TOYOTA, JAPAN: The company that makes Hawk-Eye — one of two goal-line technology systems being used at the Fifa Club World Cup now under way in Japan — says experience gives it the edge.
A Hawk-Eye camera is set up at Toyota stadium, where it is being tested in this week's Fifa Club World Cup. (Copyright 2012 Shuji Kajiyama/AP)
Hawk-Eye is already used for tracking balls in tennis and cricket. For football, its system uses seven high-speed cameras set up at different angles at each goal to calculate whether the ball has crossed the goal-line or not.
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