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Related Experiment Video

Updated: Oct 12, 2025

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

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High-speed structured light based 3D scanning using an event camera.

Xueyan Huang, Yueyi Zhang, Zhiwei Xiong

|November 23, 2021

Summary

This summary is machine-generated.

This study introduces an event-based 3D scanning system using an event camera and a digital light projector. The system achieves high-speed 3D surface reconstruction at 1000 fps with 0.27 mm accuracy.

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Area of Science:

Computer Vision
Robotics
3D Imaging

Background:

Structured light systems face trade-offs between scan speed and accuracy due to sensor bandwidth limitations.
Event cameras offer high temporal resolution and data efficiency, making them suitable for high-speed applications.

Purpose of the Study:

To develop and validate an event-based structured light system for high-speed 3D scanning.
To overcome the speed-accuracy limitations of traditional structured light systems.

Main Methods:

Utilized a CeleX-V event camera and a TI-DLP6500 digital light projector.
Developed an algorithm to generate event frames from event streams for processing.
Employed digital image correlation to calculate displacements and reconstruct 3D surfaces.

Main Results:

Achieved a scan rate of up to 1000 frames per second (fps).
Demonstrated an accuracy of 0.27 mm at a distance of 90 cm.
Successfully tested the system in both static and dynamic scenes.

Conclusions:

The proposed event-based structured light system enables high-speed 3D scanning with high accuracy.
This approach overcomes traditional bandwidth limitations, opening new possibilities for dynamic 3D reconstruction.