Fig. 1. Schematic diagram of adaptive fringe projection technology

Fig. 2. Flow chart of adaptive fringe projection technology

Fig. 3. Schematic diagram of coordinate matching between projector and camera

Fig. 4. Adaptive fringe projection measurement system

Fig. 5. Schematic diagram of synthetic image process

Fig. 6. Contrast map of fringe projection effect. (a) Conventional method; (b) adaptive fringe projection method

Fig. 7. Flow chart of heterodyne multi-frequency phase-shift method

Fig. 8. Partial phase unwrapping

Fig. 9. Comparison of three-dimensional reconstruction effect. (a) Conventional method; (b) adaptive fringe projection method

Fig. 10. Three-dimensional point cloud depth map. (a) Conventional method; (b) adaptive fringe projection method