

Fig. 2

Basic method steps of HMM clustering
Basic method steps of HMM clustering

Fig. 3

Adaptive threshold segmentation algorithm
Adaptive threshold segmentation algorithm

Fig. 4

Algorithm simulation diagram
Algorithm simulation diagram

Fig. 5

Image of the player’s batting process
Image of the player’s batting process

Fig. 6

Tracking error curve of arm coordinate position in different methods
Tracking error curve of arm coordinate position in different methods

Fig. 7

Tracking time of arm trajectory in different ways
Tracking time of arm trajectory in different ways

Comparison of target tracking success rates of different hitting arm

Method Number of image pixels Target total number of prime points/a Number of tracking pixels Tracking success rate/%
Method of this article 500 357 350 0.98
Template update method 500 357 284 0.79
Least squares linear method 500 357 268 0.76
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Life Sciences, other, Mathematics, Applied Mathematics, General Mathematics, Physics