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Related Experiment Video

Updated: May 29, 2026

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

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

Published on: December 3, 2013

Holographic video at 40 frames per second for 4-million object points.

Peter Tsang¹, W-K Cheung, T-C Poon

¹Department of Electronic Engineering, City University of Hong Kong, Hong Kong. eewmtsan@cityu.edu.hk

|September 22, 2011

Summary

This summary is machine-generated.

We developed a fast digital Fresnel hologram generation method using an interpolated wavefront-recording plane (IWRP). This technique achieves high-speed hologram creation, enabling real-time applications.

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Published on: December 3, 2013

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

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Published on: February 8, 2014

Area of Science:

Optics and Photonics
Computational Imaging
Digital Holography

Background:

Digital Fresnel holography is crucial for 3D imaging and display.
Existing methods for hologram generation can be computationally intensive, limiting real-time applications.

Purpose of the Study:

To propose a novel, fast method for generating digital Fresnel holograms.
To enhance the efficiency of hologram computation for complex scenes.

Main Methods:

The proposed method utilizes an interpolated wavefront-recording plane (IWRP) approach.
A virtual IWRP is computationally derived and then expanded into a Fresnel hologram using fast Fourier transform (FFT) processes.
Graphic processing units (GPUs) are employed to accelerate the FFT computations.

Main Results:

The method successfully generates high-resolution (2048 x 2048) Fresnel holograms.
Holograms are created for scenes with approximately 4 × 10^6 object points.
The generation rate exceeds 40 frames per second, demonstrating state-of-the-art performance.

Conclusions:

The interpolated wavefront-recording plane (IWRP) method offers a significant speed improvement for digital Fresnel hologram generation.
This fast computational approach enables practical real-time holographic applications.