Fig. 1. Schematic diagram of PMP method

Fig. 2. Schematic diagram of traditional calibration method

Fig. 3. Schematic diagram of new calibration method

Fig. 4. Circle marker. (a) Circle center; (b) Partial enlargement of the figure (a)

Fig. 5. Schematic of the proposed method

Fig. 6. Measurement with the traditional method. (a) The deformed fringe pattern modulated by the block; (b) Part of a deformed fringe pattern; (c) The continuous phase value; (d) 3D point cloud data of a block

Fig. 7. Measurement with the proposed method. (a) The calibration system; (b) 3D point cloud data of a block

Fig. 8. Measurement data of the sphere. (a) Measured sphere; (b) The deformed fringe pattern modulated by the sphere; (c) Continuous phase distribution

Fig. 9. Reconstruction results of the sphere. (a) 3D shape by the traditional method; (b) 3D shape by the proposed method

Fig. 10. The part of cutaway view for a column

Fig. 11. Reconstruction results of the sphere. (a) Captured deformed pattern; (b) Reconstructed 3D shape