For all its help in straightening out rugby union and its recent assistance to Eliud Kipchoge, what effect will green-line technology have on the off-the-cuff spontaneity of live sport?
While the glorious phenomenon that is Simone Biles was winning a fifth all‑around world gymnastics title last week with routines that included a triple-twisting double backflip during the floor exercise and a two‑flips‑two-twists dismount from the beam, she was doing things that the human eye could barely take in. But there were no worries that what she was doing might be missed.
Her every movement, and those of her 546 rivals, was being captured by three-dimensional laser sensors hidden inside boxes placed around the floor of the Stuttgart arena. Developed by Fujitsu, the system has at its centre an artificial intelligence system. Body measurements are taken from the competitors – in the case of the few who declined in Stuttgart, a standard template was used – and their movements are then tracked for position, angle and speed, instantly processed and fed to the competition judges in graphic form as a clear real-time analysis of every performance.
Related: Simone Biles wins two more golds and sets world championship medal record
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