Fig. 1. Two simulated phase shifting fringe patterns

Fig. 2. Simulation results. (a) Phase shifts obtained by proposed method; (b) error of proposed method; (c) phase shifts obtained by TGS algorithm; (d) error of TGS algorithm; (e) error of proposed method, TEE algorithm and TGS algorithm while the phase shift is 0.6 rad; (f) RMSE of proposed method, TEE algorithm and TGS algorithm while the phase shift range is 0.1-1.1 rad

Fig. 3. Two real fringe patterns

Fig. 4. Reference wrapped phase obtained by AIA

Fig. 5. Reconstructed wrapped phases obtained by (a) GS method, (b) TEE method, (c) proposed method