Windowed Fourier ridges as a spatial carrier phase-shifting algorithm

Nimisha Agarwal; Qian Kemao

doi:10.1117/1.OE.56.8.080501

24 August 2017 Windowed Fourier ridges as a spatial carrier phase-shifting algorithm

Nimisha Agarwal, Qian Kemao

Author Affiliations +

Optical Engineering, Vol. 56, Issue 8, 080501 (August 2017). https://doi.org/10.1117/1.OE.56.8.080501

Abstract

The windowed Fourier ridges (WFR) algorithm is shown to be a phase-shifting algorithm for phase extraction from a carrier fringe pattern. However, the former only provides a phase estimation with a controllable phase error, whereas the latter pursues exact phase extraction. This link not only is interesting but also enhances the understanding of different phase extraction techniques. Advantages and disadvantages of the WFRs algorithm are discussed.

Citation Download Citation

Nimisha Agarwal and Qian Kemao "Windowed Fourier ridges as a spatial carrier phase-shifting algorithm," Optical Engineering 56(8), 080501 (24 August 2017). https://doi.org/10.1117/1.OE.56.8.080501

Received: 2 May 2017; Accepted: 1 August 2017; Published: 24 August 2017

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