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Related Experiment Video

Updated: Jul 12, 2025

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

A three-dimensional vision measurement method based on double-line combined structured light.

Mingze Wang¹, Qiucheng Sun², Changbo Gao¹

¹College of Computer Science and Technology, Changchun Normal University, Changchun, 130032, China.

Scientific Reports

|November 1, 2023

Summary

This summary is machine-generated.

This study introduces a novel structured light vision method for precise 3D object reconstruction. The technique uses a scanning laser plane and a positioning laser plane for accurate surface shape measurement.

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Area of Science:

Optics and Photonics
Computer Vision
Metrology

Background:

Structured light vision is crucial for 3D reconstruction.
Existing methods often require complex calibration and movement control.
Real-time adaptation is needed for dynamic measurement scenarios.

Purpose of the Study:

To propose a novel structured light vision measurement method.
To enable precise 3D reconstruction with real-time calibration.
To overcome limitations of scanning direction and step determination.

Main Methods:

A scanning laser plane slides along a rail, maintaining intersection with a positioning laser plane.
Real-time calibration is achieved using geometric barycenter and projection methods.
Laser plane equations are recalibrated dynamically for each new position.

Main Results:

The method successfully performs 3D reconstruction of objects.
Accuracy was verified through measurements on gauge blocks.
Precise and stable 3D reconstruction of object surface shape was demonstrated.

Conclusions:

The proposed structured light vision method offers accurate and stable 3D surface reconstruction.
Real-time calibration enhances measurement efficiency and precision.
This technique provides a robust solution for object shape measurement.