Today, the International Football Association Board (IFAB) gave approved the introduction of goal-line technology into soccer for the first time.
Two separate vendors were . The Sony-owned Hawk-Eye system is a camera-based computer system already in use in tennis and cricket. It employs four high-speed video cameras located at different locations and angles surrounding the field. The video feeds help determine the location of the ball by a triangulation method.
GoalRef, on the other hand, uses microchip technology instead of video. A microchip is placed inside the ball, and goals are determined using low magnetic waves deployed around the goal. Changes in the magnetic field are tracked, and whether they occur on or behind the goal line determines whether the goal was scored.
Officiating controversial goals in soccer is notoriously difficult, as the ball must completely cross the goal line in order to count. Unless the referee is watching from a very precise angle, it is very hard to determine whether the entire ball has crossed the line. In contrast, in American football, the ball must simply break the plane of the end zone in order to score a touchdown.
According to , the technology could be ready for use in UK leagues as soon as the new year. FIFA intends to put both systems in place during the Club World Cup in Tokyo in 2013 as a trial. If the technology is successful there, they also hope to use it at next year’s Confederations Cup and the 2014 World Cup in Brazil.
The use of technology in sports to aid officials is often a controversial topic, with naysayers often stating that the implementation of technology into sports reduces the human element of games. Proponents of the technology argue that it can reduce error on clear-cut officiating decisions.
FIFA President Sepp Blatter had long been a staunch critic of technology in soccer officiating, but two recent high-profile incidents have changed his mind when it comes to goal-line calls.
During a second-round match in the 2010 World Cup between England and Germany, Frank Lampard was denied a goal, though showed that the ball had clearly crossed the line. The shot would have tied the game; Germany went on to win 4-1.
During Euro 2012, Hungarian referee Viktor Kassai didn’t award a goal shot by Ukraine’s Marko Devic during a group-stage match between England and Ukraine. The official has since publicly stated that the call was a mistake.
Despite the new technology, referees will still have the final say and can decide not to award a goal based on what they see, even if the technology says otherwise.
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This story originally published on Mashable .
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