Hologram Breakthrough – New Technology Transforms Ordinary 2D Images – Gulf Insider


Researchers have developed a novel deep-learning method that simplifies the creation of holograms, allowing 3D images to be generated directly from 2D photos captured with standard cameras. This technique, involving a sequence of three deep neural networks, not only streamlines the hologram generation process but also outperforms current high-end graphics processing units in speed. It doesn’t require expensive equipment like RGB-D cameras after the training phase, making it cost-effective. With potential applications in high-fidelity 3D displays and in-vehicle holographic systems, this innovation marks a significant advancement in holographic technology.

Researchers suggest a new method that employs deep learning to create three-dimensional holograms from two-dimensional coloured images.

Holograms provide a three-dimensional (3D) view of objects, offering a level of detail that two-dimensional (2D) images cannot match. Their realistic and immersive display of 3D objects makes holograms incredibly valuable across various sectors, including medical imaging, manufacturing, and virtual reality.

Traditional holography involves recording an object’s three-dimensional data and its interactions with light, a process that demands high computational power and the use of specialised cameras for capturing 3D images. This complexity has restricted the widespread adoption of holograms.

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Deep Learning in Hologram Generation

In recent times, many deep-learning methods have also been proposed for generating holograms. They can create holograms directly from the 3D data captured using RGB-D cameras that capture both the colour and depth information of an object. This approach circumvents many computational challenges associated with the conventional method and represents an easier approach for generating holograms.

Revolutionising Holography with a Novel Approach

Now, a team of researchers led by Professor Tomoyoshi Shimobaba of the Graduate School of Engineering at Chiba University proposes a novel approach based on deep learning that further streamlines hologram generation by producing 3D images directly from regular 2D colour images captured using ordinary cameras. Yoshiyuki Ishii and Tomoyoshi Ito of the Graduate School of Engineering at Chiba University were also a part of this study, which was recently published in the journal Optics and Lasers in Engineering.

Explaining the rationale behind this study, Prof. Shimobaba says, “There are several problems in realising holographic displays, including the acquisition of 3D data, the computational cost of holograms, and the transformation of hologram images to match the characteristics of a holographic display device. We undertook this study because we believe that deep learning has developed rapidly in recent years and has the potential to solve these problems.”

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The Three-Stage Deep Learning Process

The proposed approach employs three deep neural networks (DNNs) to transform a regular 2D colour image into data that can be used to display a 3D scene or object as a hologram. The first DNN makes use of a colour image captured using a regular camera as the input and then predicts the associated depth map, providing information about the 3D structure of the image.

Both the original RGB image and the depth map created by the first DNN are then utilized by the second DNN to generate a hologram. Finally, the third DNN refines the hologram generated by the second DNN, making it suitable for display on different devices.

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The researchers found that the time taken by the proposed approach to process data and generate a hologram was superior to that of a state-of-the-art graphics processing unit.

“Another noteworthy benefit of our approach is that the reproduced image of the final hologram can represent a natural 3D reproduced image. Moreover, since depth information is not used during hologram generation, this approach is inexpensive and does not require 3D imaging devices such as RGB-D cameras after training,” adds Prof. Shimobaba, while discussing the results further.

Future Applications and Conclusion

In the near future, this approach can find potential applications in heads-up and head-mounted displays for generating high-fidelity 3D displays. Likewise, it can revolutionise the generation of an in-vehicle holographic head-up display, which may be able to present the necessary information on people, roads, and signs to passengers in 3D. The proposed approach is thus expected to pave the way for augmenting the development of ubiquitous holographic technology.



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Works as an in-house Writer at Gulf Tech Plus and focuses on the latest smart consumer electronics. Closely follows the latest trends in consumer IoT and how it affects our daily lives. You can follow him on Facebook, Instagram & YouTube.

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