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Related Experiment Video

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

Scalable hologram video coding for adaptive transmitting service.

Young-Ho Seo1, Yoon-Hyuk Lee, Ji-Sang Yoo

  • 1College of Liberal Arts, Kwangwoon University, 447-1, Wolgye-1Dong, Nowon-Gu, Seoul 139-701, South Korea.

Applied Optics
|January 8, 2013
PubMed
Summary
This summary is machine-generated.

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Aliasing01:18

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Accurate signal sampling and reconstruction are crucial in various signal-processing applications. A time-domain signal's spectrum can be revealed using its Fourier transform. When this signal is sampled at a specific frequency, it results in multiple scaled replicas of the original spectrum in the frequency domain. The spacing of these replicas is determined by the sampling frequency.
If the sampling frequency is below the Nyquist rate, these replicas overlap, preventing the original signal...

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This study introduces two scalable coding schemes for adaptive digital holographic video services. These techniques enable dynamic adjustment of holographic content for diverse display and network conditions.

Area of Science:

  • Computer Science
  • Holography
  • Video Processing

Background:

  • Digital holographic video services require adaptive processing for diverse reconstruction environments.
  • Existing methods lack efficient scalability for varying display resolutions, computational capabilities, and network bandwidths.

Purpose of the Study:

  • To propose and evaluate novel scalable coding schemes for adaptive digital holographic video services.
  • To enable flexible content delivery tailored to receiver-side constraints and network conditions.

Main Methods:

  • Development of two scalable coding schemes: hologram-based resolution-scalable coding (HRS) and light source-based signal-to-noise ratio scalable coding (LSS).
  • HRS employs lossy compression for acquired holograms, offering eight stages with compression ratios from 1:1 to 100:1.

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Characterization of Anisotropic Leaky Mode Modulators for Holovideo
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Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

Related Experiment Videos

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

Characterization of Anisotropic Leaky Mode Modulators for Holovideo
09:36

Characterization of Anisotropic Leaky Mode Modulators for Holovideo

Published on: March 19, 2016

  • LSS uses lossless coding for light source information before hologram generation, providing four and 16 layers of scalability.

    • Main Results:

    • Experimental validation demonstrated the effectiveness of both HRS and LSS schemes.
    • The proposed techniques allow for adaptive servicing of digital hologram videos across various displays and networks.
    • Scalable coding achieved significant data compression while maintaining essential information.

    Conclusions:

    • The developed scalable coding schemes (HRS and LSS) effectively address the challenges of adaptive digital holographic video delivery.
    • These methods facilitate efficient and flexible transmission of holographic content, optimizing user experience across heterogeneous environments.