Goal Line Technology: Hawk Eye

The Hawk-Eye GLT functions with the help of several cameras to determine whether the whole of the ball has crossed the goal line or not. One might think: Consider the controversial World Cup matches involving England and Germany in 1966 and 2010. Although they tend to dominate the discussion on the goal-line incident, history tells, it is a concurring tale that sparks nothing but disputes and confusion. To counter this problem and reduce the margin of error, in July 2012, the IFAB officially approved the use of GLT. Hawk-Eye GLT uses a network of high-speed video cameras to track a ball’s position at a given time via triangulation. There are 7 cameras directed towards each goalmouth with the capacity of capturing images at 500 FPS, and a margin of error of just 3.6 mm. Every camera is sophisticatedly connected to an approved system that uses a software to triangulate and provide a 3D image. After the system determines whether the whole of the ball has crossed the goal line or not, it transmits a message to the referee's watch resolving the mystery of 'ghost goals'.