Now the Cricket World Cup - 2019 is going on. Day by day technology is changing our life. Technology has made a great impact on games and sports also. For example, DRS (Decision Review System) technology used in cricket. Have you ever wondered how DRS technology works? If so, then this is right place for you.
I will be taking you through the evolution of DRS technology and how it works. So let's get started.
DRS provides the opportunity for the players to review the onfield umpire's error. The sequence of DRS is checking front foot no ball, bat edge detection and ball tracking in case of lbw appeal.
Now, let's see the technological tools used and their evolution.
Snickometer
The snickometer technology was invented by the British scientist Allan Plaskett in 1990. It has stumps mic and camera components. This technology combines visual and sound evidence and helps umpire to decide whether the batsman hit the ball or not.
The sound track is given to oscilloscope. It gives the output in waveform. If the bat hits the ball then a single spike will be created in the wave. If the ball is hitting pad then it will give a less spike.
Sometimes there will be situation where the bat touches the ground while the ball crosses the bat. This may cause confusion for the umpire to conclude the decision. So now a days this technology is not used in DRS.
Hot Spot
Hot spot was invented by French Scientist Nicholas Bion. This technology uses infrared image to detect the bat edge. Hot spot technology was first implemeted in Australia.
Two cameras are placed on both sides of the batsman. It captures the image in infrared sight. If the bat hit the ball then it will produce heat radiation on the bat, this will make that part of the bat to glow in the IR image. Thus the umpire can take the decision.
This technology is no more used because of it's cost. It costs alot to implement in every match.
Ultra Edge
Ultra edge technology is the upgraded version of snickometer. It uses the microphone in the stumps and the ultra motion video from the hawk eye technology.
The hawk eye technology records sound in accurate manner. We will be able to differentiate the sounds of bat or pad or ground hitting the ball.
Ultra edge technology is used in the absence of the hot spot technology which is more costly to implement.
Hawk Eye
The Hawk eye technology was invented by Dr. Paul Hawkins. This is a multi-sports ball tracking technology. This technology is used in tennis, football and cricket.
There are six cameras placed on the ground separately for this technology. It tracks the ball and make a 3D model to predict the ball movement for lbw appeal.
This technology is said to be 99.99% accurate. Incase of marginal decision, onfield umpire's decision is taken as conclusion.
So that's how the DRS works. For more informative technology posts subscribe to the blog. Nowadays the new LED stumps have fallen into many controversies. Sometimes the ball hit the stump and the biles are not falling down. If you think that I need to post a blog on that topic and about that stumps let me know in the comments section. Thanks for reading.
DRS provides the opportunity for the players to review the onfield umpire's error. The sequence of DRS is checking front foot no ball, bat edge detection and ball tracking in case of lbw appeal.
Now, let's see the technological tools used and their evolution.
Snickometer
The snickometer technology was invented by the British scientist Allan Plaskett in 1990. It has stumps mic and camera components. This technology combines visual and sound evidence and helps umpire to decide whether the batsman hit the ball or not.
The sound track is given to oscilloscope. It gives the output in waveform. If the bat hits the ball then a single spike will be created in the wave. If the ball is hitting pad then it will give a less spike.
Sometimes there will be situation where the bat touches the ground while the ball crosses the bat. This may cause confusion for the umpire to conclude the decision. So now a days this technology is not used in DRS.
Hot Spot
Two cameras are placed on both sides of the batsman. It captures the image in infrared sight. If the bat hit the ball then it will produce heat radiation on the bat, this will make that part of the bat to glow in the IR image. Thus the umpire can take the decision.
This technology is no more used because of it's cost. It costs alot to implement in every match.
Ultra Edge
The hawk eye technology records sound in accurate manner. We will be able to differentiate the sounds of bat or pad or ground hitting the ball.
Ultra edge technology is used in the absence of the hot spot technology which is more costly to implement.
Hawk Eye
The Hawk eye technology was invented by Dr. Paul Hawkins. This is a multi-sports ball tracking technology. This technology is used in tennis, football and cricket.
There are six cameras placed on the ground separately for this technology. It tracks the ball and make a 3D model to predict the ball movement for lbw appeal.
This technology is said to be 99.99% accurate. Incase of marginal decision, onfield umpire's decision is taken as conclusion.
So that's how the DRS works. For more informative technology posts subscribe to the blog. Nowadays the new LED stumps have fallen into many controversies. Sometimes the ball hit the stump and the biles are not falling down. If you think that I need to post a blog on that topic and about that stumps let me know in the comments section. Thanks for reading.
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