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Related Experiment Video

Updated: Aug 26, 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

Time-overlapping structured-light projection: high performance on 3D shape measurement for complex dynamic scenes.

Zhoujie Wu, Wenbo Guo, Qican Zhang

|October 13, 2022

Summary

This summary is machine-generated.

This study introduces a novel time-overlapping structured-light 3D shape measurement technique for high-speed analysis of dynamic scenes. The method achieves rapid, accurate 3D reconstructions, capturing complex transient events efficiently.

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Last Updated: Aug 26, 2025

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

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Published on: December 3, 2013

Determining 3D Flow Fields via Multi-camera Light Field Imaging

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Published on: March 6, 2013

A Protocol for Real-time 3D Single Particle Tracking

A Protocol for Real-time 3D Single Particle Tracking

Published on: January 3, 2018

Area of Science:

Optics and Photonics
Computer Vision
Mechanical Engineering

Background:

Dynamic scene analysis requires high-speed 3D shape measurement.
Existing methods face challenges in capturing transient behaviors with high accuracy and efficiency.

Purpose of the Study:

To develop a high-speed, high-performance 3D shape measurement technique for complex dynamic scenes.
To enhance measuring efficiency and accuracy using novel structured-light projection and phase unwrapping methods.

Main Methods:

Proposed a time-overlapping structured-light 3D shape measurement technique.
Utilized generalized tripartite phase unwrapping (Tri-PU) for robust measurements.
Improved overlapping rate for fringe period extension, doubling encoding fringe periods.

Main Results:

Achieved pixel-to-pixel and unambiguous 3D reconstruction updated with three patterns.
Reached a reconstruction rate of 3174 frames per second (fps).
Successfully measured complex dynamic scenes: collapsing wood blocks, falling snowflakes, and flying water balloons.

Conclusions:

The proposed time-overlapping structured-light technique enables high-speed and high-performance 3D measurement of dynamic scenes.
The method demonstrates robustness and high accuracy, suitable for various transient phenomena.
The technique significantly advances the capabilities for analyzing rapid, complex physical interactions in 3D.