Hawk-Eye Technology In Cricket- Hawk Eye’s cricket technique has been used by host broadcasters in major tests, ODIs and Twenty20 matches worldwide since 2001, and was approved by the ICC for use in 2008 and added as part of the decision review system. In addition to the Hawk-Eye’s digital divide, Pulselive now offers the Federation, Broadcasters, and Sponsors unique and intelligent to engage cricket fans on social and digital channels.
Hawk-Eye Technology In Cricket
- It was developed in the United Kingdom at Roke Manor Research Limited by Dr. Paul Hawkins. The system was originally implemented in 2001 for television purposes in cricket.
- Later, the technology was closed a separate company, Hawk-Eye Innovation Ltd, based in Winchester, Hampshire.
- The system was first used during a Test Match between Pakistan and England in Lord’s Cricket Ground on 21 April 2001
- It was first used for the tennis 2006 US Open.
Work for cricket:-
All Hawk-Eye systems are based on the principles of triangulation using visual images and time figures provided by high-speed video cameras located at different locations and angles around the field of the game.
In each frame sent from each camera, the system identifies the group of pixels that match the image of the ball. It then calculates for each frame that the condition of the ball by comparing its position at least two of the physically different cameras at the same instant in time. A succession of frames creates a record of the path with which the ball has traveled. It also “predicts” the future flight path of the ball and where it will already interact with any game areas programmed in the database. The system can also interpret these interactions to decide the violation of the rules of the game.
This system creates a graphic image of the ball path and the playing field, which means that real-time information can be provided to judges, television viewers or coaching staff.
The tracking system is combined with a back-end database and archiving capabilities so that it is possible to extract and analyze trends and statistics about individual players, games, ball-to-ball comparisons, etc.
Features of Hawk-Eye:-
Hawk-Eye device consists of two big components are tracking System and Video Replay System.
• There are 6 high velocity imaginative and prescient processing cameras that tune the ball from the bowler’s hand to batsman [8-10].
• The system will mechanically calculate the following step:
1. The speed of the ball leaving the bowler’s hand.
2. The response time for the batsman.
3. The swing of the ball from the bowler’s hand to wherein the ball pitched.
4. Where the ball turned into bowled from.
5. How a good deal the ball bounced?
6. How tons the ball deviated sideways off the wicket (i.e Seam or spin)
7. A prediction of wherein the ball could have passed the stump.
Video Replay System:-
However, tracking data provides a way with coaches and gamers to record what they have done. Hawk-Eye Cricket System can have more video replay cameras for better analysis than specific camera angles, which can be remotely managed. The video is digitally captured and saved on the hard disk.
Use in cricket:-
This technique was used by Channel 4 at Lord’s Cricket Ground between England and Pakistan on May 21, 2001, during a Test match. It is mainly used by television networks to track the trajectory of balls in flight. During the winter season 2008-2009, the ICC tested a referral system, where Hawk-Eye was used to make decisions for the third umpire if any team disagreed with LBW decision. The third umpire was able to look at what the ball actually did up to the point when it hit the batsman, but could not look at the predicted flight of the ball after it hit the batsman
Its main use in cricket broadcasting is to analyze the leg before wicket decision, where the likely path of the ball can be projected forward, through the batsman’s legs, to see if it would have hit the stumps. Consultation with the third umpire, for the traditionally slow pace or Hawk-Eye, before the wicket decision, is currently accepted in international cricket, though doubt remains about its accuracy.
Referral for LBW Decision:-
The Hawk-Eye referral for an LBW decision is based on three criteria:
- Where the ball pitched
- The location of impact with the leg of the batsman
- The projected path of the ball past the batsman
In all three cases, marginal calls result in the on-field call being maintained.
Due to the real-time coverage of bowling speeds, the system is also used to show the distribution pattern of the bowler’s behavior, such as line and length, or swing/turn information. At the end of an over, all six deliveries are often shown to show the variations of a bowler, such as slow delivery, bouncer and leg-cutter. During a match, the full record of the bowler can also be shown.
The batsmen also benefit from Hawk-Eye’s analysis, because this record can be brought from those deliveries from which a batsman scored. They are often shown in the form of 2-D silhouetted figures of balls faced by batsmen and color-coded dots of balls. Information like precision spots where the speed of the ball (to measure the batsman’s response time) by the ball pitch or the bowler, can also help in the analysis of the match.
Accuracy of The Technology:-
• During checking out in 2006 Hawk-Eye made the suitable call in 100% of all exams, showing a median blunder of only 3.6mm.
• Tests have continually been conducted outside, encompassing situations that take the following factors into consideration:
1) Wind (and consequently camera wobble)
2) Bright daylight at specific times of the day
3) Shadows overlaying element or the general public of the courtroom
4) Dark or overcast conditions
5) Artificial floodlights
Use in computer games:-
The use of Hawk-Eye brand and simulation has been licensed to use the Codemasters for use in the video game Brian Lara International Cricket 2005 so that the game looks like television coverage and after that Brian Lara International Cricket 2007, Ashes Cricket 2009 and International Cricket 2010. A similar version of the system has since been included in the Xbox 360 version of Smash Court Tennis 3, but it is not present in the PSP version of the game, although it presents a common challenge for the ball which does not use the Hawk-Eye. It has also been featured in Don Bradman Cricket 2014 and 2017.
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