Fig. 1. Principle of phase shift method

Fig. 2. Schematic diagram of binary fringe coding

Fig. 3. Schematic diagram of single cycle image processing

Fig. 4. Principle of wrapped phase solution. (a) Binary coded images used to generate first sinusoidal image; (b) sinusoidal and planar images generated from Fig. 4(a); (c) sinusoidal and planar images generated from Fig. 4(d); (d) binary coded images used to generate second sinusoidal image; (e) wrapped phase image; (f) section curve of wrapped phase

Fig. 5. Sinusoidal fringe images. (a) Projected sinusoidal fringe image; (b) sinusoidal fringe image generated by proposed method

Fig. 6. Reconstructed point cloud data. (a) Distance measurement; (b) measurement near focal plane; (c) close measurement

Fig. 7. Reconstruction results of standard ball. (a) Distance measurement; (b) measurement near focal plane; (c) close measurement

Fig. 8. Fitting results of sphere. (a) Fitted sphere; (b) depth distribution

Fig. 9. Experimental reconstruction results of calibration plate

Fig. 10. Reconstruction results of plaster head. (a) Overall results; (b) local magnification results