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