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Related Experiment Video

Updated: Jun 18, 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

Extremely high-definition full-parallax computer-generated hologram created by the polygon-based method.

Kyoji Matsushima¹, Sumio Nakahara

¹Department of Electrical and Electronic Engineering, Kansai University, Yamate-cho 3-3-35, Suita, Osaka 564-8680, Japan. matsu@kansai-u.ac.jp

|December 4, 2009

Summary

This summary is machine-generated.

Researchers created a large-scale, full-parallax computer-generated hologram (CGH) to reconstruct detailed 3D images, overcoming occlusion challenges. This advanced holographic display offers a compelling sense of depth.

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Related Experiment Videos

Last Updated: Jun 18, 2026

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

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Published on: January 14, 2020

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

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Published on: December 3, 2013

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 computer-generated holograms (CGHs) face limitations in resolution and handling complex 3D scenes.
Reconstructing occluded objects and large wave fields remains a significant challenge in holographic display technology.

Purpose of the Study:

To develop a large-scale, full-parallax CGH capable of reconstructing high-fidelity 3D images with occlusions.
To introduce a novel method for managing and propagating extensive wave fields that exceed memory capacity.
To demonstrate the effectiveness of the proposed CGH technique in creating realistic 3D visual experiences.

Main Methods:

Utilized a polygon-based method to numerically generate the object field from vertex data of polygonal facets.
Employed a silhouette method to enable the reconstruction of occluded portions of the scene.
Implemented a segmented frame buffer technique to handle and propagate large wave fields that do not fit into memory.

Main Results:

Successfully created a full-parallax CGH with four billion pixels (2^16 x 2^16).
The fabricated CGH reconstructs a fine, true 3D image of a scene, accurately depicting occlusions.
The system demonstrates a strong sensation of depth in the reconstructed 3D image.

Conclusions:

The proposed polygon-based and silhouette methods, combined with a segmented frame buffer, enable the creation of large-scale, full-parallax CGHs.
This technique effectively reconstructs complex 3D scenes with occlusions and provides a realistic depth perception.
The developed CGH technology represents a significant advancement in high-fidelity holographic display.