Tactical Behavior Recognition Method for Sports Video Based on Spatio-temporal Local Mode
A space-time local and tactical technology, applied in character and pattern recognition, computer parts, instruments, etc., can solve the problems of consuming manpower and material resources, and achieve the effect of improving practicability, reducing complexity, and improving detection efficiency
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[0025] The detailed content of the present invention and its specific implementation will be further described below in conjunction with the accompanying drawings.
[0026] see Figure 1 to Figure 4 Shown, the sports video tactical behavior recognition method based on spatio-temporal local pattern of the present invention, comprises the steps:
[0027] S1: Sports video input. Shooting videos for sports games are divided into long-distance, medium-distance and close-distance videos, while long-distance video not only occupies most of the proportion of shooting video, but also the video can reflect the information on the field from a global perspective. Therefore, the long-distance shooting video segments of exciting sports events (goal events, offensive and defensive events) are selected and converted into video frame images as input.
[0028] F={f 1 ,f 2 ,..., f i ,..., f N}
[0029] where F represents the video segment corresponding to a specific sports time, and f i ...
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