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HawK -Eye Technology

By: Tanner Torres. HawK -Eye Technology. Important Facts. First invented by Dr. Paul Hawkins in 2001. Extremely complex computer system Costs around $20,000-$25,000 per court for one week Hawk-Eye is not featured at over 60 events across the ATP, WTA , and ITF tours.

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HawK -Eye Technology

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  1. By: Tanner Torres HawK-Eye Technology

  2. Important Facts • First invented by Dr. Paul Hawkins in 2001. • Extremely complex computer system • Costs around $20,000-$25,000 per court for one week • Hawk-Eye is not featured at over 60 events across the ATP, WTA , and ITF tours

  3. How Does it Work? • 10 high-speed cameras at different angles and positions around the court • Creates a 3D trajectory of the path of the ball • Uses the 3D trajectory to determine the exact touch area the ball made with the court when it bounced

  4. Results • Exact bounce mark is determined and shown via virtual software • Using the triangulation of images from cameras players can see exactly whether the ball was in or out • Only a 3.6 mm margin of error

  5. Example

  6. Is it really necessary? • “The ball's moving so fast these days that sometimes it's impossible for anyone to see, even a trained official. With instant replay we can take advantage of technology and eliminate human error. Having just a few challenges will make it both fun and dramatic for fans at the same time.”

  7. Player Rules • Each player is allowed 3 unsuccessful challenges per set • If the set reaches a tie-breaker, each player is awarded 1 extra challenge • If the player’s challenge is unsuccessful, then the player loses that challenge.

  8. Added Benefits • Can measure speed of the ball at any point during a rally • Service patterns, length ran during rally, service comparisons, and percentage of time a player spends in different regions of court

  9. Timeline

  10. References • BBC. "Hawk-Eye Challenge Rules Unified." BBC News. BBC, 19 Mar. 2008. Web. 11 Nov. 2012. <http://news.bbc.co.uk/sport2/hi/tennis/7305404.stm>. • Hawk-Eye Innovations Ltd. "Tennis." Hawk-Eye Innovations. Hawk-Eye Innovations Ltd., n.d. Web. 11 Nov. 2012. <http://www.hawkeyeinnovations.co.uk/page/sports-officiating/tennis>. • Mullins, Justin. "Hawk-Eye in the Crosshairs at Wimbledon Again." - IEEE Spectrum. - IEEE Spectrum, June 2008. Web. 11 Nov. 2012. <http://spectrum.ieee.org/computing/software/hawkeye-in-the-crosshairs-at-wimbledon-again>. • Topend Sports. "Hawk-Eye Line-calling System." Hawkeye Tennis Line-Calling System. Topend Sports, 10 June 2012. Web. 11 Nov. 2012.<http://www.topendsports.com/sport/tennis/hawkeye.htm>. • Tsang, Jason. "Technology in Tennis: Hawk-eye." Jason Tsang's Blog. Blogger.com, 14 July 2006. Web. 12 Nov. 2012. <http://blog.jasontsang.ca/2006/07/technology-in-tennis-hawk-eye.html>.

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