Fig. 1. Flowchart of the RSMM unwrapping algorithm

Fig. 2. Diagram of phase segmentation （white represents the selected area）

Fig. 3. Diagram of determining the relation between adjacent areas

Fig. 4. Noised wrapped phase of peaks

Fig. 5. Extracted boundaries

Fig. 6. Residual error map of unwrapped phase with RSMM algorithm

Fig. 7. Calculation times of three algorithms with respect to the fringe number

Fig. 8. Calculation times of three algorithms with respect to the phase map size

Fig. 9. The wrapping phase with data dropout

Fig. 10. Unwrapped phase with data dropout

Fig. 11. Wrapped phase of the turned surface

Fig. 12. Phase unwrapped of the turned surface

Fig. 13. Wrapped phase of the standard step

Fig. 14. Phase unwrapped of the standard step with RSMM algorithm

Fig. 15. Wrapped phase of the mirror

Fig. 16. Phase unwrapped of the mirror