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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 21 — Nov. 1, 2007
  • pp: 3119–3121

Automatic phase unwrapping algorithm for reconstruction of three-dimensional objects

Hong Zhang, Hongjun Su, and Xian-yu Su  »View Author Affiliations


Optics Letters, Vol. 32, Issue 21, pp. 3119-3121 (2007)
http://dx.doi.org/10.1364/OL.32.003119


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Abstract

Phase unwrapping plays a very important role in noncontact optical profilometries and interforometric techniques. This phase unwrapping process is often hindered by the presence of noise, spots of low-intensity modulation, and the instability of the solutions. We present a systematic approach to the problem by formulating the phase solving and unwrapping as an ill-posed problem. By using the regularization method and taking intensity modulation into consideration, we will be able to provide a unified view to address various challenges in the problem. A new fully automated algorithm for phase unwrapping based on this approach is also presented.

© 2007 Optical Society of America

OCIS Codes
(000.3870) General : Mathematics
(100.2000) Image processing : Digital image processing
(100.5070) Image processing : Phase retrieval
(120.2650) Instrumentation, measurement, and metrology : Fringe analysis
(120.3180) Instrumentation, measurement, and metrology : Interferometry
(350.5030) Other areas of optics : Phase

ToC Category:
Image Processing

History
Original Manuscript: April 9, 2007
Revised Manuscript: September 21, 2007
Manuscript Accepted: September 26, 2007
Published: October 19, 2007

Citation
Hong Zhang, Hongjun Su, and Xian-yu Su, "Automatic phase unwrapping algorithm for reconstruction of three-dimensional objects," Opt. Lett. 32, 3119-3121 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-21-3119

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