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Goal-line technology

Diagram of the use of multiple cameras in the GoalControl goal-line technology system.
Sometimes it is difficult for the naked eye to see if the ball has crossed the line.
Sometimes it is difficult for the naked eye to see if the ball has crossed the line.

In association football, goal-line technology (sometimes referred to as a Goal Decision System)[1] is the use of electronic aid to determine if a goal has been scored or not. In detail, it is a method used to determine when the ball has completely crossed the goal line in between the goal-posts and underneath the crossbar with the assistance of electronic devices and at the same time assisting the referee in awarding a goal or not. The objective of goal-line technology (GLT) is not to replace the role of the officials, but rather to support them in their decision-making. The GLT must provide a clear indication as to whether the ball has fully crossed the line, and this information will serve to assist the referee in making their final decision.[2]

Compared to similar technology in other sports, goal-line technology is a relatively recent addition to association football, its integration having been opposed by the sport's authorities. In July 2012, the International Football Association Board (IFAB) officially approved the use of goal-line technology, amending the Laws of the Game to permit (but not require) its use. Due to its expense, goal-line technology is only used at the highest levels of the game. Goal-line technology is currently used in the top European domestic leagues and at major international competitions such as, since 2014, the men's and women's FIFA World Cups.[3][4][5][6]

  1. ^ "Wenger praise for Goal Decision System". Premier League. 8 August 2013. Archived from the original on 8 January 2015. Retrieved 10 August 2013.
  2. ^ "FIFA Quality Programme for Goal Line Technology Testing Manual" (PDF). FIFA. 2012. Archived from the original (PDF) on 30 October 2012.
  3. ^ Thomas, K. (2014). "Keeping an eye on the ball". SPIE. doi:10.1117/2.2201406.01. Archived from the original on 25 February 2022.
  4. ^ "Goal-line technology set up ahead of FIFA World Cup". FIFA. 1 April 2014. Archived from the original on 11 May 2014.
  5. ^ FIFA.com [dead link‍]
  6. ^ "Hawk-Eye confirmed as goal-line technology provider for Canada 2015". FIFA. 31 March 2015. Archived from the original on 31 March 2015. Retrieved 2 June 2015.

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