Tech

New Technology Makes Real-Time 3D Holograms a Reality

Virtual reality Headsets had been used for quite some time. Unfortunately, it is not a go-to device for viewing videos since it tends to make users feel sick and the user starts having issues with nausea and eye strain. This is because the illusion of 3D is extremely common among people. That’s why people chose 3D visualization experience in the form of holograms as an alternative to virtual reality.  A hologram is nothing new to the world. In fact, it is a 60 years old technology that is at present revamped with new trends to provide a better experience for the 3D world. It will not be wrong to say technologies nowadays are shifting the perspective of viewers, thus allowing users to adjust to focal depth. Many technology trends are being used in educational field by essay typer, assignment helpers etc to provide quality wrapped around technology

The first story that showed hologram was “Star Wars: A New Hope” which was a 1977 classic directed by George Lucas. One of the most memorable scenes was “Help me Obi-Wan Kenobi, you are my last hope,” which was said by the hologram of Prince Leia projected by R2D2.

The hologram was an excellent representation of the 3D world around us. It forms a perspective that adjusts to the visual position of each viewer. Researchers had spent years investigating for generating computer holograms. Since they required a supercomputer for performing physical simulations, it was an extremely complex process. By using a methodology based on deep learning, researchers from the Massachusetts Institute of Technology by collaborating with Sony were able to produce holograms almost instantly. According to Liang Shi, lead author of the study and a PhD student in the Department of Computer Science and Electrical Engineering from MIT “People previously thought that with existing consumer hardware, it was impossible to do real-time 3D holography calculations…”

The method of this method is known as tensor holography which provides 3D printing; create holograms for virtual reality and more.

Real-Time 3D holography with Deep Neural Networks

One needs to understand that the science behind holograms is completely different than that of a photograph. Photograph tends to encode the brightness of each light wave, and hologram tends to encode the brightness and phrase of each light wave, thus offering a more faithful image.

Since each point has a different depth in the scene, thus the same operations cannot be applied to all.
Researchers used new scenes that consist of complex, variable shapes and colours, and pixel depth distributed from the background to the foreground to create holograms in the new database. And for managing the conclusion, they have also used a new set of calculations based on physics, which resulted in photorealistic training data. Each pair of images is required to learn and then modifies the parameters for doing your own calculations, improving the ability to create holograms. This study shows that tensor holography can create holograms from images with depth information in just milliseconds. This is formed by typical computer-generated images and thus can be easily calculated from a multi-camera setup.

A real-time 3D holography can enhance a host of systems, from virtual reality to 3D printing. The team led by Shi has highlighted how the new system can help all the virtual reality viewers out there to immerse in a more realistic scenario without facing the eye strain issues or other side effects of continued use of the virtual environment.

I think everybody can remember this line – “Technology and innovation are the only hope” told by Princess Leia to Obi-Wan. Honestly, it will not be long where we will start communicating with each other through hologram interfaces just like what we saw in the Star Wars movies.

WRAPPING UP,

3D holography in real-time works like a wonder on both VR and 3D with an immersive view. The best part is it is the best alternative to virtual reality as it eliminates eye strains or other adverse effects. At the rate it is developing, it will not be wrong to say hologram will change our lives in the future.