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Updated: May 15, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
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Realistic expression for full-parallax computer-generated holograms with the ray-tracing method.

Tsubasa Ichikawa1, Kazuhiro Yamaguchi, Yuji Sakamoto

  • 1Graduate School of Information Science and Technology, Hokkaido University, North 14 West 9, Sapporo 060-0814, Japan. ichikawa@ist.hokudai.ac.jp

Applied Optics
|January 8, 2013
PubMed
Summary

This study introduces a novel ray-tracing method for computer-generated holograms, enabling realistic rendering by effectively removing hidden surfaces and simulating complex light interactions for enhanced visual fidelity.

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Area of Science:

  • Computer Graphics
  • Optics
  • Computational Imaging

Background:

  • Traditional methods for computer-generated holograms often struggle with realistic rendering and hidden surface removal.
  • Accurate simulation of light transport phenomena like reflection and refraction is crucial for photorealistic image synthesis.

Purpose of the Study:

  • To develop a novel calculation method for computer-generated holograms.
  • To achieve realistic rendering by incorporating hidden surface removal and advanced light interaction models.

Main Methods:

  • The proposed method utilizes ray-tracing to simulate light paths from elementary holograms through virtual objects.
  • It accounts for object intersections, absorption, reflection, and refraction, including multiple reflections and refractions.

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

Published on: February 8, 2014

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Last Updated: May 15, 2026

Recording Ultra-Realistic Full-Color Analog Holograms for Use in a Moving Hologram Display
09:04

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

Published on: January 14, 2020

Digital Inline Holographic Microscopy (DIHM) of Weakly-scattering Subjects
10:16

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

Published on: February 8, 2014

  • Material properties are modeled using the Phong and Cook-Torrance reflection models.

    • Main Results:

    • Optical reconstructions demonstrated successful hidden surface removal.
    • The method accurately rendered material textures and complex optical effects.
    • Simulations showed the capability to model multiple reflections and refractions for realistic image synthesis.

    Conclusions:

    • The developed ray-tracing approach provides an effective solution for hidden surface removal in computer-generated holograms.
    • This method significantly enhances the realism of holographic rendering by accurately simulating light interactions and material properties.