What is sports video analysis?
Sports Video Analysis, or tagging, is a way of marking events in a videoed sports activity.
Examples of events might be line-outs, scrums, goals, fouls, red or yellow cards, tennis serves, volleys, in fact any event in any sport.
Events are marked on a timeline showing the exact points in the video the events happened and how long the events lasted.
Events are tagged using a code window. When an event happens in a match the analyst clicks a button in the code window that represents the event. If a “home line-out” happens in a rugby match the analyst would click a “home line-out” button.
The event button may have other buttons associated to it that describe the event in more detail, this might be “home lineout -> Catch & drive” or “home lineout -> off top”.
Once an analyst has tagged all the events in a match the data can be used to generate reports; reports might contain home possession and away possession, home score and away score, home penalties and away penalties etc.
These reports can be as detailed as the analyst wants them to be and the detail is reflected in the code window used to analyse or tag a match.
So why tag matches? Sports video analysis provides measurable performance gains as well as easy to understand visual feedback for coaches, players and athletes.
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