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FeedSource: [ArsTechnica]

Time: 2017-07-13 11:04:07 UTC

Original URL: https://arstechnica.com/information-technology/2017/07/wimbledon-ibm-tennis-technology/ [arstechnica.com] using UTF-8 encoding.

Title: At Wimbledon 2017, one of the oldest tennis tournaments serves up new tech

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At Wimbledon 2017, one of the oldest tennis tournaments serves up new tech

Arthur T Knackerbracket has found the following story [arstechnica.com]:

The Championships at Wimbledon, which consumes some 28 tons of strawberries, 10,000 litres of cream, and 320,000 glasses of Pimm's per year, is notable for its seemingly unchecked luxuriant hedonism. But while most companies, organisations, and institutions are looking to cut costs, Wimbledon has stuck to its mantra. Don't do things cheaper; do things better.

Case in point: Wimbledon's use of technology is really quite impressive. I've been lucky enough to follow Wimbledon's tech over the last three years [arstechnica.co.uk], and it has been very encouraging to see a massive endeavour like The Championships dive deeper and deeper into technology. You might think that after 140 years Wimbledon could be stuck in its ways, but far from it. When technology is the only viable way of providing consistent, significant gains for players, visitors, and hundreds of millions of people spectating remotely, you don't try to fight it; you embrace it.

Of course, Wimbledon is embracing tech in a distinctly Wimbledon way. This year, for example, The Championships are trialling free Wi-Fi—but because they don't yet know how people will behave with free Wi-Fi, it's only available in three specific locations (near the food court, in the ticket resale area, and on the west side of court 12). The tournament continues through this weekend, but its team has already started analysing the data. It turns out that, thankfully, the Wi-Fi users on court 12 only use their phones between points. When play begins, Wi-Fi usage stops. If the trial is a success, Wi-Fi could be rolled out across Wimbledon in 2018.

When the overall excitement level crosses a threshold (0.8?), the software goes back through its video buffer and creates a highlight clip of the point. For now, a human editor still goes through every clip before being published. A human editor is still required to tease out video clips from more nuanced matches, too; the IBM software doesn't yet understand the context of individual matches or player pairings. But given that other IBM software at Wimbledon tracks match context—mostly so that commentators can add some extra flavour—it seems like an obvious improvement to the auto-highlight tech in future years.

Perhaps most excitingly, Wimbledon is now storing the 3D state of tennis matches via the Hawk-Eye camera system available on some of the courts. Hawk-Eye, which uses multiple cameras to track the ball and resolve line judging disputes, outputs a constant stream of data that IBM can process into a useful format. But actually doing something with that data is a risky affair, because it isn't clear who owns it. Some tennis players, as you can imagine, aren't keen for some wily big data/machine learning software to reveal the secrets of their play style to the world.

On a simpler level, if Wimbledon blankets the All England Lawn Tennis Club with Wi-Fi, it will be able to use each device's unique MAC address to track the movement of most visitors around the venue. Not for creepy reasons, I'm assured, but to iron out bottlenecks and inefficiencies. Should there be another toilet here? A strawberries-and-cream stand there? An everlasting font of Pimm's here? Venue-wide Wi-Fi would also allow Wimbledon to push notifications to visitors as they move around, beacon-style.

Two years ago, an IBM engineer told me they were in discussions with the UK's mobile network providers to track visitors through cellular triangulation [arstechnica.co.uk], but this year I was told that no such partnership was ever struck. Doing it via Wi-Fi (and perhaps augmented with Bluetooth) is probably more sensible, anyway.

Finally, Wimbledon has released a significantly overhauled mobile app for this year's Championships. Over the last few years, there has been a big shift from people following Wimbledon on a desktop browser to following it on their mobile devices. The mobile app is meant to provide a better experience than the mobile website—but to be honest, if you're into tennis, you should probably just download the free app (iOS [apple.com]/Android [google.com]) and see what you think. This year there's a new feature called Ask Fred that apparently uses some IBM Watson-type tech to answer your questions. The app also has the ability to look through some 360-degree cameras that have been placed on each court.

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