Lesson 9 of 21
Hawk-Eye Ball Tracking
5 min read•2/19 sections
6–10 cameras at 340 fps.
Accuracy: Tracking error ~3.6 mm at impact; the 'umpire's call' margin accounts for half a ball width of uncertainty.
Use: review, six/four analysis, broadcast graphics (predicted ball path).
Technical Breakdown
19-section schemaDefinition
A 3D ball-tracking system using 6–10 high-speed cameras around the ground (Adelaide Stats Pty).
History
The cricket ball's cork-and- construction dates to the 1770s (Duke's of Kent); pink and white balls were introduced later for day-night and limited-overs cricket.