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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 14, Iss. 2 — Jun. 25, 2010
  • pp: 131–136

Noise-robust Phase Gradient Retrieval Formulation for Phase-shifting Interferometry

Dae-Seo Park, Beom-Hoan O, Se-Geun Park, El-Hang Lee, Jae-Hyun Park, and Seung-Gol Lee  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 14, Issue 2, pp. 131-136 (2010)


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Abstract

Modification of the phase gradient formulation is proposed in order to make phase retrieval less susceptible to noise. The modified formulation is derived from separation of the phase terms and the intensity modulation terms of interferograms, and subsequent differentiation to reduce the noise-induced error of the phase gradient vector. Its performance is evaluated and compared to that of the conventional formulation, and noise-robust nature is confirmed.

© 2010 Optical Society of Korea

OCIS Codes
(100.2650) Image processing : Fringe analysis
(100.5070) Image processing : Phase retrieval
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.5050) Instrumentation, measurement, and metrology : Phase measurement

History
Original Manuscript: January 4, 2010
Revised Manuscript: March 31, 2010
Manuscript Accepted: April 5, 2010
Published: June 25, 2010

Citation
Dae-Seo Park, Beom-Hoan O, Se-Geun Park, El-Hang Lee, Jae-Hyun Park, and Seung-Gol Lee, "Noise-robust Phase Gradient Retrieval Formulation for Phase-shifting Interferometry," J. Opt. Soc. Korea 14, 131-136 (2010)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-14-2-131


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