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Related Experiment Video

Updated: Sep 11, 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

High-precision 3D reconstruction of multiple objects based on an adaptive phase error correction method.

Shikai Ming, Keming Zhang, Jun Yao

|August 12, 2025

Summary

This summary is machine-generated.

This study introduces an adaptive phase error correction method for fringe projection profilometry. The segmentation-correction-block (SCB) method significantly reduces phase errors in large field of view 3D measurements without extra projections.

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Area of Science:

Optics and Photonics
Computer Vision
Metrology

Background:

Fringe projection profilometry is crucial for intelligent manufacturing and cultural heritage.
Expanding measurement areas in 3D profilometry introduce environmental factors that degrade phase accuracy.
Existing methods struggle with phase errors in large field of view applications.

Purpose of the Study:

To develop an adaptive phase error correction method for large field of view 3D measurements.
To minimize phase error without requiring additional projections or pre-calibration.
To enhance the accuracy of 3D reconstruction in fringe projection profilometry.

Main Methods:

Proposed the segmentation-correction-block (SCB) method for adaptive phase error correction.
Utilized an improved Sobel operator for edge detection and segmentation to create a structural mask.
Divided the phase map into stable and unstable regions, correcting phase based on stable regions.
Employed an image block method for outlier detection and elimination using statistical information.

Main Results:

Reduced phase error by 89.6% compared to standard phase-shift algorithms in simulations.
Achieved approximately 0.3 rad accuracy improvement for large-scale object measurements.
Improved accuracy by approximately 0.03 rad for small-scale object measurements.
Demonstrated high-precision 3D reconstruction capabilities for multiple objects.

Conclusions:

The SCB method effectively corrects phase errors in large field of view fringe projection profilometry.
The approach enhances 3D measurement accuracy without additional calibration or projections.
This method offers a robust solution for high-precision 3D reconstruction in various applications.