RETRACTED: Automatic Detection Algorithm of Football Events in Videos

Figure 7

Model performance results under different parameter changes (a) n = 1-precision; (b) n = 1-recall; (c) n = 2-precision; (d) n = 2-recall; (e) n = 3-precision; (f) n = 3-recall; (g) n = 4-precision; (h) n = 4-recall).

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