Semi-automated offside technology will be used for the first time in a men's World Cup.
The technology was successfully tested at the Arab Cup and last year's Club World Cup and will see video match officials receive an alert if they make a mistake.
Communication with fans inside stadiums will be improved with a 3D animation showing how the decision was reached, and to television viewers at home.
The VAR systems that have been implemented across the world have evolved into semi-automated offside technology.
This technology is the culmination of three years of dedicated research and testing to provide the very best for the teams, players and fans who will be heading to Qatar.
The use of semi-automated offside technology at the World Cup in 2022 is the clearest example of how technology can be used to improve the game.
The new technology uses 12 cameras mounted on the roof of the stadium to track the ball and up to 29 data points of each player, 50 times per second, to calculate their exact position on the pitch.
All limbs and limbs that are relevant for making calls are included in the data points.
An IMU sensor will be placed inside the ball in order to detect tight offside incidents.
A very precise detection of the kick point is possible thanks to this sensor positioned in the center of the ball.
By combining limb- tracking and ball- tracking data and applying artificial intelligence, the new technology provides an automated offside alert to the video match officials inside the video operation room whenever the ball is received by an attacker who is in an ineligible position.
The video match officials check the kick point and the offside line before telling the on-field referee. This process can happen in a few seconds and can speed up the decision making process.
This 3D animation, which will always show the best possible perspectives for an offside situation, will be shown on the giant screens in the stadium and will be made available to FIFA's broadcast partners to inform all spectators.
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Sky Sports spoke to a former ref.
The news is very exciting. A new way of playing is brought about by a major change like this. It's going to bring accuracy and speed, which is what everyone wanted.
"We've seen situations in the premier league where very tough offsides take time due to the complexity of them."
Most of that will be eliminated, which is a good thing. The referees will accept it. The problem with the VAR is that the start point is when the ball is kicked.
It takes time to find out where the attacker is in relation to the defender, because the ball travels a long way.
The ball and the player are tracked. When the ball is played, it knows where the defender is and where the forward is.
The time it takes in the premier league to make a decision on whether or not there is an obstruction is now down to one second. It will be projected quickly to the fans inside the stadium, which will eliminate the doubt in their minds. It's a big step in the right direction.
Pierluigi Collina is the chair of the referee committee.
VAR has had a positive impact on football and the number of major mistakes has been reduced. Semi-automated offside technology can take us a step further. Sometimes the process to check a possible offside takes too long when the situation is very tight. This is where semi-automated offside technology can be used.
The testing has been a huge success and we are very confident that we will have a very valuable support tool to help referees and assistant referees make the best and most correct decisions on the field of play. I'm aware that someone called it a robot. The decision on the field of play is still up to the referees and assistants.
Due to the heat, the World Cup will be held in the winter in Qatar.
England vs Iran will be the second game of the tournament in Al Rayyan when the tournament begins on November 21. The next game is at the Al Bayt stadium.
Following Wales' progression via the play-offs, England will play the USA and Wales in Group B.
The knockout stage starts on December 3.
The final will be held at the Lusail Stadium in the middle of December.
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