Real-time holographic camera for obtaining real 3D scene hologram

Zhao-Song Li; Chao Liu; Xiao-Wei Li; Yi Zheng; Qian Huang; Yi-Wei Zheng; Ye-Hao Hou; Chen-Liang Chang; Da-Wei Zhang; Song-Lin Zhuang; Di Wang; Qiong-Hua Wang

doi:10.1038/s41377-024-01730-9

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Real-time holographic camera for obtaining real 3D scene hologram

Original Articles

- Real-time holographic camera for obtaining real 3D scene hologram
- Real-time holographic camera for obtaining real 3D scene hologram
- LSA 2025年14卷第3期页码：789-799
- Affiliations：
  
  1.School of Instrumentation and Optoelectronic Engineering, Beihang University, Beijing 100191, China
  2.School of Optical-Electrical and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
- Author bio：
  
  Di Wang (diwang18@buaa.edu.cn)
  Qiong-Hua Wang (qionghua@buaa.edu.cn)
- Funds：
- DOI：10.1038/s41377-024-01730-9
  中图分类号：
- 收稿日期：2024-08-17，
  
  修回日期：2024-12-21，
  
  录用日期：2024-12-23，
  
  网络出版日期：2025-02-08，
  
  纸质出版日期：2025-03-31
- Accepted：
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Real-time holographic camera for obtaining real 3D scene hologram[J]. LSA, 2025,14(3):789-799.

Li, Z. S. et al. Real-time holographic camera for obtaining real 3D scene hologram. Light: Science & Applications, 14, 789-799 (2025).
Real-time holographic camera for obtaining real 3D scene hologram[J]. LSA, 2025,14(3):789-799. DOI： 10.1038/s41377-024-01730-9.

Li, Z. S. et al. Real-time holographic camera for obtaining real 3D scene hologram. Light: Science & Applications, 14, 789-799 (2025). DOI： 10.1038/s41377-024-01730-9.

摘要

Abstract

As a frontier technology

holography has important research values in fields such as bio-micrographic imaging

light field modulation and data storage. However

the real-time acquisition of 3D scenes and high-fidelity reconstruction technology has not yet made a breakthrough

which has seriously hindered the development of holography. Here

a novel holographic camera is proposed to solve the above inherent problems completely. The proposed holographic camera consists of the acquisition end and the calculation end. At the acquisition end of the holographic camera

specially configured liquid materials and liquid lens structure based on voice-coil motor-driving are used to produce the liquid camera

so that the liquid camera can quickly capture the focus stack of the real 3D scene within 15 ms. At the calculation end

a new structured focus stack network (FS-Net) is designed for hologram calculation. After training the FS-Net with the focus stack renderer and learnable Zernike phase

it enables hologram calculation within 13 ms. As the first device to achieve real-time incoherent acquisition and high-fidelity holographic reconstruction of a real 3D scene

our proposed holographic camera breaks technical bottlenecks of difficulty in acquiring the real 3D scene

low quality of the holographic reconstructed image

and incorrect defocus blur. The experimental results demonstrate the effectiveness of our holographic camera in the acquisition of focal plane information and hologram calculation of the real 3D scene. The proposed holographic camera opens up a new way for the application of holography in fields such as 3D display

light field modulation

and 3D measurement.

关键词

Keywords

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