Fringe phase extraction using windowed Fourier transform guided by principal component analysis.


The windowed Fourier transform (WFT) has been recognized as an effective tool for extracting phase map from a single fringe pattern. This paper presents a new WFT-based algorithm, which is guided by the principal component analysis (PCA) of the fringe pattern. With it, the principal direction of frequency at each pixel is determined first by using the PCA… (More)
DOI: 10.1364/AO.52.006804


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