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