Zonghua Zhang, Xiaohong Liu, Zhinan Guo, Nan Gao, Zhaozong Meng. Shape measurement of specular/diffuse complex surface based on structured light[J]. Infrared and Laser Engineering, 2020, 49(3): 0303015
- Infrared and Laser Engineering
- Vol. 49, Issue 3, 0303015 (2020)
Fig. 1. Measurement schematic diagram of complex surface based on projection and reflection of structured light
Fig. 2. Complex calibration board
Fig. 3. Geometrical analysis of parallel adjustment between LCD and reference plane
Fig. 4. Flow chart of system parameter calibration
系统参数
标定流程图
Fig. 5. Experimental system
Fig. 6. Distance between LCD at position 1 and position 2
Fig. 7. Reference fringe and phase map. (a) specular reference fringe map; (b) wrapped phase map; (c) absolute phase map; (d) processed absolute phase map
Fig. 8. Tested complex step. (a) texture map; (b) deformed complex fringe pattern; (c) absolute phase map; (d) reconstructed depth
Fig. 9. Tested isolated complex object. (a) texture map; (b) deformed complex fringe pattern; (c) absolute phase map; (d) reconstructed depth
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Table 1. Rotation matrix and corresponding Euler angle of real LCD, LCD' and reference plane
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