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Updated: May 31, 2026
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
Published on: December 3, 2013
Dynamic three-dimensional sensing for specular surface with monoscopic fringe reflectometry
Lei Huang1, Chi Seng Ng, Anand Krishna Asundi
1School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore 639798, Singapore. huanglei0114@gmail.com
Optics Express
|July 1, 2011
Summary
This study presents a simple 3D surface sensing method using fringe reflection and a single cross grating. The technique accurately measures dynamic surface changes, demonstrated by capturing water wave variations.
Area of Science:
- Optics and Photonics
- Metrology
- Fluid Dynamics
Background:
- Specular reflective surfaces pose challenges for 3D shape measurement.
- Traditional methods often require complex setups or multiple measurements.
Purpose of the Study:
- To develop a simplified, dynamic full-field 3D sensing technique for specular surfaces.
- To demonstrate the feasibility of fringe reflection with advanced fringe demodulation for surface reconstruction.
Main Methods:
- Utilized a monoscopic fringe reflectometric system.
- Employed the windowed Fourier ridges method for fringe demodulation.
- Reconstructed 3D surface shape changes using a single cross grating and calibration.
Main Results:
- Successfully reconstructed dynamic 3D surface profiles of specular reflective surfaces.
- Demonstrated accurate measurement of water wave variations.
- Validated the effectiveness of the proposed simplified system.
Conclusions:
- The proposed fringe reflection technique offers a convenient and effective method for dynamic 3D sensing of specular surfaces.
- The combination of a monoscopic system and advanced fringe demodulation simplifies the measurement setup while maintaining accuracy.
