Fei Liu, Chunqiao He, Aimin Shen, Jiaxin Li, Junlin Lai. Optimized Compensation Method of Divisional Projection for Saturated Region of Structured Light[J]. Acta Optica Sinica, 2018, 38(6): 0612001
- Acta Optica Sinica
- Vol. 38, Issue 6, 0612001 (2018)
Fig. 1. Schematic of 3D reconstruction based on phase shifting structured light
Fig. 2. (a) Luminance saturated region image; (b) projection fringe pattern; (c) intensity of fringe pattern in saturated region; (d) 3D reconstruction of surface defect
Fig. 3. (a)~(g) Gray code grayscales; (h) diagram of normal decoding
Fig. 4. Schematic of the smallest ellipse surrounding the saturated region
Fig. 5. (a) Compensation grayscale of saturated region; (b) fringe pattern after compensation and Gamma correction; (c) pattern intensity after compensation
Fig. 6. Experimental platform
Fig. 7. (a) Coding projection of the projector regions; (b) decoding map and saturated region; (c) uncompensated saturated region fringe pattern; (d) saturated region fringe pattern compensated by AFPP method; (e) saturated region fringe pattern compensated by proposed method
Fig. 8. Intensity of three fringe patterns in saturated region
Fig. 9. (a) 3D reconstruction of uncompensated fringe pattern; (b) 3D reconstruction of the fringe pattern compensated by AFPP method; (c) 3D reconstruction of the fringe pattern compensated by proposed method; figure (d), (e) and (f) is the partial enlargement images of figure (a), (b) and (c)
Fig. 10. (a) Uncompensated surface deviation analysis; (b) surface deviation analysis compensated by AFPP method; (c) surface deviation analysis compensated by proposed method
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Table 1. Statistics of 3D reconstruction deviationmm
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