Zhijun Zhang, Qingyang Wu, Yifan Jiang, Yifeng Deng. [J]. Laser & Optoelectronics Progress, 2023, 60(8): 0811017
- Laser & Optoelectronics Progress
- Vol. 60, Issue 8, 0811017 (2023)
Fig. 1. The LFC system records the light ray
Fig. 2. Ray model of light field. (a) Spatial point determined by ray intersection; (b) schematic of sub-pixel ray equation
Fig. 3. Schematic of virtual continuous phase search. (a) Schematic of the sampling in different subview; (b) visibility of the left subview; (c) visibility of the right subview; (d) visibility using virtual continuous phase search
Fig. 4. Experimental system architecture
Fig. 5. Error analysis of phase and ray calibration. (a) Actual observed absolute phase and corresponding ideal absolute phase; (b) one set of the recorded 3D points along with the corresponding fitted ray
Fig. 6. Experimental scene 1. (a) Left-view point cloud; (b) front-view point cloud; (c) right-view point cloud; (d) original image
Fig. 7. Experimental scene 2. (a) Measured object of dental impression; (b) result of phase-height mapping method; (c) result of the proposed method
Fig. 8. Experimental scene 3. (a) Measured spheres; (b) point cloud deviation map
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