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Proceedings Article

Simple and effective phase unwrapping technique

[+] Author Affiliations
Yiping Xu, Chiayu Ai

WYKO Corp. (USA)

Proc. SPIE 2003, Interferometry VI: Techniques and Analysis, 254 (December 10, 1993); doi:10.1117/12.165458
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From Conference Volume 2003

  • Interferometry VI: Techniques and Analysis
  • Osuk Y. Kwon; Gordon M. Brown; Malgorzata Kujawinska
  • San Diego, CA | July 11, 1993

abstract

This paper describes a simple and effective phase unwrapping technique that prevents the propagation of errors introduced at some locations on a surface from being included in or propagating to all subsequent calculations for the remaining area of the surface. Unlike conventional phase unwrapping methods that use only the principal phase value, the proposed technique utilizes the modulation information about the fringe pattern to divide the principal phase map into regions, performs mathematical morphology operations to generate a labeled unwrapping sequence mask, and carries out multi-stage phase unwrapping procedures.

© (1993) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Yiping Xu and Chiayu Ai
"Simple and effective phase unwrapping technique", Proc. SPIE 2003, Interferometry VI: Techniques and Analysis, 254 (December 10, 1993); doi:10.1117/12.165458; http://dx.doi.org/10.1117/12.165458


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