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Updated: Jul 13, 2026
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
Published on: December 3, 2013
Blind color isolation for color-channel-based fringe pattern profilometry using digital projection.
Yingsong Hu1, Jiangtao Xi, Joe Chicharo
1School of Electrical Computer and Telecommunications Engineering, University of Wollongong, Australia. yingsong@uow.edu.au
Summary
This study introduces a blind algorithm to estimate the color demixing matrix, eliminating the need for pre-calibration images. This method effectively reduces color crosstalk and enhances measurement accuracy in phase-shifting profilometry.
Area of Science:
- Optics and Photonics
- Computer Vision
- Metrology
Background:
- Color cross talk is a significant challenge in color-channel-based phase-shifting profilometry.
- Accurate color demixing is crucial for reliable 3D surface measurements.
Purpose of the Study:
- To develop a blind algorithm for estimating the color demixing matrix.
- To improve the accuracy of color-channel-based phase-shifting profilometry.
Main Methods:
- Estimating the color demixing matrix using color fringe patterns.
- A blind approach requiring no extra calibration images.
Main Results:
- Successfully estimated the color demixing matrix.
- Significantly reduced color cross talk.
- Improved measurement accuracy in phase-shifting profilometry.
Conclusions:
- The proposed blind algorithm is effective for color demixing.
- This method enhances the performance of color-channel-based profilometry.
