Camera installed by UEFA to determine whether the ball has crossed the line or not | VÍCTOR SALGADO-FCB

Hawk-Eye is already at the Camp Nou. Starting with the group games in this season’s Champions League, the Barça stadium has been applying this technology in European matches to show whether the ball has completely crossed the goal-line or not.

The system contracted by UEFA uses seven cameras per goal, and if it detects that the ball has crossed the line, it reports its verdict in just one second by sending a vibrating signal and visual image to the referee’s specially adapted watch.

Here since August

The technology was installed at the Camp Nou and validated by UEFA last August. The eight cameras in the grandstand and the six positioned on the touchline are used in European fixtures played at the Camp Nou. Similar systems have also been fitted in the stadiums of the other clubs involved in the Champions League.

UEFA also used Hawk-Eye in the most recent finals of the Champions League, Europa League and European Super Cup, as well as in the European Championship played in France last summer. The system also featured at the Women’s World Cup in Canada in 2015 and is already being used in the English, Italian and German leagues.

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