Fig. 1. Model of structured light measurement system

Fig. 2. Camera response curve

Fig. 3. Selection of datum exposure time

Fig. 4. Flow chart of exposure time calculation

Fig. 5. Schematic of image fusion

Fig. 6. Picture of stainless steel blade

Fig. 7. Calculated camera response curve

Fig. 8. Calculated irradiance of detected object. (a) Distribution diagram of camera irradiance; (b) histogram of irradiance value

Fig. 9. Images acquired at different exposure time. (a)-(f) Manual exposure; (g)-(l) automatic exposure

Fig. 10. Fused images and exposure accuracy at different exposure methods. (a)-(b) Manual exposure; (c)-(d) automatic exposure

Fig. 11. Reconstruction of different parts using the proposed method. (a)-(c) Aluminum alloy plate; (d)-(f) 3D printed iron plate