Analysis method of sports video case
A technology of video events and analysis methods, applied in the fields of video analysis, image processing and visual processing, sports video understanding and analysis
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[0014] The present invention carries out tactics automatic analysis to sports video incident, below taking football " shooting " incident as example in conjunction with attached figure 1 The present invention is further described.
[0015] The present invention starts from event extraction 10 and uses multi-modal features such as video, audio and external text information to extract a complete game event 20 from the entire sports game.
[0016] Tactical information extraction 30 is then performed. By analyzing the position of each area in the entire stadium, the area is divided into a side area and a center area. For the input event clip, by detecting the marking lines (such as the goal line and the middle circle) in the field, the competition network technology is used to identify the field area where each frame of the event video occurs, and judge whether the area belongs to the side area or Middle area. This operation can not only be realized by using the method of marki...
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