Three-dimensional scanning and digital fringe-projection technology
Provide students with theoretical concepts, computational algorithms, optical setups, and system calibration methods for three-dimensional surface scanning by non-contact digital fringe projection technology.
- Introduction
- 1.1 Structured illumination and digital fringe projection
- 1.2 Location of points in space
- 1.3 Camera models
- 1.4 Projector models and grating design
- 1.5 Gratings and fringe patterns
- Fringe patterns and phase demodulation
- 2.1 Intensity pattern normalization
- 2.2 Amplitude bias and correction
- 2.3 Phase carriers and wrapped phase extraction
- 2.4 Phase-shifting methods
- 2.5 Fourier fringe analysis
- 2.6 Phase-unwrapping
- Calibration methods
- 3.1 Camera calibration
- 3.2 Calibration of fringe-projection systems
- 3.3 Performance
- 3.4 Spatial dynamic range and resolution
- Applications
- 4.1 Applied phase demodulation for profilometry applications
- 4.2 Static scanning of three-dimensional surfaces
- 4.3 Dynamic scanning of three-dimensional surfaces
- 4.4 Digital three-dimensional facial imaging
Bibliography
[1] J. Geng, “Structured-light 3D surface imaging: a tutorial” Adv. Opt. Photon. 3(2), 128-160, 2011.
[2] R. Juarez-Salazar and V. H. Diaz-Ramirez, "Operator-based homogeneous coordinates: application in camera document scanning" Opt. Eng., 56(7), 070801, 2017.
[3] R. Juarez-Salazar et al, "How do phase-shifting algorithms work?" Eur. J. Phys. 39(6), 065302, 2018.