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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 13 — Jun. 25, 2007
  • pp: 8059–8064

Robust phase unwrapping by spinning iteration

Shi Yuqing  »View Author Affiliations


Optics Express, Vol. 15, Issue 13, pp. 8059-8064 (2007)
http://dx.doi.org/10.1364/OE.15.008059


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Abstract

This work describes a rapid-phase unwrapping algorithm that combines the rapidity and simplicity of a path-dependent algorithm and the robustness of a path-independent algorithm by rotating the phase map or the unwrapping direction 90° after a scan in one direction. It offers a solution for noise-contaminated phase data, which includes artifacts, complex-shaped borders, or regions of holes. The algorithm can be used in real-time processing. In addition, a phase-dislocation masking method is presented that can be used to detect and clean inconsistent data and improve the rms values of signal-to-noise ratio in unwrapped phase maps.

© 2007 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.5070) Image processing : Phase retrieval

ToC Category:
Image Processing

History
Original Manuscript: March 30, 2007
Revised Manuscript: May 9, 2007
Manuscript Accepted: May 14, 2007
Published: June 13, 2007

Virtual Issues
Vol. 2, Iss. 7 Virtual Journal for Biomedical Optics

Citation
Shi Yuqing, "Robust phase unwrapping by spinning iteration," Opt. Express 15, 8059-8064 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-13-8059


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References

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