Fig. 1. Captured fringe intensity distribution. (a) Unsaturated fringe pattern; (b) saturated fringe pattern

Fig. 2. Grating fringe patterns with different intensity amplitudes

Fig. 3. Gray distribution curves of a line of fringe patterns with different intensity amplitudes

Fig. 4. Unwrapped phase values of a line with different fringes

Fig. 5. Grating fringe patterns with different intensity amplitudes when signal-to-noise ratio is 30 dB

Fig. 6. Unwrapping phase error curves with different intensity amplitudes and signal-to-noise ratios. (a)-(d) Signal-to-noise ratios are 25, 30, 35, and 40 dB, respectively

Fig. 7. Standard deviation curves of phase error with different signal-to-noise ratios and fringe amplitudes

Fig. 8. Experimental system

Fig. 9. Fringe patterns with different amplitudes obtained from experiments

Fig. 10. Unwrapped phases of different fringe amplitudes at f = 4

Fig. 11. Phase error curves of different fringe amplitudes

Fig. 12. Phase error curves excluding intensity amplitude of 255

Fig. 13. Standard deviation curve of phase error with different projection fringe amplitudes

Fig. 14. Measured object with high dynamic range

Fig. 15. Captured fringe patterns with different intensity amplitudes of projected fringe. (a) I_max=200; (b) I_max=250

Fig. 16. 3D point cloud of measured object surface. (a) When projecting low amplitude fringes; (b) when projecting high amplitude fringes; (c) fused measurements