Canon said on October 15, 2026, that it had streamed a live, freely navigable 3D reconstruction of a basketball game in Japan to approximately 750 devices. The late-September demonstration used volumetric video so viewers could choose their own camera angle on a phone, tablet or computer. Canon measured about 16 seconds between capture and display.

How Canon moved a basketball game into 3D

The system begins with roughly 100 synchronized cameras recording the court from different positions. Video traveled over an NTT-led IOWN All-Photonics Network link to Canon’s Kawasaki office, where computers reconstructed the players and court as three-dimensional spatial data. That data was compressed and distributed to viewers through a cloud platform, according to Canon’s October technical announcement.

Unlike a conventional broadcast, the viewer can select a high perspective over the floor or move closer to an athlete. A previous Brooklyn Nets 360-degree replay deployment similarly reconstructs basketball action, but produces arena highlights rather than streaming freely controlled live 3D scenes to many individual devices.

A bigger audience, with a measurable delay

This follows Canon’s September 18 mixed-reality demonstration, in which approximately 60 participants at a separate venue viewed a tabletop 3D basketball scene. The October report describes a broader personal-device distribution experiment, not a verified commercial service or evidence that every viewer received the same image quality.

The technical trade-off is latency. Sixteen seconds may be acceptable for exploratory viewing, but it would complicate synchronization with a near-live television broadcast or real-time conversation about a play. Canon has not published comparable independent results for sustained network load, data usage, resolution or consumer-scale operating costs.

What matters for the next sports broadcast

Sports technology is moving along several different tracks: Sony’s 3D sprint replays create new broadcast perspectives, IBM’s tennis biomechanics work analyzes movement, and NBA smart-ball trials collect sensor data for research. Canon’s experiment instead tests how a fan chooses the view itself.

The next milestones are lower end-to-end delay, independent picture-quality measurements and repeatable demonstrations with larger audiences. Canon describes its claimed world-first status as based on its own survey; the supported achievement today is a company-reported, approximately 750-device live distribution test.

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