Zhaojie Li, Haihua Cui, Changyi Liu, Xiaosheng Cheng, Xiaodi Zhang. A Shape Measurement Method Based on Automatic Multiple Exposure Surface Structured Light[J]. Acta Optica Sinica, 2018, 38(11): 1112004
- Acta Optica Sinica
- Vol. 38, Issue 11, 1112004 (2018)
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
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Table 1. Exposure time at different exposure methods
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