How a Chinese University Team Is Turning Lens‑Free 3D Holograms into Reality

In the sci‑fi film "Silver Ji Killer 2049," a virtual girlfriend named Joy demonstrates the emotional impact of an AI‑driven holographic companion, prompting the question of whether such "virtual friends" will exist in 2049.

Today, a team of young researchers from Beijing University of Posts and Telecommunications has already achieved medium‑free, airborne 3D imaging. Viewers can see floating three‑dimensional images more than 40 cm away without glasses, a breakthrough recognized as a world‑first by a Ministry of Education expert committee and awarded a national silver prize in the 6th China "Internet+" Innovation Competition.

The team spent six years developing the technology, overcoming hardware shortages by collaborating directly with a Shenzhen factory, iterating designs, and integrating practical manufacturing expertise.

Partnering with Huawei, they addressed massive data storage and compute challenges: thousands of high‑resolution cameras generate terabytes of image data, and rendering a single 8K holographic frame requires billions of calculations. Huawei’s cloud storage, elastic computing, and SQS messaging enabled a parallel rendering platform that splits images into hundreds of regions for simultaneous processing, dramatically reducing rendering time and cost.

With Huawei’s cloud, the team built the "Massive Light‑Field Data Integrated Parallel Rendering Platform," achieving real‑time, high‑quality holographic rendering without expensive on‑premise GPUs.

The system also supports dynamic interaction; a user can touch a floating 3D apple and see it deform in real time, thanks to low‑latency data updates.

Applications already span exhibitions, education, finance, and communication. Holographic displays now recreate planetary motions in planetariums, enable immersive geometry lessons, and power live holographic broadcasts at global MOOCs.

Looking ahead, the team and Huawei are developing the next‑generation interactive holographic video communication system, aiming to replace flat 2D screens with true three‑dimensional, real‑time visual experiences.