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Related Experiment Video

Updated: May 24, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Published on: January 14, 2020

Generation of real-time large computer generated hologram using wavefront recording method.

Jiantong Weng¹, Tomoyoshi Shimobaba, Naohisa Okada

¹Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan. weng2307@graduate.chiba-u.jp

|March 16, 2012

Summary

This summary is machine-generated.

Researchers developed a faster, large-scale computer-generated hologram (CGH) method using the wavefront recording plane (WRP) and graphics processing units (GPUs). This breakthrough enables real-time holographic video generation for 3D objects.

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Related Experiment Videos

Last Updated: May 24, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display

Published on: January 14, 2020

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Published on: March 31, 2022

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects

Published on: February 8, 2014

Area of Science:

Optics and Photonics
Computer Graphics
Holography

Background:

Traditional wavefront recording plane (WRP) methods struggle with large 3D objects exceeding hologram size.
Implementing WRP calculations on graphics processing units (GPUs) presents computational challenges.

Purpose of the Study:

To enhance the WRP method for generating large-scale computer-generated holograms (CGHs) in real-time.
To overcome limitations of previous WRP methods regarding object size and GPU implementation.

Main Methods:

Developed an improved WRP method utilizing Shifted-Fresnel diffraction to handle larger 3D objects.
Successfully implemented all computational steps of the enhanced WRP method on a GPU.

Main Results:

Achieved real-time generation of a 1,980 × 1,080 phase-only CGH from approximately 3 × 10^4 object points.
Demonstrated optical reconstructions at over 90 frames per second, equivalent to video rate.
Generated large CGHs (approx. 6 megapixels) from 3D object points efficiently.

Conclusions:

The improved WRP method effectively generates large-scale CGHs in real-time.
The GPU-accelerated approach overcomes previous limitations, enabling high-resolution holographic video.
This advancement has potential applications in immersive displays and 3D visualization.