May 19, 2023

Tensor Holography MIT Student creates AI learning advancing Holograms

Posted by in categories: 3D printing, biotech/medical, holograms, media & arts, mobile phones, robotics/AI, virtual reality

From 2021

A new method called tensor holography could enable the creation of holograms for virtual reality, 3D printing, medical imaging, and more — and it can run on a smartphone.


PhD student from MIT’s Department of Electrical Engineering and Computer Science Liang Shi said people once believed that with the existing consumer-grade computer hardware, it’s impossible to do real-time 3D holograms. It’s going to take decades before it would be viable, but he figured out a way to cut that time.

Holographic image is not just made up in the movies, it’s being created as we speak. Shi’s team took a different approach from what was first developed in holograms, where laser beam would split, half the beam is used to illuminate the subject and the other half used as a reference for the light waves phase.

Then we had computer-generated holograms, it would avoid these difficulties by simulating the optical setup, but this would slow the computation to a crawl. So what did he do to prevent this problem, he let the computer teach physics to itself.

With this breakthrough the performance only took mere milliseconds when crafting holograms from images with depth information. With LiDAR sensor, from iPhone 12 Pro can produce real-time 3D holography, what is even better is the tensor network requires less than 1 MB of memory.

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