The system will provide an automated offside alert to the on-field officials to help them make faster, more accurate and more consistent offside decisions.
Video assistant referee (VAR) technology was first introduced at the 2018 Fifa World Cup in Russia and Fifa has spent the last few years improving the system.
The new technology uses 12 dedicated tracking cameras mounted underneath the roof of the stadium to track the ball and up to 29 data points of each individual player, 50 times per second, calculating their exact position on the pitch. The 29 collected data points include all limbs and extremities that are relevant for making offside calls.
The official match ball for the tournament, 'Al Rihila', will also provide further data as it includes an inertial measurement unit (IMU) sensor inside it. This sensor, positioned in the centre of the ball, sends ball data to the video operation room 500 times per second, allowing a very precise detection...
